Updated for 2026

Junior Systems Administrator
Resume Example

A proven resume structure for entry-level systems administration roles that highlights server management fundamentals, troubleshooting abilities, and IT support progression.

ATS Score
84
Good
Keywords · Impact · Format
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Samantha Nguyen

Portland, OR  |  [email protected]  |  (555) 593-7128  |  linkedin.com/in/samanthanguyen
Summary

Systems administrator with 1.5 years of experience managing Windows Server and Linux environments in a mid-size enterprise. Maintained 99.8% uptime for 75 servers while resolving 40+ weekly tickets and automating routine tasks with PowerShell scripts that saved 10 hours per week. CompTIA Server+ and Microsoft AZ-900 certified.

Technical Skills
Operating Systems: Windows Server 2019/2022, Ubuntu 22.04, CentOS 8, macOS
Administration: Active Directory, DNS, DHCP, Group Policy, Office 365 Admin, Exchange Online
Tools: PowerShell, Bash, ServiceNow, Veeam Backup, SCCM, Nagios, Remote Desktop
Experience
Junior Systems Administrator - Cascade Media Group
  • Administer 75 Windows and Linux servers across production and development environments, maintaining 99.8% uptime and resolving 40+ infrastructure tickets weekly
  • Created 18 PowerShell scripts for automated user onboarding, mailbox provisioning, and disk usage reporting, reducing manual administrative tasks by 10 hours per week
  • Managed Office 365 tenant for 600 users including license management, email security policies, and Teams administration, maintaining 100% uptime during a 200-user expansion
  • Performed daily backup verification using Veeam for 12TB of production data, identifying and resolving 8 backup failures within the first 3 months that prevented potential data loss
IT Help Desk Analyst - Greenfield Technologies
  • Resolved 550+ tickets over 6 months covering hardware, software, networking, and account access issues with a first-call resolution rate of 78%
  • Imaged and configured 120 workstations using SCCM deployment, maintaining standardized builds across 3 office locations and reducing setup time by 65%
  • Managed Active Directory accounts for 400 users including password resets, group membership changes, and new account creation, processing an average of 15 account requests daily
  • Documented 25 knowledge base articles for recurring issues, reducing repeat ticket volume by 18% and improving team resolution consistency
Education
A.S. in Network Administration - Portland Community College
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Why This Resume Works

1
Natural Career Progression

Moving from Help Desk Analyst to Junior Systems Administrator shows deliberate career growth and tells hiring managers you have earned your way into infrastructure roles.

2
Automation at the Junior Level Stands Out

Most junior sysadmins list only reactive tasks. Showing 18 PowerShell scripts saving 10 hours weekly demonstrates the proactive mindset that gets you promoted.

3
Backup Responsibility Shows Trustworthiness

Being responsible for 12TB of backup verification and catching 8 failures proves you can be trusted with critical data protection tasks.

Section-by-Section Breakdown

Summary

Include your server count, uptime percentage, and weekly ticket volume. Mention certifications early since they carry significant weight for junior admin roles.

Skills

List specific OS versions (Windows Server 2022, Ubuntu 22.04) rather than generic 'Windows' and 'Linux'. Version specificity shows current knowledge.

Experience

Mix operational tasks (tickets, backups) with improvements (automation, documentation). Show you handle daily responsibilities while finding ways to improve processes.

Education

Associate degrees are perfectly valid for sysadmin roles. Pair with certifications (CompTIA, Microsoft, Linux+) to strengthen your qualifications section.

Key Skills for Junior Systems Administrator Resumes

Based on analysis of thousands of job postings, these are the most frequently required skills:

Windows Server Linux Administration Active Directory PowerShell Office 365 Administration Backup Management DNS and DHCP Group Policy SCCM Troubleshooting ServiceNow Nagios Monitoring Bash Scripting Help Desk Support Technical Documentation Hardware Configuration

Common Mistakes on Junior Systems Administrator Resumes

  • Resume Reads Like a Help Desk Role - If you are targeting sysadmin positions, lead with server management and infrastructure tasks, not password resets and desktop support tickets.
  • No Mention of Backup or Recovery - Backup management is a fundamental sysadmin responsibility. Omitting it suggests you have not been trusted with critical data protection tasks.
  • Missing Automation Skills - Even basic PowerShell scripts for user provisioning or log cleanup show initiative. Listing zero automation experience limits your competitiveness.
  • Vague Ticket Metrics - Writing 'resolved IT tickets' tells nothing about your capacity. Include weekly volume, first-call resolution rate, and customer satisfaction scores.
  • No Certifications Listed - For junior sysadmin roles, certifications like CompTIA Server+, Microsoft AZ-900, or Linux+ significantly boost your resume. Missing them is a disadvantage against certified candidates.

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