Updated for 2026

Senior Systems Engineer
Resume Example

A proven resume structure for experienced systems engineering roles that highlights infrastructure design, automation expertise, and high-availability system management.

ATS Score
87
Excellent
Keywords · Impact · Format
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Rachel Whitfield

Chicago, IL  |  [email protected]  |  (555) 327-9014  |  linkedin.com/in/rachelwhitfield
Summary

Senior systems engineer with 7 years of experience managing enterprise infrastructure across on-premises and hybrid cloud environments. Designed and maintained systems supporting 8,000+ users with 99.95% uptime while automating 85% of routine operations through PowerShell and Ansible. Expertise in VMware virtualization, Active Directory, and enterprise storage architecture.

Technical Skills
Infrastructure: VMware vSphere, Hyper-V, Active Directory, DNS, DHCP, Group Policy, NetApp SAN/NAS
Automation & Monitoring: PowerShell, Ansible, Puppet, Nagios, SolarWinds, Zabbix
Networking & Security: Cisco switches/routers, VPN, load balancing (F5), firewall management, SSL/TLS certificate management
Experience
Senior Systems Engineer - Cornerstone Financial Group
  • Manage hybrid infrastructure of 450+ servers (280 virtual, 170 physical) across 3 data centers supporting 8,000 employees with 99.95% uptime over 24 months
  • Automated server provisioning, patch management, and compliance reporting using Ansible and PowerShell, reducing manual operations by 85% and saving 32 hours per week
  • Led VMware vSphere upgrade across 12 ESXi hosts and 280 VMs with zero downtime, improving resource utilization by 38% and consolidating 4 aging physical servers
  • Designed and implemented disaster recovery infrastructure with automated failover testing, reducing RTO from 8 hours to 45 minutes and achieving 100% successful quarterly DR tests
Systems Engineer - Pinnacle Healthcare Systems
  • Administered Active Directory environment with 6,500 user accounts, 1,200 group policies, and 35 organizational units across 4 domains, maintaining HIPAA-compliant access controls
  • Deployed SolarWinds monitoring platform covering 320 network devices and 200 servers, achieving 94% proactive issue detection before user-reported tickets
  • Migrated 4TB of enterprise file storage from legacy NAS to NetApp clustered ONTAP, completing the transition over 3 weekends with zero data loss
  • Reduced server patch compliance time from 14 days to 3 days by implementing WSUS automation with custom PowerShell reporting for 200+ Windows servers
Education
B.S. in Computer Engineering - Illinois Institute of Technology
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Why This Resume Works

1
Infrastructure Scale is Immediately Clear

Leading with 450+ servers, 8,000 users, and 3 data centers instantly communicates enterprise-level experience that hiring managers at large organizations are looking for.

2
Automation Quantified in Hours Saved

Showing 85% reduction in manual operations and 32 hours per week saved demonstrates you are not just maintaining systems but actively improving operational efficiency.

3
DR Metrics Prove Reliability Focus

Specific RTO improvements and 100% DR test success rates show commitment to business continuity, a critical concern for systems engineering leadership.

Section-by-Section Breakdown

Summary

Include server count, user base, and uptime percentages to establish scale. Mention your primary automation tools and virtualization platform expertise.

Skills

Organize into Infrastructure, Automation/Monitoring, and Networking/Security. Systems engineering spans many domains, so comprehensive categorization helps ATS matching.

Experience

Balance infrastructure management bullets with automation and improvement projects. Show you maintain reliable systems AND drive modernization.

Education

List relevant certifications (VCP, MCSE, RHCE) alongside your degree. For senior roles, certifications demonstrate ongoing professional development.

Key Skills for Senior Systems Engineer Resumes

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

VMware vSphere Active Directory PowerShell Automation Ansible Server Administration Disaster Recovery Network Infrastructure Storage Architecture Linux Administration Windows Server Patch Management Virtualization Monitoring and Alerting HIPAA Compliance Load Balancing Capacity Planning

Common Mistakes on Senior Systems Engineer Resumes

  • Focusing Only on Break-Fix Work - Describing yourself as someone who troubleshoots issues positions you as reactive. Senior roles demand proactive automation, capacity planning, and architecture improvement.
  • No Automation Evidence - In modern systems engineering, manual processes are liabilities. Failing to show PowerShell, Ansible, or similar automation experience is a significant gap.
  • Missing Uptime and Reliability Metrics - Without specific uptime percentages or incident reduction numbers, there is no proof your systems actually run reliably under your management.
  • Vague Server Counts - Writing 'managed a large server environment' is meaningless. Specify exact counts of physical servers, virtual machines, and the platforms they run on.
  • Ignoring Compliance Requirements - Many systems engineers work in regulated industries (healthcare, finance). Not mentioning HIPAA, SOX, or PCI compliance experience limits your appeal to these employers.

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