Cybersecurity Assessment & Authorization (A&A) SME

Job Description

Job Description

Title: Cybersecurity Assessment & Authorization (A&A) SME
Security Clearance: IT-II Non-Critical Sensitive or Tier 3 (T3) Secret
Location: Remote or DLA HQ, Fort Belvoir, VA
Certifications: Certified Cloud Security Professional (CCSP) and DoD 8570/8140 Category IAT Level II (i.e., Sec+ CE), and at least one industry-recognized Cloud certification.

Overview:
Nationwide IT Services (NIS) is seeking a highly skilled Cybersecurity Subject Matter Expert (SME) for a potential opportunity leading Assessment and Authorization (A&A) efforts for complex information systems. The SME will guide the application of cybersecurity policies, NIST 800-53 controls, and the Risk Management Framework (RMF) to support system authorization, audit readiness, and ongoing compliance across large-scale IT environments.

Key Responsibilities:

• Serve as a DOD cybersecurity SME for information systems undergoing A&A.
• Apply NIST 800-53 security controls to assess and authorize large, multi-enclave IT infrastructures, including AIS applications and IT processes.
• Evaluate vulnerabilities, determine severity, and assess potential impacts on system authorizations.
• Support audit readiness and sustainment by participating in audits and producing compliance documentation.
• Maintain RMF, ATO, and audit documentation in a central repository, ensuring all artifacts, modifications, and dates are properly recorded.

Required Qualifications:

• Minimum 5 years of hands-on experience with RMF and NIST A&A, including Zero Trust, SCCA FRD, and SRG frameworks.
• Certified Cloud Security Professional (CCSP).
• Active IT-II Non-Critical Sensitive security clearance or Tier 3 (T3) at proposal submission.
• DoD 8570/8140 Category IAT Level II certification at time of submission.
• Strong business and technical writing skills.
• At least one industry-recognized Cloud certification.

Experience & Expertise:

• Comprehensive understanding of DoD cybersecurity authorization processes, policies, and procedures.
• Knowledge of emerging technology cybersecurity, including Cloud, Industrial Control Systems (ICS), warehouse execution systems, and Operational Technology (OT) infrastructures.
• Proven experience in assessing information assurance controls and conducting A&A reviews for large, complex organizations.
• Experience supporting DoD audit readiness initiatives.
• Strong analytical and problem-solving skills for resolving complex security issues.

About Nationwide IT Services (NIS):
NIS is a CVE-verified, Service-Disabled Veteran-Owned Small Business delivering IT and management consulting solutions. We leverage technology, people, and industry best practices to provide innovative, value-added services to our customers.
Benefits:

• Medical, dental, and vision insurance
• Life and disability insurance
• 401(k) with employer match
• Paid holidays, PTO (sick/vacation)
• Commuter benefits
• Employee Assistance Program (EAP)
• Educational reimbursement
• Pet insurance

Equal Opportunity Employer:
Nationwide IT Services, Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, genetics, disability, or protected veteran status.

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