Senior Unix/Linux Systems Administrator - TS Clearance

Astrion; Dahlgren (VA); On-site; USD 130,000 - 140,600; Full time

Job summary

Astrion in Dahlgren, Virginia, seeks a Senior Systems Administrator (Unix/Linux) to lead secure, high-availability UNIX/Linux environments for NSWCDD Dahlgren.

This full-time role requires 6+ years of experience, a Top Secret clearance (IAT III, T5), and strong expertise in networking, backups, and security.

You will deploy hardware, integrate COTS software, and optimize systems for performance and resilience.

Qualifications

• Six+ years of Unix/Linux system administration experience.
• Experience with backup/recovery, hardware/software installation, and performance tuning.
• Knowledge of TCP/IP networks and firewall security tools.
• IAT III level with a T5 clearance.

Responsibilities

• Oversee the administration, configuration, and security of Unix/Linux environments.
• Manage lifecycle infrastructure, hardware deployment, and COTS software integration.
• Optimize multi-environment systems for resource efficiency and security.
• Ensure resilience against vulnerabilities through proactive monitoring.

Skills

Unix/Linux system administration

Backup and recovery

Network security

TCP/IP

Security clearance

Education

Master's degree

Job description

Astrion in Dahlgren, Virginia, seeks a Senior Systems Administrator (Unix/Linux) to lead secure, high-availability UNIX/Linux environments for NSWCDD Dahlgren.

This full-time role requires 6+ years of experience, a Top Secret clearance (IAT III, T5), and strong expertise in networking, backups, and security.

You will deploy hardware, integrate COTS software, and optimize systems for performance and resilience.