43,990 Verified System Administrator Jobs (September 2026)

Browse system administrator jobs covering server maintenance, user access, network support, cloud administration, backups, patching, and help desk escalation work. Listings may include remote, hybrid, and on-site roles across Windows, Linux, Microsoft 365, Active Directory, virtualization, and security-focused administration. Create an account to explore the full job feed and auto-apply with LiftmyCV AI Agent.

Live Status:
Sep 2, 2026
43,990+ Active Roles
Updated Daily
Delaware Nation Industries

Windows System Administrator

On-site
Delaware Nation IndustriesDahlgren, Virginia, United States

Delaware Nation Industries is seeking a Windows System Administrator – Senior to provide advanced systems administration and operations support for the Air Force Joint Worldwide Intelligence Communications System/Joint Interoperability Test and Services mission. This position will maintain secure, reliable, and highly available Windows infrastructure across classified and unclassified environments supporting mission-critical operations. The Senior Windows System Administrator will serve as a technical authority for Windows Server, Active Directory, Group Policy, enterprise software, virtualization, patching, configuration management, and system security. The position requires independent judgment, strong troubleshooting skills, and the ability to coordinate technical solutions across Windows, Linux, cybersecurity, network, storage, application, and Government teams. Responsibilities Administer, configure, monitor, maintain, and troubleshoot Windows servers, workstations, applications, and related computing environments. Perform Windows Server lifecycle administration, including system builds, provisioning, upgrades, patching, software deployment, configuration, backup, restoration, and decommissioning. Manage Active Directory, Group Policy, DNS, DHCP, user accounts, permissions, groups, certificates, and other core enterprise services. Support systems operating across classified and unclassified networks, including compartmented, segmented, and mission-essential environments. Administer and troubleshoot VMware or comparable virtualized infrastructure, including virtual machines, templates, virtual networking, and storage dependencies. Monitor system health, availability, capacity, performance, and security posture; analyze trends and recommend improvements. Analyze complex hardware, software, operating system, application, virtualization, storage, and network issues; conduct root-cause analysis and implement durable solutions. Apply DISA STIGs, IAVAs, security baselines, patch requirements, and other applicable DoD cybersecurity controls. Support vulnerability scanning, remediation, compliance validation, and reporting using tools such as ACAS/Nessus, HBSS, and related security platforms. Support Microsoft Endpoint Configuration Manager/SCCM or comparable configuration-management and software-deployment capabilities. Maintain system backups, recovery procedures, configuration records, inventories, standard operating procedures, and technical documentation. Support enterprise software, web services, identity services, storage, networking, cloud, containerized, and remote-access environments as assigned. Coordinate with cybersecurity, Linux, network, storage, application, service desk, vendor, and Government personnel to resolve incidents and maintain continuity of operations. Document incidents, changes, troubleshooting actions, and resolutions in the designated IT service-management or configuration-management system. Participate in system integration, testing, exercises, planned maintenance, technical interchange meetings, and after-hours or on-call support as required. Provide technical leadership, mentoring, cross-training, and knowledge transfer to other system administrators.

