Sr. Linux System Administrator/System Engineer

Columbia Technology Partners • Annapolis Junction, MD

1d • Onsite

About The Position

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.

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.
• Employment is contingent upon successful completion of a security background investigation and polygraph.
• This position requires an active Security Clearance with appropriate Polygraph.
• DOD 8570 Certification

Nice To Haves

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

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

Benefits

• 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 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: More peace of mind, at zero cost to you.
• Profit Sharing Bonus: End of year cash gets added to your bottom-line.
• Referral Bonus Program: Our tiered program provides an incentive with each stage of the hiring process your referral passes. Our bonuses range from $7,000-$20,000, if your referral joins the team.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed