Linux System Administrator

About the Role

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.

Key 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

Qualifications

• 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)

Desired Qualifications

• 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

Requirements

• 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
• RHCSA or similar Linux certification (Desired)
• All applicants and employees are subject to random drug testing in accordance with Executive Order 12564

Benefits

• Medical: 3 superior plans with in-network and out-of-network options
• Vision + Dental: Free to you, paid in full by CTP
• Retirement: 401k with 6% company contribution
• PTO + Leave: Customizable leave plans, plus Jury Duty, Bereavement, and Military Leave
• 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: At zero cost to you
• Profit Sharing Bonus: End of year cash bonus
• Referral Bonus Program: Tiered program with bonuses ranging from $7,000–$20,000 if your referral joins the team