Systems Administrator Resume Keywords 2025

Use these specific keywords in your resume to help you pass Applicant Tracking Systems (ATS) and catch the attention of recruiters hiring for Systems Administrator roles.

Hard Skills

  • Systems administration
  • Server configuration
  • User account management
  • Access control and permissions
  • Patch management
  • Backup and recovery
  • Disaster recovery planning
  • Capacity planning
  • Performance tuning
  • Change management

Technical Proficiencies

  • Windows Server administration
  • Linux/Unix administration
  • Active Directory
  • Group Policy (GPO)
  • DNS, DHCP, and TCP/IP
  • VMware vSphere / ESXi
  • Hyper-V
  • PowerShell scripting
  • Bash scripting
  • Office 365 / Microsoft 365 administration
  • Azure Active Directory
  • Network troubleshooting
  • Firewall and VPN configuration
  • Monitoring tools (Nagios, Zabbix, SolarWinds)
  • Ticketing systems (ServiceNow, Jira, Remedy)

Security & Compliance

  • Security hardening
  • Identity and access management (IAM)
  • Endpoint protection
  • Vulnerability management
  • Log management and analysis
  • Security incident response
  • Compliance standards (ISO 27001, SOC 2, HIPAA)

Cloud & Virtualization

  • Cloud infrastructure (AWS, Azure, GCP)
  • Hybrid environment administration
  • Virtualization management
  • Storage management (SAN, NAS)
  • Containerization (Docker, Kubernetes)

Soft Skills

  • Technical problem-solving
  • Troubleshooting and root cause analysis
  • Customer service orientation
  • Cross-functional collaboration
  • Documentation and knowledge base creation
  • Time management
  • Prioritization under pressure
  • Stakeholder communication

Industry Certifications

  • CompTIA A+
  • CompTIA Network+
  • CompTIA Security+
  • Microsoft Certified: Windows Server / Azure Administrator
  • Red Hat Certified System Administrator (RHCSA)
  • VMware Certified Professional (VCP)
  • Cisco CCNA

Action Verbs

  • Administered
  • Configured
  • Implemented
  • Optimized
  • Maintained
  • Monitored
  • Troubleshot
  • Automated
  • Secured
  • Upgraded
  • Standardized
  • Documented
Pro Tip

Don't just list these keywords! Weave them naturally into your Professional Summary and Work Experience bullet points to show how you used these skills to achieve results.

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