Linux System Administrator

Columbia Technology Partners • Annapolis Junction, MD

1d • Onsite

About The Position

Columbia Technology Partners is seeking a skilled Linux System Administrator to support enterprise infrastructure in a secure, high-performance environment. This role is ideal for a hands-on professional with experience managing Linux systems, enterprise storage, and backup solutions while maintaining strong security and compliance standards. You will play a key role in ensuring system reliability, supporting vulnerability management efforts, and driving continuous improvements across infrastructure operations.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)
• 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar)
• Experience with enterprise storage (IBM), backup solutions (Veritas NetBackup), and vulnerability management tools (e.g., Nessus)
• Strong knowledge of Linux patching (YUM), system hardening, security best practices, and scripting (Bash, Python, or similar)
• 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.

Nice To Haves

• RHCSA or similar Linux certification
• Experience in high-availability or mission-critical environments
• Familiarity with automation tools such as Ansible or Puppet
• Exposure to cloud or hybrid infrastructure environments

Responsibilities

• Administer, maintain, and optimize Linux-based systems in a production environment
• Manage IBM Enterprise Storage solutions to ensure availability, performance, and data integrity
• Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations
• Perform system patching and package management using YUM repositories
• Execute and remediate vulnerability scans using Nessus, ensuring alignment with security requirements
• Implement and maintain system security configurations, including system hardening and policy enforcement
• Support STE/STIN-related processes and security frameworks
• Monitor system performance, troubleshoot issues, and implement proactive improvements
• Collaborate with engineering, security, and infrastructure teams to support upgrades, audits, and incident response
• Maintain clear and accurate documentation for system configurations, procedures, and compliance activities

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: 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: Mid Level