Linux Engineer

Electrosoft Services, LLC is an award-winning company that provides comprehensive technology‑based solutions and services to federal customers. While cybersecurity is our specialty, we also focus on ICAM, Zero Trust, digital engineering and transformation, and enterprise AI and intelligent automation. We always seek to delight our customers, so we retain highly qualified employees and offer them meaningful work, growth opportunities, and work‑life balance.

We are seeking a highly skilled and experienced Systems Administrator – Linux (Red Hat Enterprise Linux) to support a mission‑critical federal program. The ideal candidate will have deep expertise in Red Hat Enterprise Linux, scripting, automation, and networking, and will play a key role in designing, implementing, maintaining, and optimizing Linux environments.

• Design, implement, maintain, and troubleshoot Red Hat Enterprise Linux Server environments (v8/v9).
• Perform administration and O&M tasks from the command line.
• Manage task automation using tools like Ansible and RHEL Satellite.
• Handle package management across geographically dispersed environments.
• Configure and manage NFTables, Firewalld, IPTables, ISC2 BIND DNS, TCP/IP, IPv4/IPv6, Postfix/SMTP Relay.
• Administer Linux Server Clustering, NFSv3/NFSv4, PXE boot, and SELinux.
• Support Mirantis Container Runtime (formerly Docker), AWS, and Git Lab.
• Maintain detailed documentation for system designs, configurations, processes, and service records.
• Collaborate with cross‑functional teams to support IT infrastructure projects.
• Lead and mentor junior team members.
• Troubleshoot and resolve LAN/WAN connectivity and performance issues.
• Ensure compliance with security hardening standards (CIS, NIST SP 800‑53 Rev. 5, DISA STIGs).

• Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, or related field (or equivalent combination of education and experience).
• 10+ years of experience with Linux/UNIX systems and interoperability with Windows.
• Current Red Hat certification (e.g., RHCSA, RHCE, or RHCA).
• Experience with Ansible, RHEL Satellite, and other automation tools.
• Familiarity with Mirantis Container Runtime, AWS, and Git Lab.
• Excellent problem‑solving, communication, and documentation skills.
• Ability to work independently and collaboratively in a team environment.
• On‑call requirement: participation in a 24/7/365 on‑call rotation.

$125,000 – $140,000 USD

Electrosoft is an Equal Opportunity Employer/Veterans/Disabled. As set forth in Electrosoft’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.