Systems Administrator Resume Sample - ATS Template 2026
On this page, you can preview an ATS-friendly Systems Administrator resume template, see what to include in each section, review strong bullet examples and relevant keywords, avoid common mistakes, and create a job-specific resume that fits real systems administrator roles.
How LiftmyCV Helps with Systems Administrator Resumes
For a Systems Administrator resume, LiftmyCV helps create job-specific versions, generate resumes per application during auto-apply, and match your resume to relevant roles.
Create Job-Specific Resumes
Paste a job description and create a job-specific resume in under a minute for less than $1.
Learn more →Generate Per-Job Resumes During Auto-Apply
During auto-apply sessions, LiftmyCV can generate a per-job resume for each role, helping your application stay aligned with the job description.
Learn more →Match Your Resume to Relevant Openings
LiftmyCV uses AI to match your resume with relevant jobs, autofill application forms, and submit applications automatically.
Learn more →
Why This Systems Administrator Template Works
A systems administrator resume has to show technical coverage without burying the reader in server, network, and support details. This structure keeps infrastructure experience, operating systems, cloud platforms, ticketing work, security practices, and uptime-related outcomes readable for ATS parsing and practical recruiter review.
Readable ATS Formatting
Clean headings, standard job titles, plain bullet formatting, and a simple contact section reduce parsing issues when the resume is uploaded into employer systems. For a systems administrator, that matters because tools, environments, certifications, and support scope often need to be read accurately from separate skills, experience, and education sections.
Clear Technical Hierarchy
The layout separates summary, technical skills, certifications, work history, and projects so a reviewer can quickly locate Windows Server, Linux, Active Directory, virtualization, networking, or cloud experience. Recent infrastructure roles stay near the top, while older help desk or desktop support work can still support the progression without crowding the page.
Keywords Fit Naturally
A dedicated skills area gives room for terms such as Active Directory, Group Policy, VMware, Hyper-V, PowerShell, Azure, AWS, DNS, DHCP, backups, monitoring, and incident response. The experience section then repeats only the tools actually used in context, which keeps the resume readable instead of turning it into a keyword list.
Achievements Stay Measurable
Systems administrator bullets work best when they connect daily operations to visible outcomes, such as fewer recurring tickets, faster provisioning, cleaner patch cycles, improved backup reliability, or reduced downtime. This format leaves space to describe the environment size, systems supported, automation written, migrations completed, and security controls maintained without adding unsupported claims.
What to Include in This Resume
A Systems Administrator resume should connect infrastructure ownership with uptime, security, automation, and user support outcomes. Prioritize Windows Server, Linux, Active Directory, Entra ID, Microsoft 365, virtualization, cloud platforms, patching, backups, monitoring, and incident response with clear scope and measurable results.
| Section | What to write | What to avoid | Example |
|---|---|---|---|
| Professional Summary | Summarize years of systems administration experience, supported environments, core platforms, automation work, security responsibilities, and one measurable infrastructure or service improvement. | Avoid vague IT support language without server, cloud, identity, backup, or uptime context. | Systems Administrator with 6+ years of experience managing Windows Server, Linux, Active Directory, Microsoft 365, VMware, backups, and endpoint patching. Reduced recurring server incidents by 31% through PowerShell automation, monitoring cleanup, and documented change controls. |
| Areas of Expertise | List operational strengths covering server administration, identity access, virtualization, cloud operations, networking, endpoint management, automation, backups, monitoring, and security controls. | Avoid soft skills, generic troubleshooting, or tools mixed randomly without showing infrastructure coverage. | Windows Server Administration, Linux Administration, Active Directory and Group Policy, Entra ID, Microsoft 365 Administration, VMware vSphere, Patch Management, Backup and Disaster Recovery, Infrastructure Monitoring, PowerShell Automation |
| Technical Proficiencies | Include current platforms, tools, scripting languages, and administration methods used to manage hybrid infrastructure, endpoints, identity, virtualization, cloud, and backups. | Avoid outdated tools unless recently used, and do not list every application from past help desk work. | Windows Server 2019 and 2022, Ubuntu Server, Active Directory, Microsoft Entra ID, Microsoft Intune, VMware vSphere, Hyper-V, Azure, AWS, PowerShell, Bash, Veeam, SolarWinds |
| Professional Experience | Show role title, company context, infrastructure scope, systems supported, tools used, incidents resolved, automation delivered, and measurable gains in uptime, patch compliance, or ticket volume. | Avoid task lists that only say maintained servers, reset passwords, or provided support without scale or outcome. | Systems Administrator, Northstar Logistics Group. Managed 180 Windows and Linux servers across VMware and Azure environments, improving monthly patch compliance from 82% to 97%. Built PowerShell scripts for user provisioning and backup checks, reducing manual administration time by 10 hours per week. |
| Earlier Roles | Keep earlier IT roles concise, especially help desk, desktop support, network technician, or junior administrator positions that support career progression into infrastructure administration. | Avoid long descriptions of entry-level tickets if the recent experience already covers systems administration scope. | IT Support Specialist, Meridian Office Systems, 2017 to 2019 |
| Education | Add degree, institution, graduation year, and relevant coursework only when it supports systems, networking, cybersecurity, cloud infrastructure, or information technology fundamentals. | Avoid listing unrelated coursework, unfinished programs without context, or education details that crowd out technical experience. | Bachelor of Science in Information Technology, Western State University, 2017. Coursework included network administration, Linux systems, database fundamentals, and information security. |
| Certifications | Include current or recently completed certifications tied to systems administration, cloud, identity, networking, security, virtualization, or Linux administration. | Avoid expired certifications, basic software certificates, or long training lists that weaken the technical signal. | CompTIA Security+, Microsoft Certified: Azure Administrator Associate, VMware Certified Professional, Red Hat Certified System Administrator |
Quick tip: Anchor each section to infrastructure scope, tools administered, automation, security controls, and measurable reliability or support improvements.
