Build a Systems Administrator Resume That Shows Real Scale
A systems administrator resume that names your server estate, directory services, backup targets and patch record, with a sample and a writing guide.
Example Systems Administrator summary
Systems administrator with six years running mixed Windows and VMware estates for organizations of a few thousand users. Owns Active Directory design, Group Policy, patching and backup verification, and replaces manual routines with PowerShell. Raised 30-day patch compliance from 72% to 97% and cut a two-night maintenance window in half. Holds current Microsoft Azure and VMware credentials and writes change records other administrators can follow.
Skills to list on a Systems Administrator resume
- Windows Server
- Active Directory
- Group Policy
- PowerShell scripting
- VMware vSphere
- Hyper-V
- Microsoft 365 administration
- Exchange Server
- DNS and DHCP
- Patch management
- Backup and recovery
- Storage and SAN
- Monitoring and alerting
- Disaster recovery planning
- Change management
What actually gets this resume read
- Open each job with the estate size: server count, host count, user count and number of sites you supported.
- Separate the platforms you own from the ones you touch, because a hiring manager screens on primary platform first.
- Prove backups with restore tests and recovery times, not with the name of the backup product alone.
- Turn your patching record into a number: compliance percentage, patch window length, or the size of the vulnerability backlog you cleared.
- List every automation script by what it removed, such as manual onboarding steps or a recurring weekend task.
- Put migrations in their own bullets with mailbox, server or user counts, since migration experience is what most postings hunt for.