Red Hat Linux Engineer for DoD ACAS & GEN

CommIT Enterprises, Inc.; Quantico (VA, MD); On-site; USD 100,000 - 150,000; Full time

Job summary

CommIT Enterprises, Inc. seeks a Red Hat Linux Engineer in Quantico, VA to design and implement ACAS solutions for GEN networks.

The role covers deployment, tuning, patching, and operational support of RED HAT Linux environments, with focus on security posture and compliance tooling. You will patch, configure, and document ACAS deployments, maintain Nessus/PVS integrations, and train operators and IA personnel to sustain tool functionality across DISA-aligned networks.

Qualifications

• DoD 8570 IAT III or IAM II certifications required or equivalent
• 7+ years’ experience in supporting, configuring, and administering Linux (RHEL) in enterprise
• RHEL 8.x+ experience and virtualization (vSphere/ESXi) familiarity
• Red Hat Enterprise Linux (RHEL) experience and SSH troubleshooting
• Understanding of LVM, patching, RPM management, and OS hardening
• Familiar with VMware/vSphere, Nessus, PVS, and Security Center integration
• Knowledge of STIGs, CAS/IAVA, and OPORD/FRAGO processes

Responsibilities

• Install and patch OS and applications; apply STIGs for ACAS environments
• Assess and document ACAS implementations for GEN networks
• Document ACAS design steps including IPs, FQDNs, and locations
• Create network diagrams with Visio; list hardware/software requirements
• Maintain Nessus scanners and PVS connectivity with Security Center
• Develop/Update SOPs for client ACAS solutions in SharePoint
• Provide reports and build Linux servers from provided ISO images

Skills

SSH troubleshooting

LVM partitioning

Network troubleshooting

Patch management

Ansible

Nessus

Security Center integration

Education

DoD 8570 IAT III / IAM II certifications

Tools

vSphere/ESXi

Nessus Manager

Ansible-playbook

Job description

CommIT Enterprises, Inc. seeks a Red Hat Linux Engineer in Quantico, VA to design and implement ACAS solutions for GEN networks.

The role covers deployment, tuning, patching, and operational support of RED HAT Linux environments, with focus on security posture and compliance tooling. You will patch, configure, and document ACAS deployments, maintain Nessus/PVS integrations, and train operators and IA personnel to sustain tool functionality across DISA-aligned networks.