Sr Systems Administrator

Scientific Research Corporation • Colorado Springs, CO

13d • $132,250 - $220,400 • Onsite

About The Position

The Senior Systems Administrator provides senior-level system administration, integration, and sustainment support for mission-critical applications and systems supporting United States Space Command. This role performs installation, upgrades, daily operations, backups, troubleshooting, and lifecycle maintenance across virtualized environments, physical servers, storage systems, and specialized mission applications. Work is performed with minimal supervision and requires advanced technical expertise, strong communication skills, and the ability to support geographically dispersed customers and engineering teams.

Requirements

• 10+ years managing a Department of Defense (DoD) Windows enterprise environment, leading technical operations, and authoring process documentation.
• Hands-on administration of Nutanix HCI environments and/or Citrix CVAD (Virtual Apps & Desktops) deployments, alongside general enterprise virtualization (e.g., VMware ESXi, Dell VxRail) and VDI ecosystems.
• Advanced management of Microsoft Group Policy Objects (GPOs), software/patch management (WSUS, MECM, SCCM), SQL Server (Always On availability groups), and air-gapped enterprise licensing.
• Deploying DISA STIGs, hardening Windows 10/11 endpoints, and managing Public Key Infrastructure (PKI) certificates.
• Engineering desktop deployment solutions (selecting and installing peripherals/KVMs), supporting C4IT facility procurement, and the physical ability to handle and lift up to 50 lbs of hardware.
• Strong understanding of OSI model, routing/switching, packet analysis (Wireshark, tcpdump), and experience configuring mainstream load balancers (F5, NetScaler) and Global Server Load Balancing (GSLB).
• Ability to research and translate vendor white papers and industry best practices into scalable system designs, paired with strong technical communication skills.
• Active DoD 8570 IAT Level II (e.g., Security+ CE, CCNA Security) and a professional-level VDI administration certification.
• U.S. Citizenship
• U.S. Government security clearance at the TOP SECRET / SCI level.

Nice To Haves

• Bachelor's degree in a related discipline (or equivalent experience)
• Experience supporting high-tempo operational DoD environments (e.g., COCOMs, Joint Operations Centers, or Service Branch enterprise networks).
• Experience administering Amazon Web Services (AWS) environments
• Experience fielding Microsoft 365 solutions.
• Experience managing DoD Host Based Security System (HBSS)
• Configuring Axway Tumbleweed/OCSP solutions
• Managing Cross-Domain Solutions like Everfox (Forcepoint/Raytheon) Trusted Thin Client.
• Proficiency in PowerShell automation
• Managing advanced DNS/DHCP configurations (Infoblox or Windows Failover Cluster)
• Managing Service Principal Names (SPNs).

Responsibilities

• Supporting system administration for United States Space Command mission systems, including lab environments and operational sites
• Assisting engineering teams during software integration, testing, PITCO, SOVT, and installation events
• Providing troubleshooting and technical support for hardware/software discrepancies identified during installation or after
• Supporting secure system configurations, cybersecurity compliance, and RMF-aligned hardening activities
• Assisting with activities for United States Space Command’s transition to Red Stone Arsenal
• Participating in technical meetings with NIWC Pacific, United States Space Command, OEMs, and contracting partners

Benefits

• medical
• dental
• vision plans
• 401(k) with a company match
• life insurance
• vacation and sick paid time off accruals with amounts increasing based on role and years of service
• 11 paid holidays
• tuition reimbursement

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree