Senior ACAS Administrator - On-Site, Quantico

Agile Defense, LLC; Quantico (VA); On-site; USD 135,000 - 145,000; Full time

Job summary

Agile Defense, LLC in Quantico, VA is seeking an ACAS Administrator at a Senior Level to design, deploy, and sustain ACAS across GEN environments. You will coordinate with ISSOs/ISSMs and ensure secure vulnerability management and regulatory compliance.

Experience with ACAS Security Center, Nessus, and Nessus Agents is required; you will patch, monitor, and optimize scanning operations, maintain SOPs, and deliver reports for governance and management purposes.

Qualifications

• Knowledge and experience with ACAS Security Center and Nessus Vulnerability Scanners.
• Experience with Nessus Agents and common cybersecurity toolsets (IAVA/OPORD/FRAGO support).
• Familiarity with STIGs, vulnerability management processes, and incident response concepts.

Responsibilities

• Install, patch, and maintain ACAS and related systems across GEN environments.
• Manage daily ACAS administration: users, groups, zones, and config changes.
• Ensure daily plugin/patch updates from DISA/DoD repositories.
• Troubleshoot credentialed scans and ACAS-related issues for internal/external customers.
• Maintain connectivity between Nessus scanners, PVS, and Security Center.
• Develop and update SOPs for each ACAS client implementation.
• Generate reports and metrics for operations and governance.

Skills

ACAS Security Center

Nessus

NASL

Python

Bash

PowerShell

Communication

Subnets

Tools

Nessus Agents

PVS

DISA STIGs

Security Center

Job description

Agile Defense, LLC in Quantico, VA is seeking an ACAS Administrator at a Senior Level to design, deploy, and sustain ACAS across GEN environments. You will coordinate with ISSOs/ISSMs and ensure secure vulnerability management and regulatory compliance.

Experience with ACAS Security Center, Nessus, and Nessus Agents is required; you will patch, monitor, and optimize scanning operations, maintain SOPs, and deliver reports for governance and management purposes.