Security-Cleared Linux Systems Administrator

Columbia Technology Partners, Inc; Annapolis (MD); On-site; USD 75,000 - 115,000; Full time

Job summary

Columbia Technology Partners is seeking a System Administrator 2 to support the implementation, maintenance, and optimization of IT systems across enterprise environments.

This role emphasizes mission operations sustainment, including advanced troubleshooting, system monitoring, and maintaining reliable performance across Linux-based infrastructure. The ideal candidate will support escalated issues, manage system stability, and contribute to ongoing infrastructure improvements.

Qualifications

• Bachelor's degree in a technical discipline (5 additional years of experience may substitute)
• Minimum 5 years of experience as a System Administrator in similar environments
• DoD 8570 IAT Level II certification (or equivalent)
• Strong experience with Linux system administration, networking, and troubleshooting
• Experience with monitoring, automation, and scripting tools (e.g., Nagios, Prometheus, Ansible, Bash)

Responsibilities

• Provide implementation, troubleshooting, and maintenance support for IT systems
• Perform Tier 1 and Tier 2 problem identification, diagnosis, and resolution
• Manage day-to-day system operations, including monitoring, maintenance, and updates
• Configure, manage, and troubleshoot Linux operating systems (RHEL, CentOS, Rocky, SLES, Ubuntu)
• Support OS installation, file systems, TCP/IP networking, and software lifecycle activities
• Troubleshoot system, application, and infrastructure issues across mission environments
• Utilize automation and configuration management tools (Salt, Ansible)
• Monitor systems using tools such as Nagios, Prometheus, Grafana, and Splunk
• Collaborate using Jira, Confluence, Git, and Slurm for workload and system management
• Support performance optimization and capacity planning

Skills

Linux administration

Networking

Troubleshooting

Scripting (Bash/Python)

Education

Bachelor's degree in a technical discipline

Tools

Salt

Ansible

Nagios

Prometheus

Grafana

Jira

Confluence

Git

Slurm

Job description

Columbia Technology Partners is seeking a System Administrator 2 to support the implementation, maintenance, and optimization of IT systems across enterprise environments.

This role emphasizes mission operations sustainment, including advanced troubleshooting, system monitoring, and maintaining reliable performance across Linux-based infrastructure. The ideal candidate will support escalated issues, manage system stability, and contribute to ongoing infrastructure improvements.