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# NIH - Linux Systems Administrator

- **Company:** cFocus Software Incorporated
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Active Directory, Application Lifecycle Management, Systems Engineering, Bash Shell, Ubuntu (Operating System), Cloud Computing, Configuration Management, Software Documentation, CompTIA Security+, Cyber Security, Linux, Disaster Recovery, Python (Programming Language), Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), Linux Servers, Network Segmentation, Role-Based Access Control, Red Hat Enterprise Linux, Ansible, Zero Trust Network Access, Oracle Linux, Virtualization Technology, Information Technology, CIS Benchmarks
- **Published:** July 3, 2026
- **Apply:** http://cfocussoftware.applytojob.com/apply/jobs/details/VXY0h0gJRC

## About the Role

* 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)

## Description

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.


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