Senior Linux & Kubernetes Administrator — Laurel, MD

Job Description

5pRs3bZ is seeking a Senior Linux & Kubernetes Administrator with an active TS/SCI Clearance with Polygraph in Laurel, Maryland.

This role supports a high-visibility mission environment and a software development and engineering project focused on preparing a system for production. The position involves Linux systems administration and engineering support within a Kubernetes-based environment, including container technologies and associated tooling.

Job Responsibilities

• Provide Linux systems administration and engineering support within a mission-focused environment.

• Administer and support Linux systems, including CentOS and Red Hat Enterprise Linux (RHEL).

• Support Kubernetes-based environments, including associated tooling and container technologies.

• Provide technical support to a software development and engineering project as it progresses toward production readiness.

Minimum Requirements

• Active TS/SCI Clearance with Polygraph required.

• Minimum of ten (10) years of Linux systems administration or engineering experience.

• Experience administering Linux environments, including CentOS and Red Hat Enterprise Linux (RHEL).

• Experience with Kubernetes (K8s), including Kubernetes tooling and container fundamentals.

• Experience with Bash scripting.

• Active CompTIA Security+ certification.

Desired Skills

• Red Hat certification.

• Experience with high-side or classified networking environments.

• Experience with Python, Ansible, Salt, and VMware.

• Experience with Agile methodologies and DevOps practices.

• Knowledge of key management and encryption technologies.

• Experience with storage, networking, security compliance, authentication, and physical server administration.

• Current or recently held SYS3 PRIVAC access level.

Work Schedule

• Monday–Friday schedule with availability to support team coverage between 6:00 AM and 6:00 PM.

Why Join 5pRs3bZ?

Award-Winning Culture

5pRs3bZ was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025, marking our fifth consecutive year receiving this distinction based on employee feedback.

Outstanding Benefits

We invest in our employees and their families through a highly competitive benefits package, including:

• 100% employer-paid medical coverage (optional plan)

• Competitive options for Medical, Dental and Vision insurance

• Employer-paid short-term and long-term disability coverage

• Employer-paid life insurance

• $5,000 annually for education, training, certifications, and professional development

• Career advancement through our structured iQTouch Program

• Up to 6% 401(k) match

• Additional 4% profit-sharing contribution, at company discretion

At 5pRs3bZ, we believe exceptional people deserve exceptional opportunities. We're more than just a workplace—we're a team of innovators, problem-solvers, and industry experts committed to delivering mission-critical solutions while fostering professional growth, collaboration, and technical excellence.

5pRs3bZ is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age or any other characteristic protected by law.