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Columbia Technology Partners Logo Columbia Technology Partners · IT - Administration

Sr. Linux System Administrator/System Engineer

United States, Annapolis Junction Employment contract · Job Posted June 03, 2026
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Job Description

Columbia Technology Partners is seeking a skilled Senior Linux System Administrator / Systems Engineer to support a mission-critical, IC-wide service environment. This role is ideal for a hands-on professional with deep Linux expertise who enjoys working across infrastructure, virtualization, and automation technologies in secure, high-availability environments. Multiple shift options are available, including day shifts, weekday evening or night shifts, or 12-hour weekend shifts (Saturday and Sunday). You will play a critical role in maintaining and optimizing Linux-based systems, supporting enterprise infrastructure components, and ensuring system reliability and compliance across secure environments.

Job Responsibility

  • Administer, configure, and maintain Linux systems (CentOS/RHEL) in a production environment
  • Install, configure, and support JBoss / WildFly application servers
  • Build, configure, and manage VMware virtual machines, ensuring optimal performance and availability
  • Support system operations within a secure, mission-driven IC environment
  • Assist with automation and configuration management, including use of Ansible where applicable
  • Monitor system performance and troubleshoot issues across compute, storage, and network layers
  • Support security compliance, authentication mechanisms, and system hardening activities
  • Perform scripting and automation tasks using shell and/or Python
  • Contribute to physical server administration and infrastructure support as needed
  • Collaborate with cross-functional teams to maintain system stability and meet mission requirements

Requirements

  • 10+ years of Linux administration/engineering (RHEL/CentOS) in enterprise environments
  • Strong experience with JBoss/WildFly, VMware, and secure system operations
  • Proficiency in scripting (Shell/Python) and troubleshooting across infrastructure stacks
  • Experience supporting mission-critical systems with performance and reliability focus
  • Familiarity with Ansible, storage, networking, authentication, and security compliance/hardening
  • U.S. Citizenship is required for all applicants
  • DOD 8570 Certification
  • This position requires an active Security Clearance with appropriate Polygraph

Nice to have

  • Linux cert
  • basic Oracle DBA exposure
  • experience with JSON

What we offer

  • Medical: CTP offers 3 superior plans
  • Vision + Dental: Both free to you + paid in full by CTP
  • Retirement: 401k - 6% company contribution
  • PTO + Leave: customizable leave plans
  • Jury Duty, Bereavement + Military Leave provided
  • Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition
  • Life and AD&D Insurance/Short-Term & Long-Term Disability: at zero cost to you
  • Profit Sharing Bonus: End of year cash
  • Referral Bonus Program: bonuses range from $7,000-$20,000
Columbia Technology Partners - All Job Offers

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