ACAS Administrator: Vulnerability Scanning & Compliance Lead

MANTECH; Miami (FL); Hybrid; USD 90,000 - 130,000; Full time

Job summary

MANTECH in Doral, FL seeks an ACAS Administrator to lead the installation, configuration, and ongoing management of ACAS SecurityCenter/Tenable.sc and Nessus scanners across enterprise environments. You will work with cybersecurity leadership to drive remediation and reporting and ensure baseline and policy compliance.

The ideal candidate has strong vulnerability management experience, credentialed scanning skills, and a track record of maintaining secure, auditable configurations in complex IT

Qualifications

• Bachelor’s degree in Cybersecurity, Computer Science, Information Technology with 5+ years in vulnerability management or systems administration.
• OR a master’s degree and 3+ years of relevant experience; OR an associate’s degree and 7+ years; OR a high school diploma and 9+ years.

Responsibilities

• Install, configure, maintain, and administer SecurityCenter/Tenable.sc and Nessus scanners across enterprise environments.
• Conduct routine automated and manual vulnerability scans, analyze results, and generate compliance dashboards.
• Collaborate with system administrators, network engineers, and cybersecurity leadership to remediate vulnerabilities.
• Maintain ACAS baselines, scanner updates, feed updates, and configuration controls.
• Create, update, and document custom scan policies, credentials management, and target zone assignments.
• Troubleshoot, optimize system performance, and manage patching for vulnerability scanning infrastructure.
• Recommend and implement improvements to streamline vulnerability management workflows and security compliance.

Skills

Vulnerability management

Systems administration

Credentialed scanning

Risk assessment

Education

Bachelor’s degree in Cybersecurity, Computer Science, Information Technology

Master’s degree (3+ years relevant experience)

Associate’s degree (7+ years relevant experience)

High school diploma (9+ years relevant experience)

Tools

ACAS SecurityCenter/Tenable.sc

Nessus scanners

Job description

MANTECH in Doral, FL seeks an ACAS Administrator to lead the installation, configuration, and ongoing management of ACAS SecurityCenter/Tenable.sc and Nessus scanners across enterprise environments. You will work with cybersecurity leadership to drive remediation and reporting and ensure baseline and policy compliance.

The ideal candidate has strong vulnerability management experience, credentialed scanning skills, and a track record of maintaining secure, auditable configurations in complex IT