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Peraton · 3 weeks ago

Windows Desktop/Server Administrator

Oak Ridge, TN

Full-time

Onsite

Senior Level

$80K/yr - $128K/yr

5+ years exp

Peraton is a next-generation national security company that drives missions of consequence. The Windows Desktop/Server Administrator will provide Tier III IT operations support, focusing on the administration and maintenance of Windows-based servers and desktops while ensuring service availability, performance, and security.

Information TechnologyRobotics

No H1B

U.S. Citizen Only

Responsibilities

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

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

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

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

Qualification

Windows Server AdministrationActive Directory ManagementSCCM/IntuneVirtualization TechnologiesPowerShell ScriptingNetwork FundamentalsHybrid Identity ManagementTroubleshooting SkillsDocumentation SkillsCommunication Skills

Required

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