Mid LevelSystem Administrator Resume Example

Use this free mid levelsystem administrator resume sample as your starting point, then tailor it for your experience level and target job.

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System Administrator Resume Template (mid level)

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Professional Summary

System Administrator with six years managing Windows and virtualized infrastructure for mid-size environments. Skilled in VMware, PowerShell automation, and patch and backup management with a strong uptime and efficiency record.

Professional Experience

System AdministratorMay 2022 - Present

Brightline Manufacturing, Grand Rapids, MI

Administered 40 Windows Server 2022 hosts and a VMware vSphere cluster supporting 600 users at 99.95% uptime.
Wrote PowerShell scripts automating onboarding, cutting provisioning time from 30 minutes to 4 per account.
Maintained 98% patch compliance across 600 endpoints using WSUS and automated deployment rings.

IT Systems TechnicianJun 2019 - Apr 2022

Lakeside Financial Group, Kalamazoo, MI

Managed 15 nightly Veeam backup jobs at a 99.8% success rate with quarterly restore tests meeting a 4-hour RTO.
Administered a VMware cluster of 80 VMs, right-sizing resources to reclaim 30% of host capacity.
Resolved 40+ escalated tickets weekly in ServiceNow, cutting mean resolution time from 8 hours to 3.

Skills

Windows Server, VMware vSphere, PowerShell Automation, Patch Management, Backup & Recovery, Active Directory, Microsoft 365, Monitoring

Education

B.S. Information TechnologyMay 2019

Michigan State University

Certifications

CompTIA Security+
Microsoft Certified: Windows Server Hybrid Administrator Associate
VMware Certified Professional - Data Center Virtualization (VCP-DCV)
CompTIA Network+

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Key Skills for System Administrator

Windows ServerVMware vSpherePowerShell AutomationPatch ManagementBackup & RecoveryActive DirectoryMicrosoft 365Monitoring

ATS Keywords for System Administrator

Use these naturally in your summary, skills, and experience when they reflect your background.

System AdministratorWindows ServerVMware vSphereActive DirectoryPowerShellPatch ManagementBackupsMicrosoft 365Group PolicyNetworkingLinuxMonitoring

How to Write a Mid Level System Administrator Resume

A mid-level system administrator resume needs to show end-to-end ownership: servers and virtualization you run, automation you write, and the patch, backup, and uptime discipline that keeps it stable. Foreground the stack the posting names and back every claim with an uptime, compliance, or efficiency metric.

Resume Writing Tips

Quantify uptime and scope

State the servers, VMs, and users you manage and the uptime you sustain, such as 99.95% across 40 hosts for 600 users, since infrastructure scope plus reliability is what distinguishes mid-level ownership from entry-level support.

Showcase real automation

Describe a PowerShell or Bash script you wrote and the time or error reduction it produced, like cutting onboarding from 30 minutes to 4 per account, proving you reduce toil rather than click through tasks manually.

Prove patch and backup discipline

Cite your patch-compliance rate and backup success and restore-test results with a recovery objective, showing you own reliability and can recover the environment, not just keep it running day to day.

Skills to Highlight

VMware vSphere

Detail the cluster size you administer, resource optimization you performed, and any capacity reclaimed, proving hands-on virtualization ownership beyond basic VM creation.

PowerShell Automation

Describe a script you wrote to automate onboarding, reporting, or maintenance, and the measurable time saved, showing you scale yourself through code.

Patch Management

Cite your compliance rate and the tooling and deployment-ring approach you use, since consistent patching ties directly to security posture and uptime.

Backup & Recovery

Explain your backup jobs, success rate, and restore testing against an RTO and RPO, proving you can actually recover systems, not just schedule backups.

Common Questions

How do I show ownership without a senior title?

Emphasize the systems you run end to end, servers, virtualization, patching, and backups, and the metrics behind them. Owning uptime and recovery independently, plus automating routine work, is what separates mid-level administration from entry-level ticket support.

Should I list every tool I've used?

Lead with the stack in the posting, then note others briefly. A manager cares most that you can run their environment, so depth in Windows Server, VMware, and PowerShell reads stronger than a long, shallow list of every product you have touched.

How specific should my metrics be?

Mid-level Security Analyst resume example. Focus on risk assessment, incident response, and compliance.

Risk AssessmentSecurity Monitoring (SIEM)Incident Response

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