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 19 hours 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
- ...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
- ...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...
- ...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
- ...Fraud Analytics Subject Matter Expert Elder Research Inc., a wholly owned subsidiary of MANTECH international Corporation seeks a motivated, career and customer-oriented Fraud Analytics Subject Matter Expert to join our team in Arlington, VA. This is a hybrid position...Work at officeLocal area
- ...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
$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- ...effectively in 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...Hourly payFull timePart timeWork at officeRelocationFlexible hours
- ...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
- ...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...
- ...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
- ...AI Risk & Evaluation Subject Matter Expert General Information Requisition # 968 Locations USA-VA-Arlington Posting Date 05/22/2026 Security Clearance Required - Active Public Trust at time of hire Remote Type Hybrid (must be located in...Full timeLocal areaRemote work2 days per week1 day per week
- ...provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring a Cybersecurity Cloud Subject Matter Expert for an exciting opportunity. Job Description and Responsibilities Ensures that the architecture and design of cloud-...For contractorsWork at officeLocal areaRemote work
$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$170k - $175k
...Domain Subject Matter Expert Suvi Global Services is looking for a Domain Subject Matter Expert to support IT across all DoD OIG networks. To join our team of outstanding professionals, apply today! Responsibilities Provide expert-level technical leadership...Full timePart timeFor contractorsRemote work- ...Subject Matter Expert II Everforth ECS is seeking a Subject Matter Expert II to work in our Arlington, Virginia office. Please Note: This position is contingent upon contract award. Everforth ECS Federal is seeking a Subject Matter Expert II candidate to provide...Contract workWork at office
$165k - $200k
...Subject Matter Expert Location: Arlington, VA Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. Description: ~ Recognized for strong expertise...Full timePart timeWork experience placement- ...Title: SVTC Engineering Subject Matter Expert IV Location: Washington, DC 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 out by others...Contract work
- ...Countering Weapons Of Mass Destruction (CWMD) Subject Matter Expert LMI is seeking a Countering Weapons Of Mass Destruction (CWMD) Subject Matter Expert interested in joining a team who will provide Strategic Plans And Policy Support Services (SPPSS) support to Headquarters...Work at officeFlexible hours
- ...Counter-Unmanned Systems (C-UXS) Policy Subject Matter Expert (SME) The client is seeking a highly skilled Counter-Unmanned Systems (C-UXS) Policy Subject Matter Expert (SME) to support the Office of the Assistant Secretary of Defense for Special Operations/Low Intensity...Work at office
- ...Senior Hcm Subject Matter Expert Spatial Front, Inc. (SFI), a two-time USA Today Top Workplaces awardee and Washington Top Workplaces honoree, is seeking a Senior HCM Subject Matter Expert to join our growing team. The ideal candidate will bring deep expertise in Human...Full timeContract work
$150k - $180k
...has earned Trilogy an unparalleled reputation for delivering transformative results. We are seeking an experienced Momentum Subject Matter Expert (SME) for a high-visibility modernization effort to successfully deploy Momentum Financials across a complex financial management...Remote work- ...Subject Matter Expert – Level III Develops requirements from a project's inception to its conclusion for a particular IT subject matter area (i.e., simple to complex systems). Assists other project members with analysis and evaluation and with the preparation of recommendations...
$165.75k - $224.25k
...Cloud Hosting Subject Matter Expert (SME) The Cloud Hosting SME is the technical lead for designing, building, and operating secure, reliable, and cost-effective hybrid/multi-cloud platforms for mission systems. You will own the enterprise design patterns, landing zones...Temporary workRemote workWork from homeFlexible hours- ...Job Title Subject Matter Expert (SME) ADHCA Journeyman Location Falls Church, VA Job Description R&K Enterprise Solutions, Inc. (R&K) is a certified Service-Disabled Veteran Owned Small Business (SDVOSB) with core capabilities in Mission Support, Engineering...Contract workShift work
$165.75k - $224.25k
...CI/CD Subject Matter Expert Continuous Integration / Continuous Deployment (CI/CD) Subject Matter Expert The CI/CD Subject Matter Expert (SME) is the technical authority for building and operating secure, reliable, and efficient delivery pipelines across on-prem and...Contract workRemote workWork from homeFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to ACAS Subject Matter Expert. Be the first to apply!



