Senior Linux Systems Admin & DevOps – Secret Clearance

Columbia Technology Partners, Inc; Annapolis, Northern (MD, KY); Hybrid; USD 130,000 - 180,000; Full time

Job summary

Columbia Technology Partners, Inc. is seeking a Senior Systems Administrator / DevOps Engineer to support a high-visibility mission environment and a Kubernetes-based production platform. You will administer Linux systems, automate tasks, and collaborate with developers to improve reliability and security.

This role requires extensive experience with RHEL/CentOS, Kubernetes, and security certifications, plus an active security clearance in a fast-paced mission-focused setting.

Qualifications

• 10+ years of Linux Systems Administration or Systems Engineering experience in enterprise or mission-focused environments.
• Experience administering Red Hat Enterprise Linux (RHEL) and/or CentOS systems within Kubernetes-based environments.
• Security+ certification and hands-on experience with Kubernetes and Bash scripting.
• Experience supporting classified or high-security networking environments is strongly preferred.

Responsibilities

• Administer and maintain Linux systems, primarily Red Hat Enterprise Linux (RHEL) and CentOS environments.
• Support Kubernetes platforms, including container management, orchestration, and related tooling.
• Troubleshoot and resolve system, application, networking, and infrastructure issues in a mission-critical environment.
• Implement automation and configuration management solutions using technologies such as Bash, Python, Ansible, or Salt.
• Support system hardening, security compliance, authentication services, and encryption/key management technologies.
• Manage virtualized and physical server infrastructure, storage systems, and networking components.
• Collaborate with development, DevOps, and engineering teams to improve operational efficiency and platform reliability.

Skills

Linux systems administration

Security clearance

Tools

Kubernetes

Bash

Python

Ansible

Salt

Red Hat Enterprise Linux

Job description

Columbia Technology Partners, Inc. is seeking a Senior Systems Administrator / DevOps Engineer to support a high-visibility mission environment and a Kubernetes-based production platform. You will administer Linux systems, automate tasks, and collaborate with developers to improve reliability and security.

This role requires extensive experience with RHEL/CentOS, Kubernetes, and security certifications, plus an active security clearance in a fast-paced mission-focused setting.