Posted 1 week ago

ISHIR

Linux Systems Administrator

On-site
ISHIRKilleen, TX

Linux Systems Administrator Job Type: Full-Time Location: Killeen, Texas Department: Systems Support Job Summary We are looking for an experienced Linux Systems Administrator to administer, monitor, secure, and maintain enterprise Linux environments. The ideal candidate will have strong hands-on experience with RHEL, Ubuntu, and CentOS , along with familiarity with Windows Server, VMware, and containerized environments such as OpenShift and Kubernetes. This role will provide Tier 2/3 technical support, troubleshoot complex infrastructure issues, support enterprise applications, and collaborate closely with development, DevOps, and security teams. Key Responsibilities Administer, monitor, maintain, and troubleshoot Linux systems , including RHEL, Ubuntu, and CentOS. Install, configure, secure, and optimize Linux services such as systemd, SSH, Apache/Nginx, cron , and related services. Perform Linux system upgrades, patching, configuration, and security hardening. Provide Tier 2/3 support for escalated server and infrastructure issues. Identify, research, and implement Linux and OpenShift solutions and applications. Support and troubleshoot enterprise applications and their underlying server environments. Manage Linux security administration in collaboration with information security teams. Monitor system health, performance, availability, and capacity, and proactively address potential issues. Collaborate with development, DevOps, infrastructure, and security teams to support application and infrastructure requirements. Provide technical guidance and support to IT teams on Linux configuration and administration. Maintain awareness of Linux and OpenShift updates, changes, and new releases, and communicate relevant changes to stakeholders. Work with vendors and internal teams to resolve technical issues and support applications and infrastructure. Create and maintain accurate technical documentation, processes, and standard operating procedures. Participate in a weekly on-call rotation to respond to after-hours infrastructure issues. Travel to other data centers or company locations as required. Perform other duties and assignments as needed. Windows Server Virtualization Provide administration and support for Windows Server environments and related services. Working knowledge of Active Directory, Group Policy, DNS, DHCP, and PowerShell . Administer VMware vSphere/ESXi environments, including: Virtual machine deployment Resource management VM administration Snapshots Basic troubleshooting OpenShift Containerization Support and administer OpenShift/Kubernetes environments. Install, configure, maintain, upgrade, monitor, and troubleshoot OpenShift/Kubernetes clusters. Support containerized applications using OpenShift, Kubernetes, or Docker . Stay current with developments, updates, and best practices in container orchestration technologies. Security Compliance Ensure compliance with security standards, patching schedules, and organizational policies. Apply security hardening practices to Linux and server environments. Understand common web application and infrastructure vulnerabilities , risks, and appropriate countermeasures. Work closely with security teams to identify and remediate security issues. Maintain confidentiality of sensitive customer, business, and internal information. Required Qualifications Skills Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or a related field preferred. Equivalent relevant experience may be considered. Strong hands-on experience administering Linux servers , preferably RHEL, Ubuntu, and/or CentOS. Strong troubleshooting and analytical skills with the ability to independently research and resolve complex technical issues. Experience with Linux system administration, configuration, patching, and security. Knowledge of Windows Server administration and core services. Familiarity with VMware vSphere/ESXi. Knowledge of web/application server technologies such as Apache and Nginx. Understanding of server and web application security principles. Ability to manage multiple priorities and meet project deadlines. Strong written and verbal communication skills. Ability to collaborate effectively with technical and non-technical stakeholders. Ability to work independently as well as part of a broader IT team. Willingness to participate in an on-call rotation. Preferred Qualifications Experience with OpenShift, Kubernetes, and/or Docker . Experience installing, configuring, upgrading, monitoring, and troubleshooting OpenShift/Kubernetes clusters. Familiarity with CI/CD pipelines, Git, and DevOps practices . Experience with Infrastructure as Code (IaC) tools such as Terraform and Ansible . Experience with monitoring and logging platforms such as Prometheus, Grafana, ELK, or Splunk . Familiarity with Linux security hardening and patch management. Certifications such as RHCSA, RHCE, CKA, CKAD, or OpenShift certifications are a plus. What We're Looking For We are looking for someone who is technically strong, security-conscious, and comfortable working across Linux infrastructure, virtualization, and modern containerized environments. The ideal candidate should be proactive, capable of handling complex production issues, and able to collaborate effectively across IT, DevOps, development, and security teams. About ISHIR ISHIR is a digital innovation and enterprise AI services provider. We work with startups and enterprises to shape the future through accelerated innovation, deep technical expertise, access to global digital talent and a passion for complex problem-solving. With our help, our clients overcome their most difficult digital challenges leveraging AI. We are not just consultants, we are partners in our clients’ success, assisting them with re(gaining) competitive edge by identifying opportunities for differentiation, industry disruption, scalable innovation, and go-to-market strategies that deliver successful outcomes. At ISHIR, we help bold businesses accelerate innovation through Talent, Speed-to-Market, and AI. We help make an impact by solving real problems using innovation, improved customer experiences and the right technologies. As an ISHIR employee, you will get the advanced training you need to be successful, and the opportunity to apply it. You must be passionate about technology, crave responsibility, and be eager to apply your knowledge to real business solutions for our startup and enterprise customers. These are the qualities of a person destined for success at ISHIR. ISHIR attracts a special type of individual—someone who is proactive, thrives on challenges, feeds off success, and looks at moving targets not as obstacles but as opportunities. ISHIR is an exciting place to work. It is imbued with an entrepreneurial spirit and promotes self-reliance, open communication, and collaboration.

Posted today

STACK IT Recruitment

Linux Systems Administrator

On-site
STACK IT RecruitmentVaughan, Ontario, Canada

Our client, a rapidly growing healthcare technology company supporting clinics across Canada and the U.S., is seeking a Linux Systems Administrator to help strengthen and scale their IT operations. In this role, you’ll take ownership of hybrid infrastructure spanning on-prem and cloud environments, ensuring performance, reliability, and automation at every level. From virtualization and networking to CI/CD and system monitoring, you’ll play a key role in maintaining a secure, high-availability environment that supports critical business systems. 💻 Who You Are You’re a versatile IT professional who thrives in complex environments and enjoys building resilient systems through automation. You bring a balance of hands-on technical skills, structured problem-solving, and a forward-thinking mindset. You’re comfortable managing both legacy and modernized platforms, ensuring infrastructure runs smoothly, efficiently, and securely. 📍 Work Type Fully Onsite – 5 days a week in office Location: Vaughan, ON Vacancy Type: This is a newly created position

