DoD System Administrator - Linux/Windows, TS/SCI, VMware

Delaware Nation Industries; Dahlgren (VA); On-site; USD 105,000 - 115,000; Full time

Benefits offered by this job

Medical/dental/vision benefits

401K matching

Disability insurance

Education reimbursement

Parking and transit benefits

Job summary

Delaware Nation Industries is seeking a System Administrator – Mid to support the Air Force JWIC/JITS mission. You will administer Linux and Windows servers, virtualized infrastructure, and mission-critical networks in classified and unclassified environments.

The role requires DoD TS/SCI clearance, 3+ years of experience, and IAT II certification. You will implement security controls, coordinate with cross-functional teams, and maintain system availability for critical operations.

Qualifications

• Active DoD TS/SCI security clearance required.
• 3+ years of professional systems administration experience.
• Experience administering Linux and Windows in DoD/enterprise.
• Strong networking knowledge and security hardening experience.
• Ability to document incidents and changes clearly.

Responsibilities

• Administer, configure, maintain, and troubleshoot Linux/Windows servers and workstations.
• Install OSes, patches, and security fixes per change-control procedures.
• Monitor health, capacity, and performance; identify trends and actions.
• Perform Tier II/III troubleshooting for hardware, OS, virtualization, and networking.
• Manage user accounts, permissions, and security configurations.
• Support systems across classified and unclassified networks.
• Maintain backups, recovery procedures, and inventories.
• Apply STIGs and vulnerability remediation measures.

Skills

Security clearance

System administration

Windows/Linux servers

Networking basics

Documentation

Troubleshooting

Communication

Education

DoD 8570/8140 IAT II cert (Security+ CE)

Bachelor's degree or equivalent

Tools

VMware vSphere

ACAS/Nessus

STIG Viewer

HBSS/endpoint security tools

PowerShell

Python/Bash/Ansible

Job description

Delaware Nation Industries is seeking a System Administrator – Mid to support the Air Force JWIC/JITS mission. You will administer Linux and Windows servers, virtualized infrastructure, and mission-critical networks in classified and unclassified environments.

The role requires DoD TS/SCI clearance, 3+ years of experience, and IAT II certification. You will implement security controls, coordinate with cross-functional teams, and maintain system availability for critical operations.