DecisionPoint Corporation

Senior Unix/Linux Systems Administrator

DecisionPoint Corporation

full-time

Posted on:

Location Type: Office

Location: Portsmouth • Virginia • United States

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Job Level

Senior

Tech Stack

Cyber SecurityLinuxUnix

About the role

  • Administer, configure, and maintain Unix/Linux operating systems in classified and unclassified environments.
  • Perform system patching, upgrades, hardening, and vulnerability remediation in accordance with DISA STIGs.
  • Monitor system performance, logs, and alerts; troubleshoot and resolve system and network issues.
  • Manage user accounts, access controls, and system permissions.
  • Support backups, disaster recovery, and system restoration activities.
  • Provide Tier II/III support and participate in after-hours or surge operations as required.
  • Maintain system documentation and support change management processes.
  • Collaborate with network, cybersecurity, and engineering teams to support operational requirements.

Requirements

  • Active Top Secret clearance required.
  • Bachelor’s degree in an IT-related discipline (e.g., Computer Science, Information Technology, Cybersecurity, Systems Engineering) with a minimum of seven (7) years of experience administering Unix/Linux systems in enterprise or DoD environments.
  • Demonstrated experience supporting secure networks and mission-critical systems.
  • Experience applying DISA STIGs and DoD cybersecurity policies to Unix/Linux systems.
  • Strong troubleshooting skills and experience providing Tier II/III system support.
  • Familiarity with network services, system monitoring tools, and enterprise backup solutions.
Benefits
  • Health insurance
  • 401(k) matching
  • Paid time off
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
UnixLinuxsystem patchingsystem upgradessystem hardeningvulnerability remediationtroubleshootingTier II supportTier III supportbackup solutions
Soft Skills
collaborationproblem-solvingcommunicationattention to detailorganizational skills
Certifications
Top Secret clearance