DoD Network Engineer - RMF/ATO Expert

ViaSat Inc.; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Viasat is seeking a Security Engineer to sustain RMF/ATO compliance across networks and systems within the government-focused environment. You will harden configurations, validate security controls, and maintain audit-ready documentation in collaboration with the Cyber Security Operations Center and Security Engineering teams.

The role emphasizes precise, defensible work and cross-team coordination, including travel to operational sites and participation in scan reviews and audit discussions.

Qualifications

• 5+ years of experience administering virtualized environments and enterprise firewall policies
• Familiarity with DISA STIGs, POA&M, IAVMs, and RMF compliance framework
• Hands-on command line experience for networking gear, Linux, and Windows
• Experience with DoD security posture and obtaining clearance
• Strong technical writing: checklists, diagrams, audit evidence
• Willingness to travel up to 15% and to participate in on-call rotations
• Bachelor’s degree or equivalent experience in a relevant field

Responsibilities

• Perform preventive maintenance of hardware, software, and networks with team collaboration
• Document procedures, corrective actions, configurations, diagrams, and logs
• Collaborate with SOC and Security Engineering to identify vulnerabilities and remediation actions
• Perform STIG hardening on Cisco, PAN-OS, RHEL, Windows, PostgreSQL/SQL Server, VMware, and NetApp
• Analyze change impacts and communicate operational risks to senior engineers
• Join working sessions to discuss findings and assign ownership for items
• Capture and deliver evidence: findings, settings, commands, and remediation records

Skills

RMF/ATO awareness

DoD STIG knowledge

Vulnerability remediation

Documentation proficiency

Communication skills

Travel readiness

On-call readiness

Education

Bachelor’s degree in CS/EE/IT

Tools

Cisco IOS/NX-OS

Palo Alto PAN-OS

Red Hat Enterprise Linux

Windows Server/Windows 11

PostgreSQL/SQL Server

VMware ESXi/vCenter

NetApp ONTAP

Job description

Viasat is seeking a Security Engineer to sustain RMF/ATO compliance across networks and systems within the government-focused environment. You will harden configurations, validate security controls, and maintain audit-ready documentation in collaboration with the Cyber Security Operations Center and Security Engineering teams.

The role emphasizes precise, defensible work and cross-team coordination, including travel to operational sites and participation in scan reviews and audit discussions.