Senior Systems Administrator & DevOps - Linux/Kubernetes

Columbia Technology Partners; Corridor North (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical plans

Vision and dental coverage

401k company contribution

Paid time off

Career growth support

Referral bonus program

Job summary

Columbia Technology Partners is seeking a Senior Systems Administrator / DevOps Engineer to support a high-visibility mission environment and production-ready platform. This role involves Linux-based systems in a secured Kubernetes environment, working with developers and mission stakeholders to ensure reliability and scalability.

You will implement automation, contribute to security hardening, and collaborate across virtualization, storage, and networking to maintain critical services in a

Qualifications

• 10+ years of Linux systems administration or systems engineering in enterprise or mission-focused environments.
• Experience administering RHEL and/or CentOS in Kubernetes-based environments.
• Security+ CE certification and Bash scripting experience required.
• Experience supporting classified or high-security networking environments preferred.

Responsibilities

• Administer and maintain Linux systems (RHEL/CentOS).
• Support Kubernetes platforms and container tooling.
• Troubleshoot system, application, networking, and infrastructure issues in a mission-critical environment.
• Implement automation with Bash, Python, Ansible, or Salt.
• Support system hardening, security compliance, authentication services, and encryption key management.
• Manage virtualized and physical servers, storage, and networking components.
• Collaborate with development, DevOps, and engineering teams to improve reliability and efficiency.

Skills

Linux System Administration

Kubernetes

Security+ Certification

Tools

Bash scripting

Ansible

Salt

Job description

Columbia Technology Partners is seeking a Senior Systems Administrator / DevOps Engineer to support a high-visibility mission environment and production-ready platform. This role involves Linux-based systems in a secured Kubernetes environment, working with developers and mission stakeholders to ensure reliability and scalability.

You will implement automation, contribute to security hardening, and collaborate across virtualization, storage, and networking to maintain critical services in a