Senior Security Adjudicator

One Federal Solution is seeking a Senior Security Adjudicator to join our team in Washington, DC. The Senior Security Adjudicator serves as a subject-matter expert responsible for adjudicating complex, high-risk, and sensitive national security cases, including appeals and exception-based determinations. 

Senior Security Adjudicator Key Duties & Responsibilities:

• Adjudicate complex, high-risk, and sensitive security clearance cases, including appeals and special determinations.


• Apply whole-person adjudication principles to evaluate risk to national security.


• Perform quality assurance and consistency reviews of adjudication decisions.


• Provide mentorship and technical guidance to junior and mid-level adjudicators.


• Advise leadership on policy interpretation, adjudicative standards, and emerging threat or risk patterns.


• Produce clear, defensible written decisions su...