NIH - Linux Systems Administrator

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., * Administer, configure, maintain, and optimize enterprise Linux operating systems including Red Hat Enterprise Linux (RHEL), Rocky Linux, Ubuntu, and Oracle Linux.

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

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

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

• A “disabled veteran” is one of the following:
• a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
• a person who was discharged or released from active duty because of a service-connected disability.
• A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran’s discharge or release from active duty in the U.S. military, ground, naval, or air service.
• An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
• An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.