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Linux Systems Administrator / Systems Engineer

Remote
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AI Summary

cFocus Software seeks a Linux Systems Administrator / Systems Engineer to support NIH cybersecurity infrastructure. This role requires 5+ years of enterprise Linux administration experience and public trust clearance. Key responsibilities include Linux security hardening, patch management, and supporting NIH's Ongoing Authorization security model.

Key Highlights
Public Trust Clearance required
5+ years enterprise Linux administration experience
Support NIH cybersecurity infrastructure and CDM capabilities
Perform Linux security hardening per DISA STIGs and CIS Benchmarks
Key Responsibilities
Install, configure, administer, and maintain Red Hat Enterprise Linux, 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
Operate and maintain Linux infrastructure supporting CDM scanning capabilities
Support continuous asset discovery and inventory management
Maintain configuration monitoring capabilities
Support vulnerability management operations
Monitor enterprise security posture across on-premises and cloud environments
Support NIH's transition to an Ongoing Authorization (OA) security model
Work with technical points of contact to mature CDM capabilities throughout the enterprise
Ensure 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
Technical Skills Required
Linux systems administration Linux security hardening Patch management System automation
Benefits & Perks
Fully remote work
Public Trust Clearance
Nice to Have
RHCSA
RHCE
LPIC-2
LPIC-3
Linux+

Job Description


​​​​​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.

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