Senior DevOps & Systems Administrator (Kubernetes)

Columbia Technology Partners, Inc; Annapolis (MD); On-site; USD 110,000 - 170,000; Full time

Job summary

Columbia Technology Partners is seeking a Senior Systems Administrator / DevOps Engineer to support a high-visibility mission environment and a Kubernetes-based production platform. The role focuses on Linux sysadmin work, container orchestration, automation, and security in a mission-critical setting.

You will collaborate with development and engineering teams to improve platform reliability, performance, and security, while aligning with federal-style security requirements and polygraph

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; hands-on with Kubernetes and Bash scripting.
• Experience supporting high-security or classified networking environments preferred.

Responsibilities

• Administer and maintain Linux systems (RHEL/CentOS).
• Support Kubernetes platforms including container orchestration and tooling.
• Troubleshoot system, application, networking, and infra issues in mission-critical settings.
• Implement automation/configuration management 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 DevOps and engineering teams to improve reliability and efficiency.

Skills

Linux administration

Kubernetes administration

Scripting

Security best practices

Tools

Kubernetes

Bash

Python

Ansible

Salt

VMware

RHEL

CentOS

Job description

Columbia Technology Partners is seeking a Senior Systems Administrator / DevOps Engineer to support a high-visibility mission environment and a Kubernetes-based production platform. The role focuses on Linux sysadmin work, container orchestration, automation, and security in a mission-critical setting.

You will collaborate with development and engineering teams to improve platform reliability, performance, and security, while aligning with federal-style security requirements and polygraph