Linux Systems Administrator - Enterprise Storage & Security

Columbia Technology Partners, Inc; Annapolis (MD); On-site; USD 80,000 - 120,000; Full time

Job summary

Columbia Technology Partners, Inc is seeking a skilled Linux System Administrator to support enterprise infrastructure in a secure, high‑performance environment. You will manage Linux systems, enterprise storage, and backup solutions while upholding security and compliance standards.

The role emphasizes vulnerability management, system hardening, and ongoing improvements across infrastructure operations, collaborating with engineering, security, and infra teams on upgrades, audits, and incident

Qualifications

• 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).

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.

Skills

Linux system administration

Bash/Python scripting

System hardening

Security best practices

Vulnerability management

Monitoring & performance

Collaboration across teams

Education

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)

RHCSA or similar Linux certification

Tools

IBM Enterprise Storage

Veritas NetBackup

Nessus

Ansible

Puppet

Job description

Columbia Technology Partners, Inc is seeking a skilled Linux System Administrator to support enterprise infrastructure in a secure, high‑performance environment. You will manage Linux systems, enterprise storage, and backup solutions while upholding security and compliance standards.

The role emphasizes vulnerability management, system hardening, and ongoing improvements across infrastructure operations, collaborating with engineering, security, and infra teams on upgrades, audits, and incident