Job Title: SME Linux Administrator (SE Linux / HPC)
Location: Springfield, VA (100% Onsite)
Clearance: Active TS/SCI with CI Poly (Mandatory)
Job Summary: We are working with a Global Government Defense Contractor seeking a highly experienced SME Linux Administrator to support an enterprise MLS environment within a High Performance Computing (HPC) program. The role involves working extensively with Red Hat Enterprise Linux (RHEL), SE Linux (MLS/MAC), automation, and secure system configurations supporting mission-critical environments.
Key Skills Required:
- Strong expertise in RHEL and SE Linux (MLS, MAC, policy configuration, debugging)
- Experience with HPC environments and technologies (CSCF preferred)
- Proficiency in Bash/Expect scripting and automation tools like Ansible
- Experience with Satellite Server, patching, and custom kernel builds
- Strong troubleshooting skills including Linux kernel debugging (crash, systemtap)
- Experience with LDAP, identity management, and secure networking
- Familiarity with InfiniBand, RDMA, Lustre/NFS, and high-speed fabrics
Responsibilities Include:
- Developing and managing SE Linux MLS configurations
- Automating deployments and maintaining system security compliance (RMF, RTB)
- Supporting HPC performance and infrastructure optimization
- Collaborating with DevSecOps, Security, and Architecture teams
- Troubleshooting and resolving system and configuration issues