Senior Linux System Administrator - DoD Cross-Domain

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

Job summary

Booz Allen Hamilton is seeking a System Administrator to design, deploy, and maintain Cross Domain Solutions for a DoD enterprise environment. You will enhance security, performance, and reliability while mentoring teammates and leading modernization efforts.

The role requires Linux expertise, DoD 8570.1 IAT II readiness, and a TS/SCI clearance. Expect collaboration across secure networks, monitoring, and ongoing optimization in a mission-critical setting.

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 and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of a degree
• Ability to obtain DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date
• Experience with AWS
• Experience with Infrastructure as Code technologies (Salt, Ansible, Puppet, PowerShell, Chef or Terraform)
• Experience with Python
• Experience with Apache NiFi or NiagraFiles
• Knowledge of bi-directional network transfer systems
• DoD 8570.1 IAT Level II Compliant Certification

Responsibilities

• Design, deploy, and maintain Cross Domain Solutions for a DoD enterprise environment
• Improve platform security, stability, reliability and comply with security controls
• Lead and mentor the team, sharing expertise and evolving methodologies
• Identify opportunities to modernize the network for customers

Skills

RHEL/CentOS

GIT

VMware ESXi

Linux networking

Linux firewall

DoD 8570.1 IAT II

Education

Bachelor's degree in CS or IT

10+ years experience in lieu of degree

Tools

AWS

Infrastructure as Code

Python

Apache NiFi/NiagaraFiles

Salt/Ansible/Puppet/Terraform

Job description

Booz Allen Hamilton is seeking a System Administrator to design, deploy, and maintain Cross Domain Solutions for a DoD enterprise environment. You will enhance security, performance, and reliability while mentoring teammates and leading modernization efforts.

The role requires Linux expertise, DoD 8570.1 IAT II readiness, and a TS/SCI clearance. Expect collaboration across secure networks, monitoring, and ongoing optimization in a mission-critical setting.