Operating Systems Administrator

The Operating Systems Administrator role involves developing, executing, and supporting the national Federal Defender Microsoft Windows infrastructure. Specialized duties include:

• Windows client and server operating system installation, deployment, maintenance, and support
• Administration and troubleshooting Active Directory and Group Policy
• Manage and maintain third-party applications in conjunction with vendor support
• Serve as a Tier-3 escalation resource for complex Windows infrastructure issues with the ability to troubleshoot across infrastructure boundaries
• Communicate technical issues, to both a nontechnical and technical audience, with excellent customer service skills
• Drive infrastructure related projects independently or through collaboration with team members
• Evaluate technologies and technical solutions and provide recommendations concerning enterprise systems, platforms, and services
• Utilize enterprise tools to manage, monitor, and secure large enterprise data center environments
• Prepare and present reports on usage and system health
• Serve as a Microsoft Windows escalation resource and mentor team members
• Demonstrate attention to detail and maintain effective working relationships with those contacted during course of work
• Occasional travel and lifting equipment up to 50 pounds
• Monitor enterprise infrastructure including storage area networks (SAN) and Windows server environments
• Develop and maintain project documentation such as: Infrastructure diagrams, installation documentation, upgrade assessments, knowledge base articles
• Implementing and troubleshooting security controls within Microsoft Windows environments, including hardening, patch management, privileged access, and endpoint security, * Optional participation in Federal Employees Health Benefits (FEHB)
• Optional participation in Federal Employees Dental and Vision Insurance Program (FEDVIP)
• Optional participation in Federal Employees’ Group Life Insurance (FEGLI)
• Position is excepted service, without competitive civil service tenure

• High school diploma or equivalent
• 3 years of general experience (relevant accredited coursework may substitute for part)
• 4 years of specialized experience (education may substitute for part)
• Employment contingent on a satisfactory background check (FBI name & fingerprints)
• Experience performing Microsoft Windows Server maintenance to ensure the system is secure, healthy, and highly available
• Comfortable working beyond documented procedures to identify root cause and implement sustainable solutions
• Practical and in-depth understanding of networking principles
• Advanced Active Directory and Group Policy administration and troubleshooting
• Demonstrated proficiency using PowerShell to administer, troubleshoot, and automate Windows infrastructure
• Knowledge of data center technologies, functions, and infrastructure
• Experience in leading projects and providing architectural input for system design
• Experience diagnosing complex virtualization, performance, resource, and availability issues is highly desirable
• 3+ years experience supporting Microsoft Windows Server deployments in virtualized environments including Failover Clustering
• 3+ years experience administering and supporting enterprise Microsoft Windows server operating systems (2019, 2022, 2025, Hyper-V), server class hardware, and enterprise storage (SAN) technologies