Posted 1 day ago

NI

Linux System Administrator

On-site
Nightwing Intelligence Solutions, LLCArlington, VA

Nwis is seeking a Linux System Administrator to support the design, development, and deployment of advanced cybersecurity capabilities. The role involves responding to cyber-attacks, performing investigations, and ensuring business continuity. Key responsibilities include configuration management across various operating systems, ongoing systems administration, and troubleshooting services, along with the implementation of new technologies. Candidates must hold U.S. citizenship and have an active DoD Secret clearance, as well as relevant experience in Linux systems and additional operating systems.

Posted 1 week ago

CORP-Corporate Office

Linux Systems Administrator

On-site
CORP-Corporate OfficeUnited States-California-Redondo Beach

Northrop Grumman is seeking a Linux Systems Administrator to join its team in Redondo Beach, CA. The role involves system administration for Army Air Defense Systems, focusing on Linux-based systems in various environments. Ideal candidates should have a strong understanding of Linux, experience with system configuration, and the ability to work collaboratively. The position offers a competitive salary and various benefits.

Posted 1 week ago

Ubisoft

Linux Systems Administrator

On-site
UbisoftBucharest, Romania

Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six, to Just Dance and more. We believe diverse perspectives help both players and teams thrive. If you’re passionate about innovation and pushing entertainment boundaries, join our journey and help us create the unknown! The IT Live Games team from Ubisoft Bucharest is looking for a Linux Administrator to join a team of 5 System Administrators distributed between France and Romania. In this role you will manage and optimize Linux systems while designing, securing, and scaling modern cloud infrastructure that powers our live gaming ecosystem. What you'll do Be in charge of the Linux systems, including tasks such as installations, maintenance, upgrades, system performance and application patching. Contribute to the design and maintenance of future and current infrastructure, Develop and deploy solutions in Public Cloud (AWS, GCP) / Private Cloud (OpenStack), Apply security best practices, deploy and maintain databases, write documentation and standard operating procedures. Monitor system events to ensure availability and good service quality. Participate in the on-call rotation. Advanced troubleshooting, diagnosis, and problem resolution (infrastructure / network / systems / logs / metrics), Cultivate a strong relationship with development teams and partners alike, Implement CI/CD pipelines according to DevOps best practices, Technologies you will be exposed to (experience on these technologies is appreciated): Infrastructure as Code/Configuration management: Terraform, Chef, Ansible… Private and public Cloud: AWS, GCP, OpenStack, Containerization: Kubernetes and Docker Understanding of networking concepts and protocols, and troubleshooting expertise in this context CI/CD: Argo CD, Gitlab CI, Jenkins Security: Vault, Azure Ad The professional value you bring: A first experience working as a System Administrator/ DevOps Deep knowledge of GNU/LINUX system administration Experience maintaining customer-facing production environments Experience working across multiple regions remotely with colleagues and development teams Excellent knowledge of Linux operating systems with experience in administering critical systems – performance and high availability, Experience with source control tools such as Git, and good knowledge of source control management concepts such as branching, merging, integration, and versioning, Experience with scripting languages such as Bash, Ruby, and Python, Experience with infrastructure monitoring and visualization tools: Prometheus, Zabbix, Grafana, Kibana, Experience with database technologies: Redis, MySQL, MongoDB, Elasticsearch, and related concepts, Fluent in English What do we offer benefits wise? Meal tickets with value of 30 ron/day Access to private medical system and special subscription rates for family members On site medical support World Class subscription Comprehensive wellbeing program (including physical fitness, mental health, financial education and internal communities) Life insurance Ubisoft bikes, free rental Parking spaces for cars, bikes, motorbikes Video games and consoles to borrow Access to Ubisoft games via own Uplay account Bookster (borrow books for free, delivered at home or in the office) Free fruits and coffee in the office Studio offered free days, confirmed on an annual basis for different events Study leave Christmas/ Easter celebration with a special gift Partners’ discounts

