ACAS Engineer with Security Clearance

ICS Nett, Inc. (ICS); Quantico (VA); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

Telework

Onsite 3 days/week

Job summary

ICS Nett, Inc. is seeking a Senior ACAS Engineer to implement, maintain, and optimize ACAS infrastructure for a DoD-focused program based in Quantico, VA. The role emphasizes continuous vulnerability scanning, compliance assessments, and remediation coordination with IT teams.

Ideal candidates have 5–7 years in vulnerability management, hands-on Tenable ACAS experience, and an active Secret clearance. Remote flexibility is available with on-site requirements up to three days per week at Quantico

Qualifications

• Minimum of 5–7 years of experience in vulnerability management, security scanning, or cybersecurity operations.
• Hands-on experience with the Tenable ACAS suite (Nessus, SecurityCenter/Tenable.sc, Nessus Manager and Nessus Agent) is required.
• Active Secret Clearance REQUIRED, eligible to be upgraded to TS/SCI
• Must meet 8570 certification requirements at the time of hire. IAM or IAT Level I (e.g., A+, CCNA Security, Network+ CE, SSCP, CAP, GSLC, Security+ or higher tiered 8570 certification)
• Bachelor’s Degree in Cybersecurity, Information Systems Management preferred

Responsibilities

• ACAS Implementation and Configuration: Install, configure, and maintain ACAS components including Nessus scanners, SecurityCenter/Tenable.sc, and Nessus Network Monitor.
• Deploy and manage distributed scanning infrastructure across diverse network environments.
• Customize ACAS settings, policies, and scan templates to meet organizational requirements.
• Vulnerability Scanning and Analysis: Schedule scans, analyze results, prioritize vulnerabilities, and minimize false positives.
• Compliance Assessment and Reporting: Configure ACAS for compliance assessments and generate reports on vulnerability status and remediation progress.
• Remediation Support and Tracking: Guide remediation efforts and track progress to ensure timely resolution.
• System Administration and Maintenance: Perform admin tasks for ACAS servers/databases and apply security patches.
• Threat Intelligence Integration: Integrate ACAS with threat feeds to enhance detection capabilities.
• Training and Documentation: Develop materials and train IT staff on vulnerability management processes.
• Continuous Improvement: Stay updated on vulnerability trends and improve ACAS effectiveness.
• Work Environment: Telework with onsite up to three days a week at Quantico.

Skills

Vulnerability management

ACAS/Tenable

Network security

Security clearance

Communication

Education

Bachelor’s degree in Cybersecurity or Information Systems Management

8570 certification (IAM/IAT Level I)

Tools

Tenable ACAS suite (Nessus, SecurityCenter/Tenable.sc, Nessus Manager, Nessus Agent)

NNM (Nessus Network Monitor)

Job description

ICS Nett, Inc is hiring a highly skilled and experienced Senior ACAS (Assured Compliance Assessment Solution) Engineer to join our dynamic team. The successful candidate will be responsible for the implementation, maintenance, and optimization of our ACAS infrastructure. This role is critical for ensuring the security and compliance of our information systems with DoD and other federal regulations. The ideal candidate will have a strong background in cybersecurity, vulnerability management, and network security. This position will support our Defense Counterintelligence Security Agency (DCSA) program based out of Quantico VA. Remote flexibility available! Telework offered with a requirement to be onsite up to three (3) days a week at Quantico Marine Corps Base VA.

Position Description: The Assured Compliance Assessment Solution (ACAS) Engineer is a critical role responsible for the implementation, maintenance, and operational support of the ACAS suite of tools within the organization. This position focuses on ensuring continuous vulnerability scanning, configuration compliance assessments, and reporting capabilities to maintain a strong security posture and adherence to relevant security policies and regulations (e.g., NIST, DISA STIGs, CIS Benchmarks). The ACAS Engineer will collaborate with other cybersecurity professionals, system administrators, and IT staff to identify vulnerabilities, track remediation efforts, and improve overall security.

Minimum Requirements:

• Minimum of 5 – 7 years of experience in vulnerability management, security scanning, or cybersecurity operations.
• Hands-on experience with the Tenable ACAS suite (Nessus, SecurityCenter/Tenable.sc, Nessus Manager and Nessus Agent) is required.
• Active Secret Clearance REQUIRED, eligible to be upgraded to TS/SCI
• Must meet 8570 certification requirements at the time of hire. IAM or IAT Level I (e.g., A+, CCNA Security, Network+ CE, SSCP, CAP, GSLC, Security+ or higher tiered 8570 certification
• Highly desired: Bachelor’s Degree, in Cybersecurity, and/or Information Systems Management Responsibilities:
• ACAS Implementation and Configuration:
• Install, configure, and maintain ACAS components, including Nessus scanners, SecurityCenter/Tenable.sc, and Nessus Network Monitor (NNM).
• Deploy and manage distributed scanning infrastructure across diverse network environments.
• Customize ACAS settings, policies, and scan templates to meet specific organizational requirements.
• Vulnerability Scanning and Analysis:
• Schedule and execute vulnerability scans using Nessus scanners.
• Analyze scan results to identify vulnerabilities, misconfigurations, and security gaps.
• Prioritize vulnerabilities based on severity, exploitability, and potential impact.
• Validate scan findings to minimize false positives.
• Compliance Assessment and Reporting:
• Configure ACAS to perform compliance assessments against industry standards and internal security policies.
• Generate comprehensive reports on vulnerability status, compliance posture, and remediation progress.
• Provide analysis and interpretation of assessment results to stakeholders.
• Develop custom reports and dashboards to visualize security metrics and trends.
• Remediation Support and Tracking:
• Collaborate with system administrators and IT staff to facilitate vulnerability remediation efforts.
• Provide guidance and technical assistance on vulnerability mitigation strategies.
• Track remediation progress and ensure timely resolution of identified issues.
• Re-scan systems to verify remediation effectiveness.
• System Administration and Maintenance:
• Perform system administration tasks for ACAS servers and databases.
• Monitor system performance and troubleshoot any issues.
• Apply security patches and software updates to ACAS components.
• Maintain accurate documentation of ACAS configuration and procedures.
• Threat Intelligence Integration:
• Integrate ACAS with threat intelligence feeds to enhance vulnerability detection capabilities.
• Correlate scan results with threat intelligence data to identify potential exploitation attempts.
• Customize ACAS policies to prioritize vulnerabilities based on threat landscape.
• Training and Documentation:
• Develop and maintain training materials for ACAS users.
• Provide training and support to IT staff on vulnerability management processes.
• Document ACAS procedures, policies, and best practices.
• Continuous Improvement:
• Stay up to date on the latest vulnerability trends and security threats.
• Research and evaluate new ACAS features and capabilities.
• Identify opportunities to improve ACAS effectiveness and efficiency.
• Contribute to the development of security policies and procedures. Work Environment and Physical Demands:
• This is primarily a Telework position with a requirement to be onsite up to three (3) days a week
• If alternate worksite is other than DCSA facilities or corporate office space, must have the reliable ability to communicate over voice (cell phone preferred) and stable, capable internet connection
• Must have good communication skills in both Written and Oral.