DoD ACAS & Nessus Admin — NOC Security

Stratas Corporation, Inc.; Pensacola (FL); On-site; USD 75,000 - 79,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

FSA & HSA accounts

Disability and other income protection

401K with company matching

Job summary

StratasCorp in Pensacola, FL is seeking an ACAS Administrator to support vulnerability management in a DoD-focused NOC environment. The role covers ACAS and Nessus scanning, configuration assessments, and ongoing security monitoring across an enterprise network.

The ideal candidate has hands-on experience with ACAS, Nessus, STIGs, and DISA DoD security requirements, plus a DoD Secret clearance. Onsite schedule, full-time, with comprehensive benefits.

Qualifications

• High School Diploma or equivalent.
• Active DoD Secret security clearance.
• CompTIA Security+ certification or equivalent.
• Experience administering or supporting ACAS and Nessus vulnerability scanning tools.
• Experience conducting network vulnerability scans and configuration assessments.
• Knowledge of vulnerability management processes and security remediation practices.
• Familiarity with DISA STIGs and DoD security compliance requirements.
• Experience troubleshooting enterprise IT infrastructure, including servers and workstations.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Ability to document technical findings and communicate security issues effectively.

Responsibilities

• Administer and maintain ACAS Security Center and Nessus scanning infrastructure within an enterprise NOC.
• Perform network and application vulnerability scans and configuration assessments to identify security weaknesses and compliance gaps.
• Update ACAS Security Center and Nessus scanners with weekly plugins and security feeds to support continuous monitoring of the network security posture.
• Monitor, manage, and troubleshoot multiple ACAS scanners to ensure scanning availability, accuracy, and operational effectiveness.
• Analyze vulnerability scan results, identify security findings, and assist with prioritizing remediation activities.
• Provide technical guidance and support to field technicians performing break/fix activities on workstations and servers.
• Maintain and administer two HV and Secure File Transfer Protocol (SFTP) servers, including performing weekly updates and maintenance.
• Develop, implement, and maintain system configuration changes to ensure compliance with applicable DISA STIG requirements.
• Identify and assist in remediating system vulnerabilities, configuration deficiencies, and security compliance issues.
• Support continuous monitoring activities by maintaining accurate vulnerability scanning data and system security documentation.
• Coordinate with network operations, cybersecurity, and technical support personnel to address identified vulnerabilities and maintain system security.
• Ensure all administrative activities and system updates are performed in accordance with applicable DoD security policies and operational procedures.

Skills

ACAS

Nessus

Vulnerability scanning

Troubleshooting

Documentation

NOC operations

Security awareness

Analytical thinking

Education

High School Diploma

CompTIA Security+

Tools

ACAS Security Center

Nessus

HV/Hyper-V

SFTP servers

Job description

StratasCorp in Pensacola, FL is seeking an ACAS Administrator to support vulnerability management in a DoD-focused NOC environment. The role covers ACAS and Nessus scanning, configuration assessments, and ongoing security monitoring across an enterprise network.

The ideal candidate has hands-on experience with ACAS, Nessus, STIGs, and DISA DoD security requirements, plus a DoD Secret clearance. Onsite schedule, full-time, with comprehensive benefits.