ACAS Subject Matter Expert
ZTI Solutions LLC
About the Job ACAS Subject Matter Expert Falls Church, Virginia. Full-time. Important Notice: This position is contingent upon contract award. Summary: ACAS Subject Matter Experts manage and operate DoD's enterprise vulnerability scanning capability based on Tenable Security Center and Nessus. This role configures scan policies, manages scanning infrastructure, coordinates credentialed scans across the enterprise, analyzes scan results, and produces compliance reports for government stakeholders meeting DoDI 8531.01 requirements. Key Responsibilities:
- Manage enterprise ACAS deployment with 10-20 Nessus scanners.
- Execute 150-400 credentialed vulnerability scans weekly across 200-600 systems.
- Analyze 5,000-15,000 vulnerability findings weekly.
- Execute 100-300 STIG and SRG compliance scans monthly.
- Develop 20-50 custom scan policies for specialized systems.
- Generate 15-30 ACAS compliance reports monthly for government stakeholders.
- Configure Tenable Security Center for enterprise vulnerability management.
- Maintain scanner infrastructure ensuring 99%+ availability.
- Systems Scanned: 200-600 systems managed per SME.
- Weekly Scans: 150-400 credentialed vulnerability scans.
- Findings Generated: 5,000-15,000 weekly requiring analysis.
- Compliance Scans: 100-300 STIG/SRG scans monthly.
- Custom Policies: 20-50 maintained.
- Monthly Reports: 15-30 compliance reports delivered.
- Scanner Infrastructure: 10-20 scanners managed.
- Clearance: Secret (NIPR), Top Secret (SIPR), or TS/SCI Eligible (JWICS) based on network assignment.
- Education: Bachelor's Degree in Information Technology, Cybersecurity, Computer Science, or related field.
- Experience: 10+ years vulnerability management; 5+ years ACAS/Tenable experience.
- Certifications: CISSP or Security+ required; Tenable certifications highly desired.
- Technical Knowledge: Expert knowledge of Tenable Security Center and Nessus, DISA STIGs, SCAP, compliance scanning, DoDI 8531.01.
- This position is contingent upon contract award.
- Start date will be determined upon contract award.
- We will maintain contact with selected candidates throughout the award process.
- U.S. Citizen required.
- Clearance varies by network: Secret (NIPR), Top Secret (SIPR), or TS/SCI Eligible (JWICS).
- On-premises work required at Suffolk Building, Falls Church, VA.
- No remote work options available.
- Standard business hours with operational flexibility.
- 4 Weeks Paid Time Off.
- All Federal Holiday's Paid Vacation.
- Four Percent Matching 401K.
- Full health/vision/dental benefits for the employee and family paid 100% by ZTI Solutions, LLC.
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the ACAS Subject Matter Expert in Falls Church, VA vacancy
- A cybersecurity firm in Falls Church, Virginia is seeking an ACAS Subject Matter Expert to manage and operate the DoD's vulnerability scanning capability. The role involves configuring scan policies, analyzing results, and producing compliance reports. Candidates must...SuggestedFull time
$180k - $210k
...ACAS Subject Matter Expert Falls Church, Virginia. Full-time. Important Notice: This position is contingent upon contract award. Summary: ACAS Subject Matter Experts manage and operate DoD's enterprise vulnerability scanning capability based on Tenable...SuggestedFull timeContract workWork at officeRemote work- ...Risk Management Framework (RMF) Subject Matter Expert The RMF Subject Matter Expert (SME) supports cybersecurity and compliance efforts across... .... Interpret and analyze STIG findings, SCAP scans, ACAS results, and vulnerability assessment data to support remediation...SuggestedWork at officeLocal area
- ...Cybersecurity Cloud Subject Matter Expert (SME) Serves as the primary cloud security architect responsible for ensuring that cloud-hosted... ...platforms including Assured Compliance Assessment Solution (ACAS), commercial vulnerability scanners, and cloud security posture...SuggestedContract work
- ...Senior Medical Coding Subject Matter Expert Federal Health Contract Support, Defense Health Agency (DHA) Position contingent on contract award (target September 2026) Location: Defense Health Agency Headquarters, 7700 Arlington Boulevard, Falls Church, Virginia...SuggestedFull timeContract workFor contractorsLocal areaRemote workWorldwideMonday to Friday
- ...with us today! ISN is actively seeking Behavioral Health Subject Matter Experts to support the Department of Homeland Security (DHS)... ...Care (NCCHC) and/or the American Correctional Association (ACA) as well as the relevant ICE detention standards. - Conduct...Contract workFor contractors
- ...officials regarding process, content and/or deliverables as required - Contribute content, identify best practices, and knowledge of subject matter, translate subject matter terminology as appropriate - Provide recommendations verybally and in writing - Usual work with a...Contract work
- ...solutioning as well as Enterprise Information Technology Implementation and Services. We are seeking an Additive Manufacturing Subject Matter Expert that will thrive in a challenging and rewarding process-oriented environment. This role focuses on the integration of...Contract workRemote workFlexible hours
- ...Fraud Analytics Subject Matter Expert General Information Requisition # 684 Locations USA-VA-Arlington Posting Date 03/20/2026 Security Clearance Required - ACTIVE IRS MBI Remote Type Hybrid Time Type Full time Description &...Full timeWork at officeLocal areaRemote work
- ...Operations Management Subject Matter Expert ProSidian Consulting seeks an Operations Management Subject Matter Expert to support and participate in a project supporting government agency focusing on Financial Crimes. The Operations Management Subject Matter Expert plays...Full timeFor contractorsInternshipWork at office
- ...ML), and augmented reality (AR). QinetiQ US’s dedicated experts in defense, aerospace, security, and related fields all work... ...of the warfighter. We are seeking a Strategic Engagement Subject Matter Expert to lead outreach and industry engagement efforts supporting...Work at office
- ...The Alaka`ina Foundation Family of Companies (FOCs) is possibly looking for a Blood Program Subject Matter Expert to provide support for our government customer in Falls Church, VA. DESCRIPTION OF RESPONSIBILITIES: Provide expert guidance and coordination...
