System Administrator 3

Columbia Technology Partners•Annapolis Junction, MD

About The Position

Columbia Technology Partners is seeking a System Administrator 3 to support mission-critical systems in a dynamic, highly technical environment. The role administers, maintains, and optimizes enterprise Linux infrastructure, implements automation solutions, supports cloud and security initiatives, and troubleshoots complex system issues. It requires expertise in Red Hat Linux, infrastructure automation, system integration, and security compliance to ensure reliable and efficient system operations. The position supports Linux-based server environments, with a focus on Red Hat Enterprise Linux, and uses Ansible for infrastructure automation. It also supports AWS environments and vulnerability management with Tenable (Nessus), and contributes to system security compliance and Service-Oriented Architecture environments. Operational support may include shift work and weekend coverage as required. Applicants must be U.S. citizens. Employment is contingent upon successfully completing a security background investigation and polygraph, and the position requires an active security clearance with appropriate polygraph. Applicants and employees are subject to random drug testing in accordance with Executive Order 12564. Columbia Technology Partners is a Service-Disabled Veteran Owned Small Business founded in 2007, specializing in technology and management consulting for corporations and federal agencies. The company describes its work as supporting technical design, engineering development, operational deployment, and key systems, and emphasizes teamwork, mission execution, and employee benefits.

Requirements

  • Bachelor's degree in a technical discipline and at least 15 years of System Administrator experience supporting programs of similar scope and complexity, or 20 years of System Administrator experience in lieu of a degree.
  • Extensive experience administering and troubleshooting Linux environments, including Red Hat Enterprise Linux.
  • Hands-on experience with Ansible automation, AWS cloud environments, and Tenable (Nessus) vulnerability management.
  • Current DoD 8570 IAT Level II certification.
  • Ability to resolve complex hardware, software, and systems integration issues.
  • U.S. citizenship.
  • Active security clearance with appropriate polygraph; employment is contingent on successful completion of a security background investigation and polygraph.
  • Subject to random drug testing in accordance with Executive Order 12564.

Nice To Haves

  • Experience supporting mission-critical enterprise environments with high-availability requirements.
  • Strong understanding of Service-Oriented Architecture (SOA) concepts and system interdependencies.
  • Proven analytical and troubleshooting skills to diagnose complex technical challenges.
  • Ability to work effectively in operational environments requiring shift work, weekend support, and collaboration across technical teams.

Responsibilities

  • Administer, maintain, and optimize Linux-based server environments, particularly Red Hat Enterprise Linux.
  • 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 required security standards, including DoD 8570 IAM Level II requirements.
  • Support Service-Oriented Architecture (SOA) environments and understand system interdependencies across integrated platforms.
  • Participate in operational support, including shift work and weekend coverage as required.

Benefits

  • Three medical plans with in-network and out-of-network options.
  • Vision and dental coverage paid in full by CTP.
  • 401(k) with a 6% company contribution.
  • Customizable paid time off and leave plans.
  • Jury duty, bereavement, and military leave.
  • Up to $10,000 for approved career-related learning, training, education, and/or tuition.
  • Life and AD&D insurance, short-term disability, and long-term disability at no cost to the employee.
  • End-of-year profit-sharing bonus.
  • Tiered referral bonus program ranging from $7,000 to $20,000 if the referral joins the team.
  • Competitive pay.
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