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Cybersecurity Assessment & Authorization Subject Matter Expert-SME
Job Location:
Job Location:
Fairfax, VA - USA
Yearly Salary:
$ 100000 - 135000
Yearly Salary:
Posted:
18 July 2026 (30+ days ago)
Posted:
Application Deadline:
15 October 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
CYBERSECURITY ASSESSMENT AND AUTHORIZATION SUBJECT MATTER EXPERT (SME)
Location: The primary place of performance will be at the government site and/or Off-Site.Security Clearance Requirement: Secret
Security Investigation Requirement: Required to possess a Moderate Risk Non-Critical Sensitive Tier 3 (T3)/NACLC/ANACI upon assignment.
Certification Requirement:DOD 8570 - IAM 3 (CISSP CISM GSLC CCISO)
Position Summary
Nationwide IT Services (NIS) is seeking a Cybersecurity Subject Matter Expert (SME) for a potential opportunity supporting the Assessment and Authorization (A&A) of information systems and the implementation of associated cybersecurity policies and procedures.
The ideal candidate will have a strong understanding of NIST SP 800-53 security controls and their application to the assessment and authorization of complex enterprise IT environments including large and small enclaves cloud-hosted services operational technology (OT) AIS applications and outsourced IT services within organizations such as the Defense Logistics Agency (DLA).
The ideal candidate will have a strong understanding of NIST SP 800-53 security controls and their application to the assessment and authorization of complex enterprise IT environments including large and small enclaves cloud-hosted services operational technology (OT) AIS applications and outsourced IT services within organizations such as the Defense Logistics Agency (DLA).
Key Responsibilities
- Executes DoW/DLA cybersecurity processes to authorize information systems maintain authorization of information systems and serve as a Subject Matter Expert (SME) for systems undergoing the authorization process.
- Update and track POA&M entries by documenting findings logging remediation actions and keeping milestone dates current to ensure issues move toward closure.
- Proven ability to work independently and collaboratively with minimal oversight
- Ability to generate clear accurate and audit-ready cybersecurity reports including vulnerability summaries compliance status updates and risk findings for technical and leadership audiences
- Performs a DOD cybersecurity process while either authorizing an information system or serving as a SME for an information system undergoing authorization.
- Determines the applicable severity value for an identified vulnerability (e.g. non-compliant security control) and determines the possible ramifications on the systems current or future authorization.
- Brief senior management on the progress or results of an information system undergoing the Risk Management Framework (RMF) process.
Required Qualifications
- Seven (7) years of relevant Risk Management Framework (RMF) and NIST A&A experience.
- DOW cybersecurity experience
- Experience in assessing security controls and conducting authorization reviews for large complex organizations.
- Strong research analytical and problem-solving skills
- Strong understanding of DoD cybersecurity requirements including documenting and developing artifacts for STIGs TCG configuration guides IAVMs and Task Orders
- Exceptional ability to develop maintain and validate RMF artifacts and cybersecurity Documentation
- Proficiency with analytical tools such as Microsoft Excel Access Power BI and Power Platforms
- Experience producing detailed analytics and trend reports using data from vulnerability scanners configuration tools and security platforms to support decision-making and inspection readiness
- Excellent written and verbal communication skills including the ability to brief leadership and produce clear documentation
- Experienced in the general tenets supporting the overall DOD implementation of its authorization process to include supporting cybersecurity policy procedures and processes.
- Knowledgeable in the cybersecurity of emerging technology areas such as Cloud information technology (IT) Industrial Control Systems (ICSs) or Operational Technology (OT) infrastructures.
- Required to possess a DOD SECRET Clearance and be eligible for an IT-II Non-Critical Sensitive Security clearance or Tier 3 (T3) upon assignment.
Why Join Nationwide IT Services
Nationwide IT Services is a trusted government contractor supporting Department of Defense customers. Join us to work on high-impact cybersecurity missions with experienced professionals in a collaborative growth-focused environment.Our benefits package includes medical dental and vision insurance; life and disability insurance; a 401(k) plan with employer match; paid holidays; PTO (sick/vacation); commuter benefits; an employee assistance program (EAP); educational reimbursement; and Pet Insurance.
Salary range $100000 to $135000 annually
The salary range is a general guideline. We consider several factors when determining base salary offers including the positions scope and responsibilities the candidates experience education and skills and current market conditions.
Required Experience:
Senior IC
