Senior ACAS Administrator - Cyber Defense Ops

Socket.dev; Virginia (MN); On-site; USD 100,000 - 140,000; Full time

Job summary

Agile Defense is seeking a Senior ACAS Administrator to support design, deployment, and sustainment of the ACAS platform across Government Enterprise Networks. The role requires coordinating with ISSOs/ISSMs, implementing DISA STIGs, and maintaining Nessus/Nessus Agent integrations.

The successful candidate will lead daily ACAS operations, ensure 100% asset coverage, deliver risk-based reports, and provide technical guidance on vulnerability management.

Qualifications

• 5–7 years ACAS/Nessus management experience.
• DoD 8570 IAT III or IAM II certification required.
• Experience with STIGs and DISA guidelines.
• Experience with secure network operations and vulnerability management.

Responsibilities

• Install, patch, and maintain operating systems and ACAS with STIGs.
• Perform daily administration of the ACAS environment and manage users, groups, and configurations.
• Assess GEN ACAS implementations and recommend improvements for security and performance.
• Ensure daily plugin and feed updates from DISA/DoD Patch Repository.
• Ensure scans cover 100% of assets and troubleshoot failures.
• Provide technical support for ACAS scanning issues and credentialed scans.
• Maintain connectivity between Nessus, PVS, and Security Center.
• Develop and update SOPs for client ACAS implementations.
• Generate reports and metrics for compliance and management.

Skills

ACAS Security Center

Nessus

NASL scripting

Python

Powershell

Communication skills

Policy compliance

Tools

vSphere

ESXi

Job description

Agile Defense is seeking a Senior ACAS Administrator to support design, deployment, and sustainment of the ACAS platform across Government Enterprise Networks. The role requires coordinating with ISSOs/ISSMs, implementing DISA STIGs, and maintaining Nessus/Nessus Agent integrations.

The successful candidate will lead daily ACAS operations, ensure 100% asset coverage, deliver risk-based reports, and provide technical guidance on vulnerability management.