Senior Security Adjudicator: Lead High-Risk Cases

One Federal Solution; Washington (District of Columbia); Hybrid; USD 90,000 - 130,000; Full time

Job summary

One Federal Solution in Washington, DC is seeking a Senior Security Adjudicator to serve as a subject-matter expert adjudicating complex, high-risk national security cases, including appeals and exception-based determinations. The role emphasizes applying whole-person adjudication principles, quality assurance, and mentorship to junior staff.

The ideal candidate will have deep expertise in federal adjudicative guidelines, a 5–10+ year track record in personnel security, and an ability to produce

Qualifications

• Demonstrated expertise in federal adjudication.
• Experience with high-risk security cases is required.
• Ability to make risk-based national security decisions under ambiguity.

Responsibilities

• Adjudicate complex, high-risk 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 patterns.
• Produce clear, defensible written decisions suitable for audits, legal review, and IG investigations.
• Ensure adjudication outcomes align with federal regulations and agency guidance.

Skills

Federal adjudicative guidelines

Security clearance processes

Judgment & risk analysis

Written & analytical skills

Education

Bachelor's degree in Criminal Justice, Security Studies, Political Science, Psychology, or related field

Job description

One Federal Solution in Washington, DC is seeking a Senior Security Adjudicator to serve as a subject-matter expert adjudicating complex, high-risk national security cases, including appeals and exception-based determinations. The role emphasizes applying whole-person adjudication principles, quality assurance, and mentorship to junior staff.

The ideal candidate will have deep expertise in federal adjudicative guidelines, a 5–10+ year track record in personnel security, and an ability to produce