System Administrator

Windows System Administrator

Location: Washington DC

Industry: Dept. of Defense / Cybersecurity

Salary: $100k-$135k

Employment Type: Permanent Placement

Clearance: Active Top Secret clearance with SCI Eligibility Required

Schedule: Monday to Friday, 8am to 5pm

Summary:

We are actively searching for a skilled Microsoft Systems Engineer to support the engineering and sustainment of secure Windows-based infrastructure within high-security environments. This role focuses on the modernization and remediation of network systems that directly enable Department of Defense (DoD) and Department of Navy (DoN) operations. The successful candidate will work hands-on with critical systems designing, deploying, and maintaining resilient Windows environments across classified networks.

Requirements:

• Active Top Secret clearance required
• Bachelor s or Master s degree in Cybersecurity, Information Technology, Computer Science or related engineering field preferred
• Security+, CASP+, or equivalent DoD 8570 IAT II or III certification(s) required
• MCSA, MCSE, or equivalent Windows Server certification required
• Familiarity with DoD IT environments, classified systems, and network segmentation required
• Strong experience with Windows Server environments (2016/2019/2022)
• Experience managing virtualized environments using VMware vSphere, Hyper-V, or Azure Stack
• Experience with Active Directory, Group Policy Objects (GPOs), DNS, DHCP,
• Experience with automation tools such as Ansible, Terraform, or SSCM

Responsibilities:

• Design, deploy, and maintain Windows Server environments (2016/2019/2022) aligned with DoD architecture and security standards.
• Engineer and manage Active Directory, Group Policy Objects (GPOs), DNS, DHCP, and certificate services in classified and unclassified networks.
• Implement and maintain systems in compliance with DoD STIGs, RMF, and IAVM requirements.
• Harden Windows systems and services to meet DISA baselines and support ATO processes.
• Support vulnerability scanning and remediation using tools such as ACAS, Nessus, or SCAP Compliance Checker.
• Develop and maintain PowerShell scripts; experience with automation tools such as Ansible, Terraform, or SCCM.
• Support DevSecOps pipelines and infrastructure deployment in classified cloud or on-prem environments.
• Provide Tier 2/3 support for Windows-based systems, including domain controllers, virtual machines, and file servers.
• Conduct patching, system upgrades, and performance tuning across environments.
• Manage virtualized environments using VMware vSphere, Hyper-V, or Azure Stack.
• Support hybrid cloud deployments and DoD cloud platforms (e.g., IL5/IL6).
• Experience with cloud computing (PaaS, IaaS, SaaS) in Microsoft Azure, AWS, and Google Cloud.
• High-level understanding of Windows 10 OS, Microsoft Office (2019/365), and VMware ESXi.
• Collaborate with cybersecurity, network, and mission teams to ensure secure and resilient infrastructure.
• Participate in disaster recovery, COOP planning, and support for classified enclaves.
• Additional duties as assigned.

EOE/ADA

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SRG Government Services is a leading provider of information technology, training, engineering, accounting and intelligence analytical services for agencies in the intelligence, defense, homeland security, cyber security, and federal civilian markets. SRG utilizes an innovative approach to identify and qualify talent that is unique to the federal contracting industry, featuring a cutting edge platform that allows us to rapidly and precisely match professionals to client requirements. We have a proprietary database of over one million candidates and maintain continuous contact with our qualified talent.

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