TS/SCI Linux System Administrator — Cross‑Domain DoD

Phase2 Technology; Columbia (MD); On-site; USD 77,600 - 176,000; Full time

Job summary

Booz Allen Hamilton is seeking a System Administrator in Maryland to design, deploy, and maintain Cross Domain Solutions for critical cybersecurity missions.

As a Linux System Administrator, you will optimize infrastructure, implement secure configurations, and mentor the team while evaluating new technologies to improve speed and reliability. DoD 8570.1 IAT II certification must be obtained within 60 days.

Qualifications

• 3+ years of experience with Red Hat Enterprise Linux or CentOS.
• Experience with GIT.
• Experience managing virtual machines and VMware ESXi.
• Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS.
• TS/SCI clearance with a polygraph.
• Bachelor's degree in CS or IT or 5+ years of related experience, or 10+ years without degree.
• Ability to obtain DoD 8570.1 IAT Level II Certification within 60 days of start date.

Responsibilities

• Design, deploy, and maintain Cross Domain Solutions for enterprise DoD environment.
• Improve platform security, stability, reliability and ensure cybersecurity controls compliance.
• Monitor performance, turn metrics into insights, and guide architectural improvements.
• Provide leadership and mentorship to team; drive modernization and faster problem resolution.

Skills

Red Hat Enterprise Linux/CentOS

GIT

VMware ESXi

Linux firewalls/DNS

TS/SCI clearance with poly

DoD 8570.1 IAT II certification within

AWS (Nice to have)

Education

Bachelor's degree in CS or IT

5+ years expr in systems/net admin or 10+ years no degree

Tools

VMware ESXi

Job description

Booz Allen Hamilton is seeking a System Administrator in Maryland to design, deploy, and maintain Cross Domain Solutions for critical cybersecurity missions.

As a Linux System Administrator, you will optimize infrastructure, implement secure configurations, and mentor the team while evaluating new technologies to improve speed and reliability. DoD 8570.1 IAT II certification must be obtained within 60 days.