Posted 1 week ago

Delaware Nation Industries

Linux System Administrator

On-site
Delaware Nation IndustriesDahlgren, Virginia, United States

Delaware Nation Industries is seeking a Linux System Administrator – Senior to provide advanced systems administration and engineering support for the Air Force Joint Worldwide Intelligence Communications System/Joint Interoperability Test and Services mission. This position will help maintain secure, resilient, and highly available Linux infrastructure across classified and unclassified environments supporting mission-critical operations. The Senior Linux System Administrator will serve as a technical authority for Linux platforms, virtualization, automation, system security, performance, and lifecycle management. The position requires the ability to independently solve complex problems, lead technical efforts, develop repeatable processes, and coordinate with Government stakeholders and other engineering disciplines. Responsibilities Administer, engineer, optimize, and maintain enterprise Linux systems and services across multiple security levels and operational environments. Install, configure, harden, patch, upgrade, and decommission Linux operating systems, applications, services, and supporting infrastructure. Support Red Hat Enterprise Linux and other approved Linux distributions, including system services, package management, storage, networking, authentication, logging, and performance tuning. Design and implement repeatable procedures for system builds, provisioning, configuration management, patching, backup, recovery, restoration, and lifecycle operations. Analyze complex system, application, hardware, virtualization, storage, and network problems; conduct root-cause analysis and implement durable corrective actions. Monitor system availability, resource utilization, capacity, performance, and security posture; identify risks and recommend improvements before they affect mission operations. Administer and troubleshoot VMware or comparable virtualized infrastructure, including virtual machines, images, templates, virtual networking, and storage dependencies. Develop and maintain scripts and automation using Bash, Python, Ansible, Puppet, or comparable tools to improve consistency, reduce manual effort, and support troubleshooting. Support DevSecOps practices, source-code or configuration repositories, automated workflows, and controlled deployment processes when applicable to the environment. Apply DISA STIGs, security baselines, vulnerability-remediation procedures, and other DoD cybersecurity requirements to Linux systems and applications. Execute or support ACAS/Nessus scans, vulnerability analysis, remediation, validation, and compliance reporting. Maintain secure system access, including accounts, roles, privileges, SSH, authentication services, certificates, keys, and least-privilege controls. Support SAN/NAS storage, NFS, iSCSI, file systems, backup infrastructure, and data-transfer services as assigned. Support authorized electronic and manual data transfers between network environments and troubleshoot transfer failures, integrity issues, and related operational problems. Participate in system integration, testing, acceptance, change control, technical interchange meetings, exercises, and mission-readiness activities. Produce and maintain system documentation, architecture diagrams, standard operating procedures, configuration records, plans of action and milestones, and technical reports. Provide technical leadership, mentoring, knowledge transfer, and cross-training to Mid-level administrators and other team members. Coordinate with cybersecurity, network, Windows, application, database, service desk, and Government teams to resolve escalated incidents and maintain continuity of operations. Participate in scheduled maintenance, planned outages, incident response, and after-hours or on-call support as required by the contract.

Posted 2 weeks ago

AeroVironment, Inc.

