Vulnerability Management & ACAS Administrator

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Job Summary
JCS Solutions is seeking an experienced Vulnerability Management & ACAS Administrator to support a high-profile Department of War contract at Fort Belvoir, VA. The I3TS program provides enterprise-wide IT support to the Defense Threat Reduction Agency's Information Management & Technology Directorate. The program helps the directorate consolidate, modernize and improve the IT services and mission capabilities it delivers to mission partners in CONUS and OCONUS locations.
In this role, you will be the program's primary Assured Compliance Assessment Solution (ACAS) subject-matter expert and technical lead. You will own vulnerability scanning across NIPRNet, SIPRNet and the Joint Worldwide Intelligence Communications System (JWICS). You will keep scanners healthy and coverage complete, turn findings into clear and actionable reporting, and work with system owners and technical teams to get vulnerabilities fixed and confirmed closed. Your work directly reduces risk to the agency's mission.

Location: Fort Belvoir, VA
Clearance: TS/SCI
Salary: $70,000.00 - $100,000.00
Certification: Active DoD 8140/8570 IAT Level II certification

What’s in it for you: 

• Join a premier technology firm specializing in innovative solutions.  
• Be part of a collaborative, inclusive, and innovative work culture.  
• Enjoy tremendous growth potential in a high-performing team environment.  
• A robust benefits package: 
  • Health, dental, and vision insurance  
  • Life insurance  
  • Short-and-long term disability  
  • Paid time off (PTO)  
  • 401k retirement plan with employer match 
  • Annual Professional Development Reimbursement Program  
  • And more! 

 
What you will do:

• Serve as the primary technical lead and subject-matter expert for ACAS and Nessus vulnerability scanning across NIPRNet, SIPRNet and JWICS.
• Administer, operate, maintain and troubleshoot the ACAS/Nessus infrastructure, including:
  • scanners
  • scan configurations, schedules and policies
  • plugins and credentials
  • associated management components
• Keep ACAS scanning capability, asset coverage, scanner health and vulnerability-data quality up to standard across all supported environments.
• Plan, coordinate and run authenticated and unauthenticated scans that follow approved schedules, operational requirements and maintenance windows.
• Analyze and validate scan results. Identify false positives, duplicate findings and scan-quality issues, and assess the possible impact on systems and mission operations.
• Prioritize vulnerabilities by severity, operational impact, exploitability, asset criticality and remediation timelines.
• Work with system administrators, network engineers, endpoint-security staff and system owners to drive remediation and verify closure.
• Track vulnerabilities, remediation actions, exceptions and status in approved tracking systems.
• Build and maintain vulnerability-management metrics, dashboards, trend analysis and recurring reports for technical staff, program leadership and customer stakeholders.
• Find and fix coverage gaps, credentialed-scan failures, connectivity problems, scanner performance issues and asset-inventory discrepancies.
• Support Security Technical Implementation Guide (STIG) compliance by matching ACAS findings to hardening requirements and remediation actions.
• Write and maintain ACAS standard operating procedures, operating instructions, scan procedures, troubleshooting guides and knowledge articles.
• Coordinate ACAS maintenance, upgrades, configuration changes and technical support with infrastructure, network, endpoint and cybersecurity teams.
• Advise leadership and stakeholders on ACAS capabilities, vulnerability trends, remediation priorities and operational risk.

 What you will bring: 

• 8+ years of relevant cybersecurity, vulnerability management, systems administration or information assurance experience.
• 7+ years of hands-on experience as an ACAS/Nessus subject-matter expert in a large enterprise or Department of War environment.
• Proven experience running ACAS/Nessus infrastructure, including:
• scanner deployment, configuration and health monitoring
• scan-policy administration and plugin management
• credentialed scanning
• troubleshooting and reporting
• Experience managing vulnerability scanning across multiple security domains, including NIPRNet, SIPRNet and JWICS or comparable enterprise environments.
• Experience analyzing findings, validating scan results, identifying false positives, prioritizing remediation and verifying closure.
• Experience developing vulnerability-management reports, metrics, dashboards and leadership-level status products.
• Experience coordinating remediation with system administrators, network teams, endpoint-security teams and system owners.
• Working knowledge of Microsoft Windows, Linux, virtualization, networking concepts and enterprise endpoint environments.
• Working knowledge of:
  • STIG compliance
  • SCAP Compliance Checker (SCC) and STIG Viewer
  • secure configuration baselines and security hardening
• Strong written, verbal, organizational, analytical and problem-solving skills.
• Able to work independently as the program's primary ACAS technical lead while coordinating well with cross-functional technical teams.

Required Certifications

• An active DoD 8140 IAT Level II certification, such as one of the following: Security+ CE, CySA+, CASP+ CE, CCNA-Security, CCNP Security, CCSP, CISA, CISSP (or Associate), CND, GCED, GCIH, GICSP, GSEC, or SSCP

Education Requirements