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.

About the role

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. Multiple shift options are available, including day shifts, weekday evening or night shifts, or 12-hour weekend shifts (Saturday and Sunday).

Responsibilities

• 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

• U.S. Citizenship is required
• Active Security Clearance with appropriate Polygraph
• DOD 8570 Certification
• 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

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.

Nice to have

• Linux certification
• Basic Oracle DBA exposure
• Experience with JSON

About Us

Founded in 2007, Columbia Technology Partners is a Service-Disabled Veteran Owned Small Business with a specialization in technology and management consulting committed to solving intricate and sensitive technology issues facing corporations and federal agencies. Since its inception, CTP has been instrumental in the technical design, engineering development, operational deployment, and support of key systems. With a proven track record in information security, project management, systems/network engineering, security risk management, vulnerability assessments, and mobile security implementation, our employees have the experience, expertise, and innovative thinking our customers need for results that exceed expectations.

CTP staff have worked closely with both government engineers and management to gather mission requirements, develop the architecture to deliver the needed functionality, and assess tools available to meet or exceed the needs of the mission. At Columbia Technology Partners (CTP), we are united in being the best that we can be as individuals, but our core belief is that we can be better together. Together we will take on each mission with an execution process that authentically represents who we are.

Pay

Columbia Technology Partners determines salary ranges based on job role and responsibilities, market research and industry benchmarks, experience and qualifications, location, and company performance. We are committed to transparency and fairness in our compensation practices.

Benefits

• Medical: 3 superior plans with in-network and out-of-network options
• Vision + Dental: Both free to you and paid in full by CTP
• Retirement: 401k with 6% company contribution
• PTO + Leave: Customizable leave plans including jury duty, bereavement, and military leave
• Career Growth: Up to $10,000 for approved career-related learning, training, education, and/or tuition
• Life and AD&D Insurance / Short-Term & Long-Term Disability: Provided at zero cost to you
• Profit Sharing Bonus: End-of-year cash bonus
• Referral Bonus Program: Tiered bonuses ranging from $7,000 to $20,000 if your referral joins the team

Schedule

• Day shifts
• Weekday evening or night shifts
• 12-hour weekend shifts (Saturday and Sunday)