Linux System Administrator

On-site
AeroVironment, Inc.Herndon, VA

Worker Type Regular Job Description Are you looking for a with unique opportunity to learn and grow as a Linux System Administrator. If so, AV is looking for you to join the Cyber and Intel Division’s Operation Infrastructure Team. This team is responsible for full life-cycle management of 24x7 mission-focused infrastructure hosting tailored applications and solutions. You will be responsible for the day-to-day operations of deployed systems to include monitoring, auditing, log review, maintenance, troubleshooting, and after-hours response. You should have a strong foundation in both Linux system and network administration with a security-oriented mindset. You will assist in continually improving and growing our Network Operations Center (NOC) capability and define standard operating procedures following best practices. In the event of alerts, emergencies, or planned maintenance activities, after-hours support will occasionally be required. As such, excellent verbal and written communication skills, time-management skills, and a customer-focused mindset are required. This is an excellent opportunity to grow your depth and breadth of skills and a path toward more advanced network and solution engineering with direct mission impact Position Responsibilities: Establish Standard Operating Procedures for all NOC activities Ensure all deployed systems are operational and accessible by end-users Quickly and appropriately respond to network outages and security incidents Configure and manage NOC monitoring dashboards, alerting, and coordinated response Review and audit system logs daily Interface with customers to resolve system issues and access requests Perform system troubleshooting and escalate when appropriate Coordinate and execute system updates Thoroughly document all actions, incidents, and findings to include monthly reporting Assist with implementing automated monitoring and alerting systems Routine monitoring and integrity verification of system backup Conduct periodic vulnerability scans to ensure compliance with system specifications Provide feedback to software developers on system performance, issues, and customer experience Proactively communicate with team members and management Continually monitor trends in the IT industry for new products and security advisories to better protect deployed system capabilities Basic Qualifications (Required Skills Experience) Bachelor’s degree in information technology (or a related field) or equivalent hands-on experience 3+ years experience in Linux system administration 2+ years experience in log analysis and system auditing 2+ years experience in network administration 2+ years experience in network functional status monitoring and alerting (2 years) An active SECRET level clearance. Candidate must be willing to process for TOP SECRET clearance. A TOP SECRET clearance is required throughout the duration of this position. Security-minded approach to all engineering and administration efforts Strong communication skills, (both written and verbal) and technical documentation skills Detail-oriented and critical thinking mindset Desired Qualifications An active TOP SECRET Clearance. NOC/SOC Experience Knowledge of Splunk (Including development of searches, reports, and dashboards) Experience with Zabbix Working knowledge of Ansible and other automation toolsets Experience with Network and Host based IDS Systems Netflow analysis skills Familiar with Python and Bash scripting Experience with network analysis and troubleshooting tools (i.e., Wireshark and tcpdump) Vulnerability and compliance scanning with Nessus and other toolsets Familiarity with Virtualization Technologies such as VMware and Proxmox Experience with containerization and Docker Understanding of VPN Technologies such as IPsec or OpenVPN Understanding of SSL/TLS configurations and certificate management Willingness to support end-users to include after hours on-call support Location This position is located at 13900 Lincoln Park Dr Herndon, VA 20171. This position is full time in-office. Salary Range $80,000 to $100,000 ITAR Requirement: This position requires access to information that is subject to compliance with the International Traffic Arms Regulations (“ITAR”) and/or the Export Administration Regulations (“EAR”). In order to comply with the requirements of the ITAR and/or the EAR, applicants will be asked to provide specific documentation to verify U.S. person status under the ITAR and the EAR. A “U.S. person” according to their definition is a U.S. citizen, U.S. lawful permanent resident (green card holder), or protected individual such as a refugee, or asylee. See 22 CFR § 120.15. Some positions will require current U.S. Citizenship due to contract requirements. Benefits : AV offers an excellent benefits package including medical, dental vision, 401K with company matching, a 9/80 work schedule and a paid holiday shutdown. For more information about our company benefit offerings please visit: http://www.avinc.com/myavbenefits . We also encourage you to review our company website at http://www.avinc.com to learn more about us. Principals only need apply. NO agencies please. Who We Are Based in California, AeroVironment (AVAV) is a global leader in unmanned aircraft systems (UAS) and tactical missile systems. Founded in 1971 by celebrated physicist and engineer, Dr. Paul MacCready, we’ve been at the leading edge of technical innovation for more than 45 years. Be a part of the team that developed the world’s most widely used military drones and created the first submarine-launched reconnaissance drone, and has seven innovative vehicles that are part of the Smithsonian Institution’s permanent collection in Washington, DC. Join us today in developing the next generation of small UAS and tactical missile systems that will deliver more actionable intelligence to our customers so they can proceed with certainty – and succeed. What We Do Building on a history of technological innovation, AeroVironment designs, develops, produces, and supports an advanced portfolio of unmanned aircraft systems (UAS) and tactical missile systems. Agencies of the U.S. Department of Defense and allied military services use the company’s hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition. We are proud to be an EEO/AA Equal Opportunity Employer, including disability/veterans. AeroVironment, Inc. is an Equal Employment Opportunity (EEO) employer and welcomes all qualified applicants. Qualified applicants will receive fair and impartial consideration without regard to race, sex, color, religion, national origin, age, disability, protected veteran status, genetic data, sexual orientation, gender identity or other legally protected status. ITAR

