Sr. Linux System Administrator​/System Engineer

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.

• Administer, configure, and maintain Linux systems (CentOS/RHEL) in a production environment
• Install, configure, and support JBoss / Wild Fly 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

• 10+ years of Linux administration/engineering (RHEL/CentOS) in enterprise environments
• Strong experience with JBoss/Wild Fly, 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
• Nice to have:
  Linux cert, basic Oracle DBA exposure, and experience with JSON

• U.S. Citizenship is required for all applicants. CTP is an equal opportunity employer and abides by applicable employment laws and regulations. All applicants and employees are subject to random drug testing in accordance with Executive Order 12564. Employment is contingent upon successful completion of a security background investigation and polygraph.
• Certification Requirements:
  • DOD 8570 Certification

This position requires an active Security Clearance with appropriate Polygraph.

At Columbia Technology Partners we are committed to transparency and fairness in our compensation practices. We believe in creating a work environment where employees feel valued, empowered, and rewarded for their contributions.

• Job
  
  Role and Responsibilities:
  
  The specific duties and responsibilities associated with each role form the foundation of our compensation structure.
• Market Research and Industry Benchmarks:
  We conduct regular analysis of market trends and salaries across our industry, using reliable compensation data to ensure we stay competitive.
• Experience and Qualifications:
  
  An individual's experience, education, certifications, and specialized skills all contribute to determining their position within a salary range.
• Location:
  
  Salary ranges may be adjusted based on geographic cost of living, in accordance with local and national standards.
• Company Performance:
  Our compensation practices also take into account overall company performance and financial health, ensuring that we maintain sustainability while rewarding our team.

• Medical: CTP offers 3 superior plans, bringing our employees both in‑network and out‑of‑network options.
• Vision + Dental:
  Both free to you + paid in full by CTP.
• Retirement: 401k – 6% company contribution.
• PTO + Leave: A work life balance is extremely important to our team here at CTP, which is why our paid time off plans are so lucrative. Offering customizable leave plans to meet your needs is just one of our many perks! Jury Duty, Bereavement + Military Leave…