System Administrator - TS/SCI Poly required with Security Clearance

Location: Annapolis Junction, MD
Clearance Required: TS/SCI with Polygraph
Telework: Based on tasking

About the Role We’re seeking a highly experienced System Administrator with strong, quantifiable Linux system administration expertise. In this role, you’ll support a wide range of IT systems across multiple environments, working with modern automation tools, hyperconverged infrastructure, and container‑based technologies. You’ll join a mission‑focused team where your technical depth, troubleshooting skills, and ability to keep systems running smoothly will make a direct impact every day. What You’ll Work On

• Implementing, troubleshooting, and maintaining IT systems across diverse environments
• Providing Tier 1 and Tier 2 support, including problem identification, diagnosis, and resolution
• Managing daily configuration and operations of IT systems
• Assisting users with system access and usage
• Monitoring and resolving issues across client/server, storage, network, and mobile devices
• Escalating and communicating system status to management and internal customers
• Optimizing system operations, resource utilization, and capacity planning
• Performing in‑depth troubleshooting and analysis for complex IT issues
• Supporting dispatch and hardware problem resolution
• Configuring and managing UNIX and Windows operating systems
• Installing, maintaining, and enhancing operating system software and network components
• Supporting system and mission architecture design
• Applying knowledge of system administration interdependencies within a Service‑Oriented Architecture (SOA)
• Analyzing and resolving complex server hardware, application, and integration issues Required Technical Skills
• Strong, hands‑on Linux System Administration experience
• Ansible scripting and automation
• Some Windows System Administration
• Experience with:
• ProxMox
• Centrify
• Harvester
• Rancher
• Kubernetes / Docker
• Hyperconverged Infrastructure (HCI) solutions such as:
• Azure Stack HCI
• Cisco HyperFlex
• DataCore SANsymphony
• Dell VxRail
• HPE SimpliVity
• Nutanix HCI
• NetApp HCI
• Scale Computing Platform Qualifications
• 15+ years of System Administration experience supporting programs of similar scope and complexity
• Bachelor’s degree in a technical discipline
• Five additional years of SA experience may be substituted for the degree
• IAT Level II certification (per DoD 8570.01‑M)