Posted 2 weeks ago

Boeing Defence United Kingdom Limited

Linux System Administrator

On-site
Boeing Defence United Kingdom LimitedGBR - Bristol, United Kingdom

Linux System Administrator Company: Boeing Defence United Kingdom Limited This post is for a Linux Engineer to join the Infrastructure Team and will be jointly responsible for the day to day support and maintenance of the Redhat Linux server estate. The team provide support to multiple programmes of work, including Ministry of Defence Information Services (MoD IS). This is a hands-on role whereby the successful candidate will need to have experience in RHEL 8 and 9 operating systems with an appreciation of other related Infrastructure technologies including networking, storage, Virtualization and HCI platforms. There will be the requirement to work with other teams to ensure the smooth delivery of Projects and identify opportunities for improvement through automation techniques. This includes monitoring the Service Management tool for Incidents, Problems, Service Requests and Change tasks to ensure we are improving the quality and adherence to contractual SLA and KPI requirements of the programme within Boeing Defence UK (BDUK) Responsibilities RHEL8 9 enterprise implementation and support. Perform patching, software implementations, and upgrades to our Linux estate. Support the delivery of automated Infrastructure Perform and automate patching and monitoring activities Work closely with other teams across the business to improve efficiency Fault diagnosis including problem statements and mitigation planning The successful candidate will be expected to be part of a 24x7 on-call team and provide extended hours support via a team Rota. Service and application Migration activities (RHEL OCP) Provide input and design review to ensure best practice implementation of container platforms and automation toolchains Being on the On-call rota being on-call roughly 1 in 5. Basic Qualifications (Required Skills/Experience): Ability to gain UK SC clearance Hands on experience with OpenShift upgrades, installations, and configuration. (ideally managed large scale migration and deployments) Knowledge of container monitoring tools and metrics. Troubleshooting and performance tuning experience. Experience of automation techniques and toolchains (Ansible, Ansible Tower, Gitlab Jenkins) Experience in a UNIX and Redhat [RHEL8 RHEL 9] administration role Preferred Qualifications (Desired Skills/Experience): DevOps/CI/CD process architecture/engineering experience Containerisation experience (Openshift, Docker, Podman) Ansible Automation Platform (AAP) Redhat Certification RHSA or RHCE Fluency in at least once scripting language such as Ruby, PowerShell, Python or Java. Experience of working within a secure and high availability environmentd. Employer will not sponsor applicants for employment visa status. Relocation: This position does not offer relocation. Candidates must live in the immediate area or relocate at their own expense. The Boeing benefits package goes above and beyond, focusing on your physical, emotional, financial and social well-being. Here’s a snapshot of what we offer: Competitive salary and annual incentive plans Continuous learning - you’ll develop the mindset and skills to navigate whatever comes next Success as defined by you - we’ll provide the tools and flexibility, so you can make a meaningful impact, your way Diverse and inclusive culture - you’ll be embraced for who you are and empowered to use your voice to help others find theirs 23 days plus UK public holidays and a Winter Break between Christmas and New Year Pension Plan with up to 10% employer contribution Company paid BUPA Medical Plan Short Term Sickness: 100% pay for the first 26 weeks Long Term Sickness: 66.67% of annual salary from 27th week 6x annual salary life insurance Learning Together Programme to support your on-going personal and career development Access to Boeing’s Well Being Programs, tool and incentives Excellent parental leave Language Requirements: Not Applicable Education: Not Applicable Relocation: Relocation assistance is not a negotiable benefit for this position. Security Clearance: This position requires the ability to obtain United Kingdom Security Check. Visa Sponsorship: Employer will not sponsor applicants for employment visa status. Contingent Upon Award Program This position is not contingent upon program award Shift: Not a Shift Worker (United Kingdom)

Posted 2 weeks ago

TT

Linux System Administrator

On-site
Torch Technologies, Inc.Huntsville, AL

Torch Technologies, a 100% employee-owned and highly recognized workplace, is seeking a motivated Linux System Administrator. This role requires strong Linux and security expertise, emphasizing teamwork and adaptability in a dynamic environment. Responsibilities include maintaining Linux systems, automating with Ansible, managing containerized services, and performing system audits. Candidates should possess relevant experience, certifications, and a Secret clearance. Join a company committed to supporting the defense community while enjoying comprehensive benefits and a positive work culture.

Posted 3 weeks ago

Raytheon

Linux System Administrator

Hybrid
RaytheonXX-XX-UNDISCLOSED

Raytheon is seeking a Linux System Administrator to support the Sea Based X-Band Radar program on an ocean-going vessel. This role involves deploying for multiple week rotations, focusing on the maintenance and support of radar systems. Candidates must possess an active U.S. security clearance and be adept at computer systems administration. Key responsibilities include managing network hardware, user accounts, data archives, and collaborating with mission operations staff. The position demands physical endurance for maritime conditions and a deep technical expertise in various systems.

Posted 4 weeks ago

TT

Computer Systems Administrator

On-site
Torch Technologies, Inc.Eglin AFB, FL

Torch Technologies Thank you for your interest in employment with Torch Technologies. We are a 100% employee-owned, Certified Great Place To Work and named Best Places to Work in Huntsville/Madison County, headquartered in Huntsville, AL. Our team provides superior research, development, and engineering services to the Federal Government and Department of War. As one of the nation’s top 100 defense companies, the services we provide directly support the men and women who serve our country. Our corporate mission sums up the pride our employee-owners take in the work we do: “Lighting the Pathway of Freedom”. And, as a Certified Evergreen ESOP, we have made the commitment to grow and sustain our company for the next 100 years! Come grow with us! Torch Technologies is seeking a Computer Systems Administrator to join a team to assist the 350th Spectrum Warfare Wing (350 SWW), at Eglin AFB, Florida. The 350 SWW is the technical focal point for all electronic warfare (EW) support of warfighter systems for the Combat Air Forces (CAF). The mission of the 350 SWW is to develop and test mission data (MD) to defeat enemy radar and infrared guided missile systems, thus enhancing aircrew and aircraft survivability in combat. This mission includes operational EW testing, MD development/validation/verification, force development evaluation execution and facilitating foreign materiel exploitation. As a Computer Systems Administrator your duties will include the following, but are not limited to: Provide comprehensive IT support for client systems in a collateral and Special Access Program (SAP) environment. Resolves IT support requests from employees, answering and troubleshooting client computer system issues on DoW networks. Communicates with employees on the status of service requests, updating IT trouble tickets and documenting resolutions as needed. Possesses strong technical knowledge of DoW enterprise networks and client computing solutions. Diagnoses and resolves end-user computer issues by gathering and analyzing data to identify the root cause. Acts as a front-end SharePoint Site Designer / Power User to manage and support collaboration sites, lists, and user permissions. Provides foundational SAP user support, including troubleshooting common access and transaction issues. Manages and provides support for Communications Security (COMSEC) equipment, such as TACLANEs and ViPERs, and performs COMSEC manager duties. Effectively communicates and collaborates across multiple organizations to resolve complex technical issues. Administers user accounts, network rights, and access to systems and equipment in accordance with security policies. Job Requirements: U.S. Citizenship Must possess a Master's degree in an applicable discipline. A Bachelor's degree in relevant discipline with 12 years relevant experience may be considered to meet education requirement. Minimum of 10 years' progressive experience in IT support, preferably within a DoW enterprise environment Must hold a current certification that meets the intermediate technical support role requirement (DoD 8140), such as CompTIA Security+, SSCP, GSEC, or GICSP. Strong communication and customer service mindset, with the ability to explain complex technical concepts in simple language. High-level knowledge of commonly used software, hardware, and client systems within a DoW enterprise environment. Strong troubleshooting background with the ability to gather and analyze data to isolate the root cause of technical issues. Ability to change system configurations, settings, and user permissions to resolve computer problems. Can install, update, and troubleshoot existing software and hardware drivers on client systems. Knowledge of or experience editing and designing sharepoint sites. Knowledge of or experience providing functional user support for SAP applications. Proven ability to work effectively in a team-oriented, collaborative environment. Knowledge of, and the ability to apply, operational security (OPSEC) principles, physical security measures, and professional conduct required for working within Sensitive Compartmented Information Facilities (SCIF) and Special Access Program Facilities (SAPF). A proven background in process improvement, with the ability to identify inefficiencies and recommend solutions. Must have a Secret clearance (including SAP Eligibility) with the ability to obtain a Top Secret clearance within 9 months of job start, due to the sensitivity of customer-related requirements. Preferred Skills: A Top Secret clearance with SAP eligibility is preferable. Proficiency in Windows client operating systems. Working knowledge of Linux is beneficial. Schedule : 40 Hrs/week Work Location: Eglin AFB, FL Travel : yes, 5-10% Relocation Assistance Available : No Position Contingent Upon Award of Contract: No #LI-AP1 Benefits: Torch Technologies is proud to offer a stable and professional work environment, a competitive salary, and an excellent, comprehensive benefit package including: ESOP participation, 401(k) match, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, Health Saving Accounts and Health Reimbursement Accounts, EAP, education assistance, paid time off, and holidays. Applying to Torch Technologies: Only those candidates invited for an interview will be contacted. Employment at Torch Technologies is contingent upon the successful completion of a comprehensive background check. ­ All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. Torch Technologies, Inc. participates in E-Verify. If you are a qualified individual with a disability or a disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access Careers Link as a result of your disability. You can request reasonable accommodations by sending an email to [email protected]. Thank you for your interest in Torch Technologies.

Posted 1 week ago

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Marina Galkina

Marina Galkina

Senior HR Manager, Lead Tech Recruiter, and Career Consultant

System Administrator Salary Data (September 2026)

This section summarizes salary information for System Administrator jobs, using 43,990+ active postings as context where pay details are available. It is meant to help compare compensation across system administration roles with different infrastructure, networking, cloud, and support responsibilities.

Average Salary

$93k

$113k

$129k

25th

50th

75th

Based on 43,990 roles currently tracked by LiftmyCV. Last updated on Sep 2, 2026

Salary Distribution

Entry10,558 jobs
$70k$77K$113k
Mid20,235 jobs
$101k$115K$126k
Senior13,197 jobs
$105k$119K$135k

Based on 43,990 roles currently tracked by LiftmyCV. Last updated on Sep 2, 2026

System Administrator Jobs salary ranges based on 43,990 job listings tracked by LiftmyCV
Experience Level25th PercentileMedian (50th)75th PercentileSample Size
Overall$92,729.63$113,450$128,713.1343,990
Entry-Level$69,605$76,867$113,22512
Mid-Level$101,060.75$115,000$126,25023
Senior-Level$105,000$119,400$135,40015

"System administrator hiring in 2026 tends to reward people who can keep mixed environments stable, not just people who know one console well. Employers often read closely for Windows or Linux administration, identity and access work, patching, backups, endpoint support, cloud exposure, and incident response habits. The resumes that feel credible show ownership of uptime, documentation, automation, and user support without turning every task into vague infrastructure language."

