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Senior Systems Administrator Unix/Linux with Security Clearance
Caelum Research CorporationDahlgren, VA🇺🇸United StatesPosted 9 Jul 2026
Why This Role Stands Out
This role offers a fantastic opportunity to safeguard vital Navy systems, leveraging your advanced Unix/Linux and security expertise within a hybrid work environment. You'll thrive here if you possess a strong technical background, a proactive approach to problem-solving, and a desire to contribute to national security initiatives while developing your skills. Apply now to make a significant impact with a reputable organization!
Quick Overview
Work Type
Hybrid
Schedule
Employee
Level
Mid Senior
Job Description
Clearance Required: Top Secret
Education: Bachelor’s degree in IT or related field
Experience: 6+ years About the Role:
As a Senior Unix/Linux Administrator, you’ll keep mission-critical Navy systems secure, optimized, and performing at their peak. You’ll use your deep technical expertise to manage large enterprise environments where reliability is everything. What You’ll Do: Administer, configure, and harden Unix/Linux systems. Maintain system backups, performance tuning, and patch management. Ensure compliance with DoD STIGs and cybersecurity standards. Troubleshoot complex hardware/software issues and automate key processes. What You’ll Bring: 6+ years of Unix/Linux administration experience. IAT Level III certification required. Knowledge of TCP/IP, network security, and shell scripting. Ability to think ahead, anticipate issues, and act decisively.
Education: Bachelor’s degree in IT or related field
Experience: 6+ years About the Role:
As a Senior Unix/Linux Administrator, you’ll keep mission-critical Navy systems secure, optimized, and performing at their peak. You’ll use your deep technical expertise to manage large enterprise environments where reliability is everything. What You’ll Do: Administer, configure, and harden Unix/Linux systems. Maintain system backups, performance tuning, and patch management. Ensure compliance with DoD STIGs and cybersecurity standards. Troubleshoot complex hardware/software issues and automate key processes. What You’ll Bring: 6+ years of Unix/Linux administration experience. IAT Level III certification required. Knowledge of TCP/IP, network security, and shell scripting. Ability to think ahead, anticipate issues, and act decisively.
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