​​​​​cFocus Software seeks a Linux Systems Administrator / Systems Engineer 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 related field
• 5+ years of Linux systems administration and systems engineering experience.
• Experience administering enterprise Linux environments.
• Experience supporting cybersecurity infrastructure or Continuous Monitoring programs.
• Experience performing Linux security hardening and patch management.
• Experience supporting Federal or enterprise IT environments.
• Preferred certifications: RHCSA, RHCE, LPIC-2, LPIC-3, Linux+

Duties:

• Install, configure, administer, and maintain Red Hat Enterprise Linux (RHEL), Rocky Linux, Oracle Linux, Ubuntu, and other enterprise Linux operating systems.
• Perform lifecycle management of Linux servers supporting enterprise cybersecurity platforms.
• Configure system services, storage, networking, authentication, and security controls.
• Perform operating system hardening in accordance with DISA STIGs, CIS Benchmarks, and NIH security requirements.
• Manage user accounts, privileged access, and authentication services.
• Maintain system availability while minimizing operational downtime.
• Operating and maintaining Linux infrastructure supporting CDM scanning capabilities.
• Supporting continuous asset discovery and inventory management.
• Maintaining configuration monitoring capabilities.
• Supporting vulnerability management operations.
• Monitoring enterprise security posture across on-premises and cloud environments.
• Supporting NIH's transition to an Ongoing Authorization (OA) security model.
• Working with technical points of contact to mature CDM capabilities throughout the enterprise.
• Ensuring continuous visibility into managed systems and security configurations.
• Engineer, deploy, configure, and optimize Linux server environments supporting cybersecurity operations.
• Build secure server images and standardized Linux baselines.
• Automate system administration tasks using scripting and configuration management tools.
• Support virtualization and cloud-hosted Linux environments.
• Integrate Linux servers with enterprise identity and authentication services.
• Perform capacity planning, system tuning, and performance optimization.