Senior Linux Systems Engineer - DoD | TS/SCI, VMware

Delaware Nation Industries; Dahlgren (VA); On-site; USD 120,000 - 125,000; Full time

Benefits offered by this job

Premium benefits coverage

401K matching

Disability insurance

Parking and transit

Job summary

Delaware Nation Industries in Dahlgren, VA seeks a Senior Linux System Administrator to provide advanced systems administration and engineering support for the Air Force JWICS/JITS mission, maintaining secure, resilient Linux infrastructure across classified and unclassified environments supporting critical operations.

You will lead Linux platform security, virtualization (VMware vSphere), automation (Bash, Python, Ansible, Puppet), and lifecycle management; implement DISA STIGs, vulnerability

Qualifications

• Senior Linux system administration with DoD/regulatory experience.
• Solid knowledge of virtualization, storage, networking, and security hardening.
• DoD 8570/8140 IAT III certification (CISSP/CASP+ or equivalent) required.

Responsibilities

• Administer and maintain enterprise Linux systems across multiple security levels.
• Install, patch, configure, and decommission Linux OS and services.
• Support RHEL and other distributions, including services, storage, networking, and authentication.
• Design repeatable procedures for builds, patching, backup, recovery, and lifecycle operations.
• Develop scripts and automation using Bash, Python, Ansible, Puppet.
• Apply DISA STIGs and vulnerability remediation; use ACAS/Nessus and other DoD cybersecurity tools.

Skills

Linux administration

VMware vSphere

Automation

Shell scripting

DevSecOps

Communication

Education

Bachelor’s degree in IT / CS / Engineering

Tools

VMware

Ansible

Puppet

Docker

Git

CloudBolt

ACAS/Nessus

STIG tooling

Job description

Delaware Nation Industries in Dahlgren, VA seeks a Senior Linux System Administrator to provide advanced systems administration and engineering support for the Air Force JWICS/JITS mission, maintaining secure, resilient Linux infrastructure across classified and unclassified environments supporting critical operations.

You will lead Linux platform security, virtualization (VMware vSphere), automation (Bash, Python, Ansible, Puppet), and lifecycle management; implement DISA STIGs, vulnerability