Senior Linux/Unix Systems Administrator (Security-Cleared)

Tatitlek Technologies, Inc (TTI); Dahlgren (VA); On-site; USD 73,000 - 104,000; Full time

Job summary

The Senior Linux/Unix IT Systems Administrator position at Tatitlek Technologies, Inc (TTI) requires extensive experience in UNIX, Linux, Windows, and security patching (IAVA). The role demands DoD Secret clearance eligibility and IAT Level 2 certification, with responsibilities spanning OS installation, updates, backups, and documentation.

Based in US-VA-Dahlgren, the role emphasizes enterprise-grade security, system integrity, and collaboration across IT teams to support mission-critical

Qualifications

• At least 6 years of system administration experience.
• Must have a DoD Secret security clearance and SSBI eligibility.
• DoD 8140.01 IAT Level 2 certification (IA and OS certifications) required.

Responsibilities

• Install, configure, and maintain operating systems.
• Manage fixes, updates, and enhancements; test and troubleshoot systems.
• Provide end-user support and manage accounts, access, and backups.
• Create and maintain SOPs and system documentation.

Skills

System administration

Security clearance

IAT Level 2 certification

Job description

The Senior Linux/Unix IT Systems Administrator position at Tatitlek Technologies, Inc (TTI) requires extensive experience in UNIX, Linux, Windows, and security patching (IAVA). The role demands DoD Secret clearance eligibility and IAT Level 2 certification, with responsibilities spanning OS installation, updates, backups, and documentation.

Based in US-VA-Dahlgren, the role emphasizes enterprise-grade security, system integrity, and collaboration across IT teams to support mission-critical