Red Hat Systems Admin; Systems Administrator

Requisition Number: 28264

Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt

Anticipated Salary Range: $65,592.00 - $95,000.00

Security Clearance:
Ability to Obtain

Level of

Experience:

Mid HI

This opportunity resides with All-Domain Operations (ADO), a business group within HII's Mission Technologies division. All-Domain Operations comprises multi-domain operations, platforms and logistics, and intelligence operations.

HII designs, develops, integrates and manages the sensors, systems and other assets necessary to support integrated ISR operations and accelerated decision-making. With data fusion and mission management capabilities for the Department of Defense, the combatant commands and the intelligence community, HII advances the mission around the globe.

Leadership At HII Is a Mindset, Not a Title. Through Our Leadership Capability Framework, We Define How Every Team Member Contributes To Our Mission And Culture

• Know & Grow Your People – Commit to learning and supporting team success.
• Build Relationships – Communicate openly, collaborate well, and build trust.
• Take Ownership – Deliver on commitments and take pride in your work.
• Customer First – Focus on the mission and those we serve.
• Shape the Future – Bring ideas, curiosity, and continuous improvement.
• Act with Urgency – Take initiative and follow through with purpose.

HII Mission Technologies has been selected as one of 's "Top 25 Employers for Veterans in 2024" and a Forbes Best Large Employer for 2023.

Are you ready to take your career to the next level? We are seeking a skilled and motivated Red Hat System Administrator to join our team.

HII Mission Technologies has an immediate opportunity available for a Red Hat System Administrator located in Warren, MI. The ideal candidate will have experience administering Red Hat Enterprise Linux (RHEL) systems in a DoD RMF environment, with a strong focus on automation using Ansible, system hardening, and secure infrastructure operations.

This role requires on-site work in Warren, MI and cannot be performed remotely.

• Install, configure, and maintain Red Hat Enterprise Linux (RHEL) systems across lab and enterprise environments
• Develop, maintain, and execute Ansible playbooks and roles to automate system configuration, patching, and deployment
• Automate compliance enforcement for STIGs and RMF controls using Ansible and scripting tools
• Perform system patching, updates, and vulnerability remediation to maintain ATO compliance
• Administer user access, authentication, and permissions using centralized identity solutions
• Monitor system performance, logs, and availability using tools such as Elastic (ELK Stack) and native Linux utilities
• Troubleshoot system issues related to OS, storage, networking, and application performance
• Support integration of Linux systems within secure lab environments and TDREN architecture
• Conduct system audits and ensure adherence to security baselines and operational procedures
• Coordinate with network, cybersecurity, and engineering teams to support mission requirements
• Maintain system documentation, configurations, and standard operating procedures
• Perform additional duties as assigned

• 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.
• Experience administering Red Hat Enterprise Linux (RHEL) systems
• Hands‑on experience with Ansible for automation, configuration management, and system provisioning
• Knowledge of RMF, STIGs, and A&A processes in a DoD environment
• Familiarity with system monitoring and log analysis tools such as Elastic (ELK Stack)
• Understanding of Linux networking, storage, and system services
• At least one DoD 8570 certification (Security+, CISSP, CASP, CISM, etc.)
• Clearance:
  Ability to obtain and maintain a SECRET clearance with the US Government
  • US Citizenship is a required to receive a secret clearance with the US Government

• 5+ years experience administering enterprise Linux environments
• A…