Linux System Administrator

Columbia Technology Partners • Annapolis Junction, MD

7d • 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: 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: Mid Level