Build, configure, and validate local, fielded, prototype, and low-volume production systems for multiple DoD contracts.
Install, secure, and maintain Red Hat Enterprise Linux (RHEL) systems across lab, deployment, and operational environments.
Implement cyber-compliant configurations including: DISA STIGs RMF control implementation and documentation SCAP and ACAS vulnerability scanning and remediation.
Support the design, installation, and configuration of complex systems and networks supporting customer programs.
Collaborate closely with IT staff, systems engineers, and Cyber Security personnel to ensure system integrity and compliance.
Prepare systems and documentation for fielding, deployment, and customer acceptance.
Conduct system troubleshooting, root-cause analysis, and performance optimization.
Travel occasionally to field sites, integration events, or customer facilities.
Provide occasional after-hours support during critical builds, updates, or deployment schedules.
Maintain clear and thorough documentation of system builds, configurations, compliance artifacts, and installation procedures.

Requirements

3–5 years of hands-on experience as a Linux System Administrator supporting production, lab, or deployed systems.
Strong proficiency with Red Hat Enterprise Linux, including CLI administration and system configuration.
Experience implementing DoD cybersecurity compliance, including STIGs, RMF, ACAS, and SCAP.
Demonstrated ability to support systems of varying complexity, from prototypes to operational deployments.
Experience supporting system builds for fielded or mission-critical environments.
Familiarity with networking fundamentals (routing, DNS, firewalls, SSH, VLANs).
Experience with scripting and automation (Bash, Python, or similar).
Ability to collaborate effectively with IT, Cyber Security, engineering, and program teams.
Willingness and ability to travel occasionally.
Willingness to support after-hours tasks when needed.
U.S. Citizenship required due to DoD contract requirements.
Must be able to lift 25 pounds.

Benefits

Medical, Dental & Vision Insurance
Life and Long-Term Disability (LTD)
Vision Reimbursement
Fitness Reimbursement
Company-funded 5% contribution to your 401(k) retirement plan
Company-funded 5% contribution to your Employee Stock Ownership Plan
Continuing Education Assistance
Flexible Scheduling
Paid Time Off (PTO)
Paid Parental and Bereavement Leave

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Linux System AdministrationRed Hat Enterprise LinuxCLI AdministrationSystem ConfigurationCybersecurity ComplianceSTIGsRMFACASSCAPScripting

Soft Skills

CollaborationTroubleshootingRoot-Cause AnalysisPerformance OptimizationDocumentationCommunicationTeamworkAdaptabilityProblem-SolvingWillingness to Travel