Senior Linux Systems Administrator - Mission-Critical Ops

Columbia Technology Partners, Inc; Maryland; On-site; USD 125,000 - 150,000; Full time

Benefits offered by this job

Medical plans

Vision and dental included

Retirement 401k

PTO + leave

Career growth support

Referral bonus program

Job summary

Columbia Technology Partners, Inc. is seeking a System Administrator 2 to support enterprise IT systems, with emphasis on Linux-based environments, troubleshooting, and system stability.

The role focuses on mission operations sustainment and ongoing infrastructure improvements. The ideal candidate will handle escalated issues, monitor performance, and collaborate across teams using tools like Nagios, Prometheus, Grafana, Splunk, Salt, and Ansible.

Qualifications

• Bachelor's degree in a technical discipline; five years of System Administrator experience acceptable in lieu of degree
• Minimum five years as a System Administrator in similar environments
• DoD 8570 IAT Level II certification (or equivalent)
• Strong Linux administration, networking, and troubleshooting experience
• Experience with monitoring, automation, and scripting tools (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 system administration

Networking

Troubleshooting

Bash scripting

Monitoring

Automation concepts

DoD 8570 IAT Level II

Education

Bachelor's degree in a technical discipline

DoD 8570 IAT Level II certification

Tools

Salt

Ansible

Jira

Confluence

Git

Slurm

Grafana

Prometheus

Nagios

Splunk

Job description

Columbia Technology Partners, Inc. is seeking a System Administrator 2 to support enterprise IT systems, with emphasis on Linux-based environments, troubleshooting, and system stability.

The role focuses on mission operations sustainment and ongoing infrastructure improvements. The ideal candidate will handle escalated issues, monitor performance, and collaborate across teams using tools like Nagios, Prometheus, Grafana, Splunk, Salt, and Ansible.