Description
Job Summary
We are seeking a Senior Systems Administrator to provide advanced system administration, integration, and sustainment support for mission-critical applications and infrastructure supporting U.S. Space Command operations. This role includes installation, upgrades, daily operations, troubleshooting, lifecycle maintenance, and cybersecurity compliance across virtualized environments, physical servers, storage platforms, and specialized mission systems. Work is performed with minimal supervision and requires strong technical expertise and the ability to support geographically dispersed teams.
This position is contingent upon funding.
What You Will Do
Provide senior-level administration for mission systems across lab and operational environments
Support engineering teams during integration, testing, installation, PITCO, and SOVT events
Perform system installations, upgrades, patching, backups, and lifecycle maintenance
Troubleshoot hardware and software discrepancies during and after deployment
Maintain secure configurations and support RMF-aligned cybersecurity compliance activities
Implement and validate DISA STIGs within Windows Server environments
Participate in technical coordination meetings with government stakeholders, OEMs, and integration partners
Requirements
Requirements
10 years of experience managing DoD Windows Server environments
Experience deploying and troubleshooting DISA STIGs in Windows environments
Experience managing enterprise-level virtualization platforms (e.g., VMware ESXi, Dell VxRail, Nutanix HCI)
Experience implementing or managing on-premises Virtual Desktop Infrastructure (VDI) solutions (e.g., VMware Horizon, Citrix) in DoD environments
Experience managing Microsoft Group Policy Objects (GPOs)
Experience requesting and installing Public Key Infrastructure (PKI) certificates
Experience managing Microsoft SQL Server, including Always On Availability Groups
Experience installing, configuring, and hardening Windows 10 and/or Windows 11
Active DoD 8570 Level II certification (e.g., Security+ CE or equivalent)
U.S. Citizenship required
Active U.S. Government Top Secret / SCI clearance required
Desired Qualifications
Bachelor’s degree in a related discipline (or additional experience in lieu of degree)
Experience implementing vendor best practices and technical design documentation
Experience managing Microsoft 365 and Microsoft Configuration Manager
Experience administering Amazon Web Services (AWS) environments
Experience managing DoD Host Based Security System (HBSS)
Experience configuring Axway Tumbleweed and OCSP solutions
Experience managing advanced DHCP configurations (Windows Failover Cluster, Infoblox)
Experience supporting operational DoD environments such as Combatant Commands or Joint Operations Centers
Experience designing and implementing VDI environments
Experience configuring load balancers (NetScaler, F5) and Global Server Load Balancing (GSLB)
Experience managing Trusted Thin Client solutions
Experience deploying and managing Nutanix clusters and hypervisors
Strong automation skills using Microsoft PowerShell
Advanced understanding of networking concepts (routing, switching) and packet analysis tools (tcpdump, Wireshark, Fiddler)
Advanced understanding of the OSI model
Experience managing DNS concepts, including zone delegation and service records
Experience managing Service Principal Names (SPNs)
Exceptional organizational and communication skills
