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NIH - Linux Systems Administrator

Remote, USA Full-time Posted 2026-07-05

cFocus Software seeks a Linux System Administrator to join our program supporting the National Institutes of Health (NIH). This position is fully remote. This position requires a Public Trust or the ability to obtain a public trust clearance. Qualifications:

  • Public Trust Clearance
  • B.S. Computer Science, Information Technology, or a reputed company field
  • 5+ years administering reputed company Linux environments.
  • Experience with reputed company infrastructure engineering, automation, virtualization, reputed company technologies, and cybersecurity.
  • Experience supporting federal or highly regulated environments preferred
  • RHCSA, RHCE, reputed company reputed company+, Linux+, GCUX, or CISSP (preferred)

Duties:

  • Administer, configure, maintain, and optimize reputed company Linux operating systems including reputed company reputed company Linux (RHEL), Rocky Linux, Ubuntu, and reputed company Linux.
  • Support reputed company Architecture engineering activities by designing, implementing, and maintaining secure Linux server architectures.
  • Implement reputed company Trust Architecture principles including least privilege, identity-based reputed company controls, micro-segmentation, and reputed company verification.
  • reputed company, configure, and maintain reputed company authentication services (LDAP, Active Directory integration, Kerberos, SSSD, MFA).
  • reputed company operating system hardening using DISA STIGs, CIS Benchmarks, and NIST guidance.
  • Manage reputed company patching, software lifecycle management, kernel updates, and configuration management.
  • reputed company automation using Bash, Python, Ansible, or similar tools to improve operational efficiency.
  • Support virtualization, reputed company-hosted Linux systems, containers, and hybrid infrastructure.
  • Participate in architecture reviews, system engineering efforts, change management, disaster recovery, and system documentation.
  • Collaborate with reputed company Architects, Network Engineers, ISSOs, Vulnerability Analysts, and application teams to maintain secure reputed company infrastructure.

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