Linux Systems Administrator

About This Role

This role involves providing Linux systems administration expertise, particularly with Red Hat Enterprise Linux, within a secure, classified environment. The administrator will support mission-critical infrastructure, assist government customers, and automate processes to enhance efficiency in data center operations.

Responsibilities

• Provide strong expertise in Red Hat Enterprise Linux environments, managing physical and virtual infrastructure in data center settings
• Serve as a customer-facing administrator, assisting users with technical issues professionally
• Build, maintain, update, and retire virtual, physical, and cloud-based Red Hat (and supporting Windows) hosts
• Perform hardware/asset management, server and workstation deployment, and create automation solutions (scripting, Ansible)
• Maintain and support Enterprise Storage systems (e.g., IBM ESS or similar)
• Provision, adjust, or tear down project resources including Kubernetes namespaces and hosts
• Execute data center tasks such as equipment inventory, racking, cabling, and hardware troubleshooting
• Maintain hardware across workstations, servers, Enterprise Storage Arrays, and network equipment, including fault identification and repair coordination
• Coordinate major activities like data center disruptions with clear communication to users and Government Points of Contact (GPOCs)
• Support installation, updating, troubleshooting, and removal of specialty applications, services, and systems
• Install, implement, maintain, and update security controls to sustain required security posture and support Authority to Operate (ATO)
• Produce clear, usable documentation for internal teams and customers (procedures, runbooks, guides)
• Collaborate effectively with cross-functional teams to ensure high availability, performance, and compliance

Requirements

• 5 years of relevant Linux systems administration experience
• Strong expertise in Red Hat Enterprise Linux (RHEL) administration (installation, configuration, patching, troubleshooting, performance tuning in physical/virtual environments)
• Hands-on experience with data center operations, hardware management (racking, cabling, troubleshooting), and server/workstation deployment
• Demonstrated scripting/automation skills (e.g., Bash, Ansible, or similar)
• Excellent documentation and communication skills
• Active TS/SCI with CI Polygraph
• DoD 8570/8140 compliant certification (e.g., CompTIA Security+, or equivalent IAT Level II)
• U.S. Citizenship

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent combination of education and experience)
• 5 years of relevant Linux systems administration experience

Nice to Have

• Experience with Enterprise Storage (e.g., IBM ESS, NetApp, or similar)
• Familiarity with Kubernetes/OpenShift, virtualization platforms (e.g., VMware), and Windows Server administration in hybrid environments
• Red Hat Certified System Administrator (RHCSA) or equivalent certification
• Prior experience in classified/secure environments supporting IC/DoD missions
• Knowledge of security controls implementation (e.g., STIGs, RMF processes)

Skills

* Required skills

Certifications