Windows Desktop/Server Administrator

Job Locations US-TN-Oak Ridge

The Windows Desktop/Server Administrator will provide Tier III IT operations support across the Office of Information Management (OIM) and SC mission systems. This role is responsible for operating and maintaining Windows-based servers, desktops, and hybrid infrastructure, ensuring service availability, performance, security, and compliance with DOE directives. The ideal candidate will have deep expertise in Active Directory, Windows Server, endpoint management, and virtualization technologies, while also supporting cloud integrations and evolving enterprise service delivery models.

Key Responsibilities

Windows Server & Desktop Administration:

Administer and maintain Windows Server environments (2016/2019/2022), including domain controllers, file servers, print servers, and application servers.
• Manage Active Directory (AD), including user/group management, OU structure, GPOs, DNS, DHCP, and replication.
• Provide Tier III support for Windows desktop environments, including OS deployment, patching, and troubleshooting.
• Support endpoint devices (Windows, macOS, and Linux where required), ensuring compliance with security baselines.
• Implement and maintain Microsoft Endpoint Configuration Manager (SCCM/Intune) for software distribution, patch management, and endpoint compliance.

Infrastructure & Data Center Operations:

• Operate and monitor physical and virtual infrastructure, including Hyper-V and VMware platforms.
• Support backup and restore processes in line with Recovery Time Objectives (RTOs) and Recovery Point Objectives (RPOs).
• Maintain documentation of server configurations, rack layouts, cabling, power requirements, and capacity planning.
• Provide hands-on support for network and server hardware in communication closets and data centers.

Monitoring & Availability Management:

• Continuously monitor Windows servers, desktops, and virtualization platforms for availability, health, and performance.
• Detect and resolve bottlenecks, outages, and performance issues in line with SLAs.
• Use approved monitoring tools (e.g., SCOM, SolarWinds, Azure Monitor) and recommend enhancements to improve operational effectiveness.
• Track and report on capacity utilization, resource consumption, and licensing compliance.
• Maintain operational records such as maintenance logs, backup validation history, and asset inventories.

Configuration Management & Change Control:

• Support and improve Configuration Management (CM) practices in alignment with DOE and industry standards.
• Maintain and update the Configuration Management Database (CMDB) to track Windows servers, desktops, and dependencies.
• Submit all changes via the OIM-approved change management system in accordance with the Change Control Review (CCR) process.
• Evaluate proposed changes for technical and cybersecurity risk, ensuring compliance with secure configuration baselines.
• Perform and document system patching, OS updates, and application upgrades in accordance with OIM policy.

Required Qualifications

• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD
• Demonstrated technical proficiency equivalent to industry-recognized certifications, such as:
  
  • Microsoft Certified: Windows Server Hybrid Administrator Associate
  • Microsoft Certified: Endpoint Administrator Associate
  • CompTIA Network or Cisco CCNA (networking fundamentals)
  • Vendor-specific certifications in firewalls, endpoint platforms, or virtualization
• Proficiency in PowerShell scripting, automation tools, and CLI-based administration.
• Strong knowledge of Active Directory, Windows Server, SCCM/Intune, and virtualization platforms.
• Ability to support Windows, macOS, and Linux endpoints as required.
• US Citizen with the ability to obtain an agency clearance

Desired Skills

• Experience with hybrid identity management (Azure AD Connect, federation, conditional access).
• Familiarity with Windows security baselines, compliance frameworks, and patch management policies.
• Strong troubleshooting skills for Windows OS, server roles, and virtualization issues.
• Excellent documentation and communication skills for technical and operational reporting.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

$80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.