Solaris & Linux System Administrator

Columbia Technology Partners•Annapolis Junction, MD

About The Position

Columbia Technology Partners is seeking a hands-on System Administrator to support and maintain mission-critical enterprise infrastructure environments. The role focuses on Solaris and Linux administration, enterprise storage, backup and recovery, and cybersecurity compliance. The administrator will help ensure the reliability, security, and performance of large-scale production systems supporting critical customer missions, collaborating with engineering, cybersecurity, and operations teams on infrastructure upgrades and incident response.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
At least 3 years of Solaris System Administration experience.
At least 3 years of Linux System Administration experience with RHEL, CentOS, OLVM, or similar.
Active CompTIA Security+ certification.
Experience supporting IBM Enterprise Storage, Veritas NetBackup, Nessus vulnerability management, and Linux package management using YUM.
Strong understanding of Linux security, system hardening, compliance practices, and troubleshooting.
Scripting experience with Bash, Python, or similar languages.
U.S. citizenship is required.
Active security clearance with appropriate polygraph is required.
DOD 8570 certification is required.
Employment is contingent upon successful completion of a security background investigation and polygraph.
Applicants and employees are subject to random drug testing in accordance with Executive Order 12564.

Nice To Haves

Red Hat Certified System Administrator (RHCSA) or comparable Linux administration certification.
Experience supporting highly available enterprise environments with disaster recovery requirements.
Familiarity with infrastructure automation tools such as Ansible, Puppet, or similar technologies.
Exposure to cloud or hybrid infrastructure environments and modern systems management practices.

Responsibilities

Administer, maintain, and optimize Solaris and Linux systems in enterprise production environments.
Support and manage IBM Enterprise Storage platforms to ensure system availability and performance.
Configure, monitor, and troubleshoot Veritas NetBackup solutions for backup and recovery operations.
Perform system patching and package management using YUM repositories and established maintenance processes.
Conduct vulnerability scanning and remediation using Nessus and related security tools.
Implement and maintain secure system configurations in accordance with organizational security requirements.
Monitor system health, troubleshoot technical issues, and implement performance improvements.
Collaborate with engineering, cybersecurity, and operations teams to support infrastructure upgrades and incident response.
Maintain technical documentation, standard operating procedures, and compliance artifacts.
Support system hardening, audit readiness, and security compliance initiatives.

Benefits

Competitive compensation.
Comprehensive medical coverage with three plan options and in-network and out-of-network options.
Vision and dental coverage paid in full by the company.
401(k) with a 6% company contribution.
Paid time off with customizable leave plans.
Jury duty, bereavement, and military leave.
Up to $10,000 for approved career-related learning, training, education, and/or tuition.
Life and AD&D insurance, short-term disability, and long-term disability at no cost to employees.
End-of-year profit-sharing bonus.
Referral bonus program with bonuses ranging from $7,000 to $20,000 if a referral joins the team.