Windows System Administrator

The Windows System Administrator maintains and supports the organization’s Windows Server and Windows desktop environments, with additional responsibility for onsite deskside support. This role manages Active Directory, Group Policy, patching, system monitoring, and Tier II/III troubleshooting while also providing hands on support for end user devices, peripherals, and workstation level issues. The ideal candidate is comfortable working across servers, desktops, and user-facing technologies to ensure stable, secure, and reliable IT operations. The Windows Desktop/Server Administrator will provide support across the Office of Information Management (OIM) and Office of Science (OSC) mission systems.

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.

Deskside Support & End-User Services
• Provide onsite deskside support for desktops, laptops, and peripherals.
• Diagnose and resolve issues involving hardware failures, OS problems, application errors, and network connectivity.
• Support workstation imaging, deployment, and lifecycle management.
• Assist users with printers, scanners, docking stations, monitors, and other peripherals.
• Handle new‑hire workstation setups, equipment moves, and user onboarding/offboarding tasks.
• Deliver clear, customer‑focused communication when resolving issues or explaining technical concepts.

 

Monitoring & Availability Management
• Monitor system health, performance, and capacity using approved tools.
• Identify and resolve system bottlenecks, outages, and service failures.
• Maintain accurate documentation of system configurations, SOPs, and operational procedures
• Participate in incident response, root cause analysis, and long‑term remediation planning.

 

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

• 9 years with HS; 7 years with AA; 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.

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.