Senior Linux Systems Engineer (RH, Ansible, AWS)

Columbia Technology Partners, Inc; Annapolis (MD); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Profit Sharing

Referral Bonus

401k

Paid Time Off

Medical Insurance

Dental & Vision

Life Insurance

Disability Insurance

Job summary

Columbia Technology Partners is seeking a System Administrator 3 to support mission-critical Linux-based infrastructure, automation, cloud, and security initiatives in a high- stakes environment.

The role requires DoD 8570 IAM Level II, Red Hat Linux expertise, Ansible, AWS, and compliance. Candidates must be U.S. citizens and able to pass a security background check and polygraph. This position may involve shift work and occasional weekend coverage to maintain operational readiness.

Qualifications

• Bachelor's degree in a technical discipline with 15+ years of SA experience (or 20 years without a degree).
• Extensive Linux experience, especially Red Hat Enterprise Linux.
• Hands-on Ansible, AWS, and Nessus vulnerability management.
• Current DoD 8570 IAT II certification and ability to resolve complex hardware, software, and systems integration issues.

Responsibilities

• Administer, maintain, and optimize Linux-based server environments with Red Hat Enterprise Linux focus.
• Develop, implement, and maintain infrastructure automation using Ansible.
• Support AWS cloud environments and ensure system performance, availability, and security.
• Perform vulnerability management using Tenable Nessus and support remediation efforts.
• Troubleshoot and resolve complex hardware, software, application, and integration issues.
• Ensure systems meet security standards, including DoD 8570 IAM Level II requirements.
• Support SOA environments and understand interdependencies across platforms.
• Participate in shift work and weekend coverage as required.

Skills

Red Hat Linux

Ansible

AWS

Nessus

DoD 8570 IAT II

Education

Bachelor's degree in a technical discipline

Tools

None

Job description

Columbia Technology Partners is seeking a System Administrator 3 to support mission-critical Linux-based infrastructure, automation, cloud, and security initiatives in a high- stakes environment.

The role requires DoD 8570 IAM Level II, Red Hat Linux expertise, Ansible, AWS, and compliance. Candidates must be U.S. citizens and able to pass a security background check and polygraph. This position may involve shift work and occasional weekend coverage to maintain operational readiness.