System Administrator CV Example and Writing Guide
Sysadmin roles reward reliability and automation. Show the number of servers and users supported, uptime, migrations, backup and recovery success and scripts that saved time.
What employers look for in a System Administrator
- Windows and/or Linux administration
- Active Directory and Microsoft 365
- Virtualisation and cloud
- Backup and recovery
- Scripting (PowerShell, Bash)
System Administrator CV example
Use this sample as inspiration. Replace every number and detail with your own real achievements.
Your Name
System Administrator
City, Country · phone · email@example.com · linkedin.com/in/yourname
Professional profile
System administrator with 6+ years managing Windows and Linux servers, Active Directory, virtualisation and backups for 500+ users. Maintained 99.9% uptime and led migration of on-premise services to Microsoft 365 and Azure.
Experience — key achievements
- Administered 80+ Windows and Linux servers supporting 500+ users with 99.9% uptime
- Migrated 400 mailboxes from on-premise Exchange to Microsoft 365 with zero data loss
- Automated user onboarding with PowerShell, cutting setup time from 2 hours to 15 minutes
- Implemented a backup strategy with tested recovery, achieving a 4-hour recovery time objective
- Reduced critical security patch backlog by 90% through scheduled patch management
- Resolved 30+ helpdesk escalations per week across hardware, software and network issues
Skills
Windows Server · Linux Administration · Active Directory · Microsoft 365 · VMware / Hyper-V · Azure / AWS · PowerShell & Bash · Backup & Recovery · Patch Management · Networking (DNS, DHCP) · Monitoring Tools · IT Security
Entry-level System Administrator CV profile
No experience yet? Lead with education, projects and transferable skills. Here is a profile you can adapt:
IT graduate with hands-on lab experience in Windows Server, Linux and networking fundamentals. CompTIA A+ certified with strong troubleshooting skills. Seeking a junior system administrator role.
Career objective version: Reliable system administrator seeking a role to keep IT infrastructure secure, stable and efficient for growing teams.
Typical System Administrator responsibilities
Do not copy duties straight onto your CV. Instead, turn each one into an achievement with a number — for example, how many, how much, or how much faster.
- Maintain servers and core infrastructure
- Manage user accounts and permissions
- Monitor systems and respond to incidents
- Apply patches and security updates
- Run and test backups
Key skills for a System Administrator CV
Read our guide to the CV skills section and how to use CV keywords.
Certifications worth listing
- Microsoft 365 Administrator
- RHCSA
- CompTIA Server+ / A+
- VMware VCP
Requirements vary by country and employer — always check the job advert and the relevant licensing body.
How to write a stronger System Administrator CV
- 1
Put your target job title — "System Administrator" — directly under your name so recruiters and ATS see the match immediately.
- 2
Open with a three-line profile: experience level, two or three core skills and one measurable result.
- 3
Write experience bullets as action verb + task + result. Aim for a number in at least half of your bullets.
- 4
Mirror the exact skills and tools named in the job advert, but only those you genuinely have.
- 5
Use a clean, single-column layout and save as a text-based PDF unless the employer asks for Word.
Applying abroad?
CV conventions — photo, length, personal details — change from country to country. Read the guide for your target market:
System Administrator CV — frequently asked questions
What should I include in a System Administrator CV?
Include a short professional profile, reverse-chronological experience with measurable achievements, a skills section and your education. Employers hiring for system administrator roles especially look for: windows and/or linux administration, active directory and microsoft 365, virtualisation and cloud.
What are the best skills for a System Administrator CV?
Strong system administrator CVs usually feature skills such as Windows Server, Linux Administration, Active Directory, Microsoft 365, VMware / Hyper-V, Azure / AWS. Match the exact wording of the job advert and prove key skills inside your experience bullets.
Which certifications help a System Administrator CV stand out?
Depending on your country and level, useful credentials include Microsoft 365 Administrator, RHCSA, CompTIA Server+ / A+, VMware VCP. List them with the year achieved or your expected completion date.
How long should a System Administrator CV be?
One page for students and early-career candidates; two pages for most experienced professionals. Senior or highly specialised candidates may need more, but every line should be relevant to the role.
Can I create a System Administrator CV for free?
Yes. The BuildCVFast builder is free to use. Choose "System Administrator" as your job title to load a starting profile, skills and bullet points, then edit them with your own details and download a PDF.