Sr. System Engineer SME with Security Clearance

Location: Pentagon, Arlington, VA Clearance: Active Top Secret (TS) REQUIRED Certification: DoD 8140/8570 IAT Level II or Above REQUIRED Position Overview Global Enterprise Services, LLC (GES) is seeking a Senior Systems Engineer (SME) to serve as the technical authority for enterprise systems infrastructure supporting mission-critical Department of Defense (DoD) operations at the Pentagon. Key Responsibilities · Serve as SME for Windows Server (2008R2–2016) and Windows 7/10 environments · Administer Active Directory, DNS, DHCP, WSUS, SCCM, and enterprise tools · Support VMware ESX/vSphere environments and SAN infrastructure · Perform system implementation, integration, and lifecycle management · Maintain system performance with a 98% uptime target · Develop system documentation, SOPs, and architecture diagrams · Ensure compliance with DoD STIGs, patching, and cybersecurity requirements · Utilize ACAS for vulnerability tracking and compliance · Support RMF (DIARMF) processes · Provide advanced troubleshooting and Tier III support Required Qualifications · Bachelor's degree in Computer Science, Information Systems, Engineering, or related field · 7+ years of experience in systems engineering · Strong knowledge of Microsoft enterprise environments · Experience with VMware virtualization technologies · Experience supporting DoD cybersecurity frameworks