Job Description :
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
             

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