Senior Linux Systems Engineer - DoD/TS/SCI, Virtualization

Delaware Nation Industries; Virginia; On-site; USD 120,000 - 125,000; Full time

Benefits offered by this job

Medical Premium covered

401K matching

Disability insurance

Pet Insurance

Education reimbursement

Parking/Transit benefits

Job summary

Delaware Nation Industries is seeking a Senior Linux System Administrator to provide advanced systems engineering for the Air Force JWICS/JITS mission. The role supports secure, high-availability Linux infrastructure across classified and unclassified environments to enable mission-critical operations.

The Senior Linux System Administrator acts as a technical authority for Linux platforms, virtualization, automation, and security, leading efforts and coordinating with government stakeholders and

Qualifications

• Minimum six years of Unix/Linux systems administration experience.
• DoD 8570/8140 compliant IAT III certification such as CISSP, CASP+ or equivalent.
• Experience administering enterprise Linux systems in DoD/intelligence environments.
• Strong Linux architecture, networking, storage, services, access control, logging, and performance tuning.
• Experience with backup and recovery, patch management, security hardening, and configuration control.

Responsibilities

• Administer, engineer, optimize, and maintain enterprise Linux systems across security levels.
• Install, configure, patch, upgrade, and decommission Linux OS and services.
• Support RHEL and other distributions including services, storage, networking, logging, and performance tuning.
• Design repeatable procedures for builds, provisioning, patching, and lifecycle operations.
• Develop and maintain automation scripts using Bash, Python, Ansible, or similar tools.

Skills

Linux systems

VMware vSphere

Automation

Shell scripting

Security

Communication

Education

Bachelor's degree in IT or related field

Tools

Ansible

Puppet

Git

ACAS/Nessus

Job description

Delaware Nation Industries is seeking a Senior Linux System Administrator to provide advanced systems engineering for the Air Force JWICS/JITS mission. The role supports secure, high-availability Linux infrastructure across classified and unclassified environments to enable mission-critical operations.

The Senior Linux System Administrator acts as a technical authority for Linux platforms, virtualization, automation, and security, leading efforts and coordinating with government stakeholders and