System Administrator

Red Hat Enterprise Linux (RHEL) System Administrator

DMI, LLC is seeking a RHEL System Administrator that reports to the Operations Manager. The RHEL SA will support and troubleshoot RHEL issues relating to performance and compliance at a minimum. Assists in managing all aspects of information technology (IT) system security as it applies to the Risk Management Framework. Conducts investigations in anomalies found during audit trail analysis. Assists with regular vulnerability scans, improvements, and patching of RHEL systems. Investigates and resolves RHEL problems. Uses skills, knowledge, and resources to diagnose, determine, and solve RHEL related problems. Stays current with RHEL developments. Helps prepare for IT hardware replacements and upgrades. Maintains and enforces Government computer and information security policies and procedures. Interfaces with the customer, other team members, and vendors as required. Provides support to the organizational Information Assurance team as required. Performs various administration duties as required.

Duties and Responsibilities:

• IT OS support
• IT server support
• Other IT duties as assigned

Qualifications:

• 3+ years of IT experience as a RHEL SA
• IT related Bachelor of Science Degree is desirable

Required Skills/Certifications:

• CompTIA SEC+ Certification
• RHCSA (7.X) Certification
• Ability to work in a team environment
• Ability to work with minimal supervision
• Understanding of IT operating systems/environments
• Understanding of system administration principles
• Experience with Red Hat Satellite and Ansible
• Experience with VMware and Middleware

Citizenship Status: Must be a United States Citizen

Security Clearance: Must Have a Secret Clearance

Physical Requirements: Must be able to stand for long periods of time, must be able to climb ladders, and must possess the ability to lift 40lbs items.

Location: Fort Knox, Kentucky

Working at DMI:

• Do What's Right – We lead with honesty and integrity.
• Own the Outcome – We take responsibility and deliver.
• Deliver for Our Customers – We are relentless about delivering value.
• Think Bold, Act Smart – We innovate with purpose.
• Win Together – We collaborate and celebrate our success.

These values aren't just ideals—they show up in how we support every part of your well-being:

• Convenience/Concierge – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.
• Development – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
• Financial – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
• Recognition – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
• Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.

DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

*********** No Agencies Please ***********

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.