Systems Administrator Resume Example Bullets
Weak systems administrator bullets usually list routine tasks. Strong bullets explain the action taken, the systems involved, the method used, and the operational result, such as better uptime, faster provisioning, or fewer support escalations.
| Bullet | Strong bullet | Weak bullet |
|---|---|---|
| Server Administration | Administered 120 Windows and Linux servers across production and staging environments, applying patch schedules, monitoring resource usage, and reducing unplanned downtime by 18%. | Managed company servers and performed regular maintenance. |
| User Access Management | Streamlined Active Directory user provisioning for 600 employees by standardizing group policies, access templates, and offboarding checks, cutting account setup time from two days to four hours. | Created accounts and managed user permissions. |
| Backup And Recovery | Maintained Veeam backup jobs for file servers, databases, and virtual machines, testing monthly restores and improving recovery readiness for business-critical systems. | Worked with backups and restored files when needed. |
| Network Troubleshooting | Diagnosed recurring VPN and DNS issues using Wireshark, firewall logs, and DHCP lease data, resolving connectivity failures affecting remote users across three office locations. | Fixed network issues for users. |
| Automation Scripts | Built PowerShell scripts to automate software deployment, disk space alerts, and inactive account reporting, reducing manual administration work by roughly six hours per week. | Used scripts to automate some IT tasks. |
Systems Administrator Keywords Recruiters Often Look For
Use these role-relevant terms naturally across your summary, skills, and systems administration work history.
Systems Administrator Resume Formatting Rules
Use this section to catch formatting and content problems before your Systems Administrator resume reaches a recruiter or ATS. Watch for vague infrastructure wording, missing uptime or ticket metrics, generic skill lists, tiny fonts, unclear formatting, and an unreadable structure.
Do's
- use a clean, ATS-friendly layout
- keep the resume to one page when possible, two pages only when justified
- use readable 10.5 to 12 pt body text
- stick to standard fonts like Arial, Calibri, or Times New Roman
- use clear section headings and a simple reading order
- keep contact details in the main body of the resume
- show measurable systems administration impact with numbers and outcomes
- name the systems administration tools and platforms you actually used
- tailor keywords naturally to the target Systems Administrator role
- save the file as a simple .pdf or .docx
Don'ts
- do not use photos or profile pictures
- do not use fancy or decorative fonts
- do not add tables, columns, text boxes, icons, or graphics
- do not place important details in headers or footers
- do not turn the resume into a dense wall of text
- do not write vague claims without metrics or context
- do not list every systems administration tool you have ever touched
- do not stuff keywords unnaturally
- do not let the resume run past two pages for this template
- do not use design-heavy layouts that are harder for ATS to parse
Systems Administrator Jobs
Explore active Systems Administrator jobs, filter them by your preferences, and use LiftmyCV to create job-specific resumes and auto-apply with AI at scale.
Windows System Administrator
On-siteJoin Raytheon Technologies as a Windows System Administrator in a dynamic and collaborative environment. You will be responsible for managing systems containing classified data, requiring an active Secret security clearance. Your duties will include provisioning, maintaining, and supporting Windows infrastructure, server management, system backups, and collaboration with cybersecurity teams. Candidates must have at least 5 years of experience with relevant qualifications. This is a full-time, onsite role with opportunities for growth in a leading aerospace and defense company.
Posted 5 days ago
Windows System Administrator
On-siteDelaware 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 2 weeks ago
Windows System Administrator
HybridDate Posted: 2026-07-30 #xa; #xa; Country: United States of America #xa; #xa; Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 #xa; #xa; Position Role Type: Onsite #xa; #xa; U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance #xa; #xa; Security Clearance Type: DoD Clearance: Top Secret #xa; #xa; Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Senior System Administrator, internally known as Senior Analyst, Information Workplace Services, collaborates with a diverse team to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. The candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support. This position is 100% onsite location in El Segundo, CA. What You Will Do : Provide IT systems administration in a heterogeneous Microsoft Windows environment. Apply understanding and knowledge of Windows Server internals fundamentals to include DNS, DHCP, AD, and server replication methods. Work as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). Apply understanding of data RAID, data backup uses and technologies. Install and configure software applications requested by end users. Work with Cybersecurity professionals to maintain security requirements. Proactive management of infrastructure to help maintain a healthy environment. Experience in administering of Microsoft Windows Server and Active Directory and group policy. Building workstations on bare metal hardware using automation tools such as MDT, WDS or Ghost. Qualifications You Must Have: Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field. Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience supporting Window and/or Linux operating systems. Qualifications We Prefer: Experience supporting Windows desktops (Windows 10) and Windows server 2016, 2019 installation and maintenance. Experience with VMware VSphere (ESXi, vCenter, etc). Experience with Storage – HP MSA, RAID configuration. Experience with Window Servers, Active Directory and Group Policy Experience with Network and infrastructure services such as domain controllers, global catalogs, DNS, and DHCP. Experience with Infrastructure backup, restore, disaster recovery and business continuity. Experience with configuring storage such as NetApp or HP storage. Experience with security compliance applications such as Ivanti, Splunk and Tenable. Experience with Networking: Network security, LAN/WAN, TCP/IP, Firewalls. Experience with Applications: MS Office various network Server/Client applications. What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Learn More Apply Now! As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 75,800 USD - 144,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms
Posted 5 weeks ago