$9k
Modern Technology Solutions Incorporated (MTSI) is seeking an Air Warfare Systems Subject Matter Expert specializing in air warfare. You will be critical in advancing U.S. national security by ensuring cutting-edge air domain capabilities are integrated into multi-domain...Full timeImmediate startWorldwideFlexible hours$150k - $180k
...a fast-paced environment. ERG's Facilities Planning and Engineering Team is seeking a senior design professional with subject-matter expertise in Department of Defense (DoD)/U.S. Navy facility design and construction projects and programs. This role requires extensive...Hourly payFull timePart timeWork at officeRelocationFlexible hours- ...Defense and Federal customers. We are hiring a Senior ATO/A&A Subject Matter Expert to support an enterprise-level program within a federal... ...analysis of weekly Assured Compliance Assessment Solutions (ACAS) scan reports to identify and prioritize application-level vulnerabilities...For contractorsWork at officeLocal areaImmediate startRemote work
- ...required (SCI eligibility required) Position Overview Blue Sky Innovators is seeking a mid-level Anti-Tamper (AT) Subject Matter Expert to support the Anti-Tamper Executive Agent (DoD ATEA) within SAF/AQL. This role is ideal for a experienced professional...
- ...Senior Subject Matter Expert Until Filled (EST) DHS Arlington, VA, USA Full Time Location: Arlington, VA (Hybrid) Clearance: Must be a U.S. citizen with the ability to obtain and maintain a TS/SCI clearance and DHS suitability, as required by federal contract....Full timeContract work
- ...Job Summary We are seeking a highly experienced and strategic Subject Matter Expert (SME) with deep expertise in healthcare finance, strategic planning, and organizational transformation. The ideal candidate will bring executive-level healthcare experience, specifically...Local area
- ...Title: Cybersecurity ~ Subject Matter Functional Expert IV Location: Alexandria, VA Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph Job Details: Generally recognized as a leader in the industry in their area of expertise; sought...Contract work
- ...Process Improvement Subject Matter Expert (SME) Steel Point Solutions is an amazing SBA Certified (8a), HUBZone, Small Disadvantaged Business (SDB) and a Woman Owned Small Business (WOSB) company. Established in 2013 with a vision of offering world class, integrated...Work at office
- ...Title: LAN/WAN Engineering Subject Matter Expert IV Location: Alexandria, VA Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph Job Overview: The LAN/WAN Engineering SME is a recognized technical leader with deep expertise in service...
- ...Irregular Warfare Subject Matter Expert (SME) Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation...Work at office
- ...CWMD Subject Matter Expert (SME) for DAF/A10 - Active TS/SCI Required Job Locations US-VA-Arlington Job ID 2026-14011 # of Openings 1 Benefit Type Salaried High Fringe/Full-Time Overview LMI is seeking a Countering...Full timeWork at officeLocal areaFlexible hours
- ...and hosting environments that meet the government's cybersecurity and privacy requirements. Position Description: The Subject Matter Expert supports evaluating performance indicators and using existing performance measures and applications within the existing data...Local area
- 501226 Navy Technology Transition Subject Matter Expert (SME) Work Location: Arlington, VA Schedule: Full Time Relocation: Negotiable IronMountain Solutions, Inc. (IMS) is seeking aNavy Technology Transition Subject Matter Expert (SME)who will facilitate the...Full timeWork at officeRelocation
$180k - $220k
...data driven insights that transform defense systems and improve capabilities. We are pleased to announce the opening of a Subject Matter Expert III – Technologies and Capabilities Cyber, who will join our Engineering Services Division in the National Capital Region (...Contract workTemporary workWork experience placementWork at officeFlexible hours- ...Responsibilities OBXtek is currently staffing for an Acquisition Subject Matter Expert supporting the Army's Product Manager Global Enterprise Network Modernization - OCONUS (GENM-O) organization. This position will: Support assisting GENM-O in cost...Contract workLocal areaFlexible hours
- ...FOIA Subject Matter Matter Expert (Location Negotiable) ProSidian Consulting seeks a FOIA Subject Matter Expert to support and participate in a project supporting government agency focusing on Financial Crimes. The FOIA Subject Matter Expert plays an integral role...Full timeFor contractorsInternshipWork at office
- ...Title: Enterprise Architecture Subject Matter Expert IV Location: Alexandria, VA Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph Job Details: Analyze user's requirements, concept of operations documents, and high level system architectures...
$120k
...solutions, we assist major agencies in addressing intricate issues and ensuring a more secure future. We are looking for a Subject Matter Expert - Intermediate to join our team in support of a DoD customer in Alexandria, VA. The SME will serve as a technical expert on...Immediate start
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to ACAS Subject Matter Expert. Be the first to apply!




