A systems administrator resume needs these ATS keywords to pass automated screening: Active Directory, Windows Server, Linux, Virtualization, VMware. Average systems administrator salary is $65,000 – $100,000. With 1,300 monthly resume-related searches, competition is high. Use the exact terms from each job description to maximize your ATS match score.
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These keywords appear most frequently in systems administrator job descriptions. Missing even a few can drop your ATS score below the screening threshold.
Hard and soft skills that systems administrator ATS systems look for
Cloud migration, managed service providers, and AI-driven infrastructure management have reduced the traditional on-premises sysadmin role significantly. However, hybrid environments, security management, and complex enterprise infrastructure still require skilled systems administrators, particularly those with cloud and security expertise.
Common mistakes that cause systems administrator resumes to fail ATS screening
List 'Active Directory' explicitly — it is the single most searched keyword in systems administrator job postings and ATS systems treat it as a near-universal requirement
Include Windows Server version numbers: 'Windows Server 2019/2022' — enterprises on specific versions prefer candidates with matching experience to reduce transition risk
Name your virtualization platforms: 'VMware vSphere 7.0/8.0', 'Hyper-V' — virtualized environments are nearly universal and ATS filters on platform brand
Include 'PowerShell' with examples of automation: 'PowerShell scripting for AD user provisioning, patch reporting, and log analysis' — automation skills separate senior sysadmins from junior candidates
List Microsoft 365 administration explicitly: 'Exchange Online, SharePoint, Teams, Azure AD' — M365 has become the de facto standard and ATS systems filter on it heavily
Include your backup platform (Veeam, Azure Backup, Backup Exec) — disaster recovery capability is a critical differentiator and specific platforms matter to hiring teams
Key ATS keywords for systems administrator roles include: Active Directory, Windows Server, Linux, VMware, Hyper-V, Azure, PowerShell, Group Policy, Microsoft 365, Exchange, Intune, SCCM, patch management, backup and recovery, and ITIL. Enterprise and mid-market employers use ATS systems that filter on core platform combinations. Use ATS CV Checker to compare your resume against specific employer postings — on-premises focused enterprises and cloud-first organizations look for different skill combinations.
Linux requirements depend heavily on the environment. Windows-centric enterprises may list Linux as preferred but not required. Technology companies, cloud-first organizations, and any company running web servers, databases, or containerized workloads expect at minimum basic Linux administration skills. RHEL/CentOS for enterprise environments and Ubuntu for cloud and development environments are the most common distributions to list. Red Hat Certified System Administrator (RHCSA) is the most recognized Linux credential for enterprise roles. If you work primarily with Windows but have Linux exposure, list it — it is almost never a negative.
Structure around environment scale, technology, and operational impact. Strong examples: 'Administered Active Directory environment with 800+ user accounts across 3 domains, managing GPO, OU structure, and group-based access controls'; 'Migrated on-premises Exchange 2016 to Exchange Online (M365), supporting 650 mailboxes with zero data loss and 4-hour total downtime'; 'Built PowerShell automation for monthly patch compliance reporting, reducing manual reporting time from 8 hours to 20 minutes'. Use ATS CV Checker to verify your technical achievements are described with the specific platform and version terminology employers search for.
Traditional sysadmin responsibilities are shifting toward hybrid cloud management, infrastructure as code, and automation-first operations. Skills increasingly expected: Azure or AWS administration alongside on-premises, PowerShell/Python scripting for automation, modern endpoint management (Intune/Autopilot replacing legacy SCCM imaging), and identity management (Azure AD/Entra ID, MFA, Conditional Access). Sysadmins who can manage hybrid environments (on-premises + cloud) are more marketable than pure on-premises specialists. Pursuing Microsoft AZ-104 or AWS SysOps Administrator Associate certificates signals this evolution to employers.
Cloud engineer transition: deepen AWS or Azure skills beyond basic administration, add Infrastructure as Code (Terraform, Bicep, CloudFormation), pursue cloud architecture certifications (AWS Solutions Architect, AZ-305), and contribute to cloud migration projects. IT manager transition: document any team leadership, project coordination, vendor management, and budget responsibility in your current role — these are the core competencies hiring managers evaluate. Pursuing PMP or ITIL 4 Managing Professional formalizes your management credentials. Use ATS CV Checker to identify which cloud or management keywords your sysadmin resume currently lacks for your target advancement role.
Guides to help you pass ATS screening faster