Linux System Administrator Freelance Jobs in Michigan

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Required Travel: 0 - 10%

Employment Type:Full Time/Salaried/Exempt

Anticipated Salary Range:$65,592.00-$90,000.00

Security Clearance:Ability to Obtain

Level of Experience:MidHI

This opportunity resides with 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.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.

HII Mission Technologies has been selected as one of Military.com'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.

Position Summary:

HII Mission Technologieshas an immediate opportunity available for a Linux System Administrator/DevOps Engineer (Infrastructure Operations) located in Warren, MI. The ideal candidate will have experience administering Red Hat Enterprise Linux (RHEL) systems in a DoD RMF environment. The System Admin will build, operate, and automate Linux-based infrastructure that supports software development, build, and testing environments and maintain system integration lab infrastructure while automating repetitive operational work

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

Come support our work with Ground Vehicle Systems Center and join a high-performing team of engineers!

Details Below!

• Document infrastructure
• Debug complex systems interactions
• Own end to end infrastructure
• Containers and Dev Environments
  • Build and maintain container images
  • Debug containerized applications
  • Support build/test pipelines using containers
  • Understanding of container networking and storage
• Automation & Infrastructure as Code
  • Write and maintain playbooks and roles
  • Build idempotent infrastructure automation
  • Automate operational tasks and diagnostics
• Troubleshoot performance, service failures, and networking issues

• 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.
• Practical experience with Docker or OCI container ecosystems
• Experience administering Linux systems in production or engineering environments
• Strong experience with Linux system administration from the command line
• Strong hands-on experience administering enterprise Linux distributions (e.g., Ubuntu, RHEL, Rocky, Debian)
• Hands-on experience with Ansible automation
• Experience writing automation scripts in Bash and/or Python
• Familiarity with Git-based workflows for infrastructure code
• Experience troubleshooting system, networking, and service-level issue
• Expereince managing systems via CLI without reliance on GUI tools
• Experience with: systemd, networking configuration, storage and file systems, package management, SHH and secure remote administrators
• Needs to be able to be certified as an admin for Linux based on DoD requirements
• Ability to obtain and maintain a secret security clearance with the US DoD (must be a US citizen in order to obtain a clearance with the US Gov)

• A secret security clearance with the US DoD
• Strong troubleshooting and root-cause analysis skills
• A mindset focused on automation and repeatability
• Comfort operating independently with minimal supervision
• Ability to collaborate effectively with software engineers
• A practical, hands-on approach to building and maintaining infrastructure
• Experience with AWS and deploying using terraform is a positive but not required
• Experience with Kubernetes is a plus but not required

• Adequate visual acuity and manual dexterity for meeting the requirements of the Systems Analyst discipline.

The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Find the role that’s right for you. To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072
HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.
Why HII
We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.
Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.
Do You Need Assistance?
If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.