Marina's Market Take

Senior HR Leader & Lead Tech Recruiter

How to Land a System Administrator Job in 2026

System administrator jobs in 2026 tend to reward candidates who can show steady ownership of the systems that keep a company running: servers, user accounts, endpoint fleets, backups, access controls, patching, and incident response. Applications should point to the environments you’ve actually supported, such as Windows Server, Linux, Active Directory, Microsoft 365, VMware, Intune, Azure, AWS, networking hardware, ticketing queues, or hybrid office setups.

Position yourself around the type of system administrator work you do best. If your background is infrastructure-heavy, lead with server maintenance, virtualization, storage, monitoring, and disaster recovery. If you’ve worked closer to end users, emphasize onboarding, device management, permissions, help desk escalation, and endpoint security. For cloud-leaning system administrator roles, show how you’ve handled identity, provisioning, backups, scripts, and cost-aware resource management across platforms like Azure or AWS.

  • Show operational scope: Mention the number or type of users, devices, sites, servers, or cloud resources you’ve supported when you can do so accurately.
  • Prove reliability: Highlight patch schedules, backup testing, uptime support, incident triage, access reviews, and recovery work tied to real systems.
  • Include automation carefully: PowerShell, Bash, Python, Ansible, or deployment tooling should be framed around the manual work they reduced, such as account setup, reporting, patch checks, or software installs.
  • Match the work style: Remote system administrator roles often lean on cloud administration, ticket discipline, documentation, and async troubleshooting, while on-site roles may involve hardware, network closets, printers, imaging, and hands-on user support.

Your search strategy should separate junior system administrator roles from senior, cloud, Linux, Windows, and hybrid infrastructure openings, because each listing usually signals a different operating environment. LiftmyCV helps you find system administrator jobs that match your skills, experience, and preferred work style, then auto-apply to relevant roles faster.

Required Skills

system administration
server administration
Windows Server
Linux administration
Active Directory
network administration
troubleshooting
user management
system monitoring
backup management
patch management
PowerShell
security administration
virtualization
incident response
documentation

Resume Tips

For system administrator roles, your resume should show the environments you’ve actually supported, not just a list of tools. Lead with operating systems, infrastructure scope, and ownership: Windows Server, Linux, Active Directory, Microsoft 365, Azure, AWS, VMware, Hyper-V, SCCM, Intune, PowerShell, Bash, DNS, DHCP, VPNs, backup systems, endpoint management, and ticketing tools such as ServiceNow or Jira Service Management.

Highlight work that proves reliability: server patching, user provisioning, identity and access management, incident response, monitoring, disaster recovery testing, hardware refreshes, network troubleshooting, and security controls. Certifications such as CompTIA A+, Network+, Security+, Microsoft Certified: Azure Administrator Associate, RHCSA, or VMware VCP are worth including when current or directly relevant. Cut vague phrases like “responsible for IT support” unless they’re tied to systems, scale, or results.

Use bullets that describe action, platform, and outcome. Weak bullet: “Handled server issues and helped users with technical problems.” Strong bullet: “Administered 120 Windows and Linux servers, automated account provisioning with PowerShell, and reduced recurring access tickets by documenting Active Directory group workflows.”

Keep older desktop-only support experience brief unless the system administrator posting asks for help desk escalation, endpoint imaging, or Microsoft 365 administration. LiftmyCV helps you create an ATS-friendly system administrator resume tailored to each job, so your skills and experience better match what employers are looking for.

How to Prepare for Interviews

Interviews for System Administrator jobs usually test how you diagnose production issues, manage access, secure servers, and keep users working when something breaks. Prepare examples from Windows Server, Linux, Active Directory, DNS, DHCP, virtualization, backup, patching, endpoint support, and monitoring work you’ve handled in 2026.

Expect technical screens with scenario questions such as, “A user can reach internal apps but not the internet. Walk us through your troubleshooting process.” You may also see command-line exercises, log review, permission audits, or a short networking assessment covering subnets, firewall rules, and service failures.

Build a few concise incident stories before the interview: a server outage you restored, a failed patch you rolled back, an account lockout pattern you traced, or a backup recovery you validated. Include the tools used, the risk involved, and the result. For senior System Administrator roles, be ready to discuss automation, documentation, change control, and how you prioritize tickets against infrastructure maintenance.

FAQ

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