Linux and OpenShift Administrator, Senior

OverviewBowhead is seeking a Senior Linux and OpenShift Administrator to provide senior-level administration, engineering, and operational support for Linux-based enterprise systems and container platforms, including Red Hat OpenShift, supporting mission-critical government and DoD programs. Serve as a technical authority for Linux infrastructure, container orchestration, automation, and secure system operations in classified and unclassified environments.This position is 100% onsite.Responsibilities• Install, configure, administer, and maintain Linux operating systems (RHEL, CentOS, Rocky, or equivalent) across physical, virtual, and containerized platforms.• Deploy, configure, administer, and sustain Red Hat OpenShift clusters, including control plane and worker nodes, storage integration, networking, and platform upgrades.• Support containerized workloads using Kubernetes and OpenShift, including image lifecycle management, registry integration, role-based access control (RBAC), and namespace management.• Perform system hardening, patching, and vulnerability remediation in accordance with DoD STIGs, RMF, and cybersecurity requirements, including container security best practices.• Support and maintain virtualized and hyper-converged infrastructure (VMware ESXi) hosting Linux and OpenShift environments.• Develop and maintain automation and Infrastructure-as-Code (IaC) solutions using Ansible, Bash, Python, and CI/CD integrations to accelerate platform provisioning and consistency.• Monitor system, cluster, and application performance; troubleshoot complex Linux, Kubernetes, and OpenShift-related issues across development, test, and production environments.• Implement and maintain logging, monitoring, and alerting solutions for Linux systems and OpenShift clusters.• Support backup, recovery, and disaster recovery solutions for Linux systems, container platforms, and persistent storage.• Collaborate with cybersecurity, networking, DevSecOps, SOC/NOC, and application teams to ensure secure, resilient, and compliant operations.• Develop and maintain technical documentation including build guides, SOPs, platform architecture diagrams, and configuration baselines.• Participate in security assessments, audits, inspections, and Authority to Operate (ATO) activities.• Provide mentorship and technical leadership to junior Linux and container platform administrators.• Provide technical briefings and system status updates to program leadership and government stakeholders as required.• The Senior Linux & OpenShift Systems Administrator reports to the Program Manager or IT Lead.• Other duties as assigned.Qualifications• Bachelor's degree in Computer Science, Information Technology or a related field.• Seven plus (7+) years of experience as a System Administrator with a strong focus on Linux systems.• Senior-level administration of Linux enterprise environments• Hands-on experience with Red Hat OpenShift and Kubernetes• Container platform security, RBAC, and compliance implementation• Scripting and automation (Ansible, Bash, Python)• Virtualization and enterprise infrastructure support• Experience supporting mission-critical or classified systems• Strong troubleshooting, documentation, and communication skills• Ability to work independently and lead technical effortsCertifications:• Comp TIA Sec• Red Hat Certified Engineer (RHCE)• Red Hat Certified Architect (RHCA)Preferred Qualifications:• Experience in DoD, classified, or SAP environments• DevSecOps and CI/CD pipeline integration experience• LPIC-2 & LPIC-3 (Linux Professional Institute)• Linux Foundation Certified Engineer (LFCE)• Certified Kubernetes Administrator (CKA)• GIAC Certified UNIX Security Administrator (GCUX)SECURITY CLEARANCE REQUIREMENTS: Must currently hold a security clearance at the minimum Secret level.Physical Demands:• Ability to work in data centers, secure facilities, and operational environments• Must be able to lift up to 25 pounds• Must be able to stand and walk for prolonged amounts of time• Must be able to twist, bend and squat periodically#LI-MN1Applicants may be subject to a pre-employment drug & alcohol screening and/or random drug screen, and must follow UIC’s Non-DOT Drug & Alcohol Testing Program requirements. If the position requires, an applicant must pass a pre-employment criminal background history check. All post-secondary education listed on the applicant’s resume/application may be subject to verification.Where driving may be required or where a rental car must be obtained for business travel purposes, applicants must have a valid driver license for this position and will be subject to verification. In addition, the applicant must pass an in-house, online, driving course to be authorized to drive for company purposes.UIC is an equal opportunity employer. We evaluate qualified applicants without regard to race, age, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other protected characteristics EOE/D/V. In furtherance, pursuant to The Alaska Native Claims Settlement Act 43 U.S.C. Sec. 1601 et seq., and federal contractual requirements, UIC and its subsidiaries may legally grant certain preference in employment opportunities to UIC Shareholders and their Descendants, based on the provisions contained within The Alaska Native Claims Settlement Act. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. Please view Equal Employment Opportunity postershere (.All candidates must apply online at , and submit a completed application for all positions they wish to be considered. Once the employment application has been completed and submitted, any changes to the application after submission may not be reviewed. Please contact a UIC HR Recruiter if you have made a significant change to your application. In accordance with the Americans with Disabilities Act of 1990 (ADA), persons unable to complete an online application should contact UIC Human Resources for assistance .The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c)UIC Government Services (UICGS / Bowhead) provides innovative business solutions to federal and commercial customers in the areas of engineering, maintenance services, information technology, program support, logistics/base support, and procurement. Collectively, the fast-growing Bowhead Family of Companies offers a breadth of services which are performed with a focus on quality results. Headquartered in Springfield, VA, we are a fast-growing, multi-million-dollar company recognized as a top Alaska Native Corporation providing services across the Department of Defense and many federal agencies. Bowhead offers competitive benefits including medical, dental, vision, life insurance, accidental death and dismemberment, short/long-term disability, and 401(k) retirement plans as well as a paid time off programs for eligible full-time employees. Eligible part-time employees are able to participate in the 401(k) retirement plans and state or contract required paid time off programs.Join our Talent Community!Join our Talent Community (to receive updates on new opportunities and future events.ID 2026-24660Category Information TechnologyLocation : Location US-CA-CoronaMin USD $120,000.00/Yr.Max USD $155,000.00/Yr.Minimum Clearance Required SecretTravel Requirement Less than 10%

Created: 2026-03-04