Senior Security Adjudicator
One Federal Solution
Job Description
Job Description
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 suitable for audits, legal review, and IG investigations.
- Ensure adjudication outcomes align with federal regulations, executive orders, and agency-specific guidance.
Senior Security Adjudicator Qualifications & Requirements:
- Deep expertise in federal adjudicative guidelines and security clearance processes.
- Bachelor's degree in Criminal Justice, Security Studies, Political Science, Psychology, or a related field
- Demonstrated experience with senior-level adjudications in government or cleared contractor environments.
- 5–10+ years of experience in personnel security, background investigations, or adjudication
- Strong independent judgment and ability to make risk-based national security decisions under ambiguity.
- Proven experience handling appeals, exceptions, and complex cases.
- Excellent written and analytical skills, particularly for decision documentation.
About One Federal Solution (OFS):
OFS is an innovative professional services provider with over 20 years of experience supporting defense and civilian agencies. We specialize in Business Intelligence, Acquisition and Procurement, and other professional services. As a certified Service-Disabled Veteran-Owned Small Business (SDVOSB), we pride ourselves on delivering high-performance solutions and partnering with our customers to achieve exceptional enterprise-wide outcomes
Vacancy posted 6 days ago
Similar jobs that could be interesting for youBased on the Senior Security Adjudicator in Washington DC vacancy
- ...time Clerical position in Washington, DC. The ideal candidate will evaluate background investigations for employment eligibility and security clearances. Responsibilities include screening investigations, preparing analytical summaries, and managing a caseload. A bachelor...SeniorFull time
$90k - $100k
...Business, we engage with industry professionals to provide top-tier security solutions and personnel security expertise for the U.S.... ...experience in personnel security. Five (5) years of experience adjudicating suitability and security background investigations. Successful...SuggestedFull timeFor contractorsWork at officeFlexible hoursProtection Strategies
Washington DC3 days ago- Protection Strategies Incorporated is seeking an HHS Adjudicator in Washington, D.C. The candidate will review and evaluate background investigations... ..., managing caseloads, and ensuring compliance with personnel security standards. A Bachelor's Degree and five years of relevant...Suggested
- Global Resource Solutions is seeking a Personnel Security Specialist to support personnel security processes and ensure compliance with security regulations. The role involves handling security clearance processes and conducting compliance reporting and training. The ideal...SuggestedFull time
- ...A leading consulting firm is seeking a Security Operations Lead to oversee SOC functions and manage a team of Analysts and Engineers in Washington, DC. The ideal candidate will have 8+ years of cybersecurity experience with specific expertise in incident response, threat...Senior
Accenture
Washington DC2 days ago - ...areas of inspiration and expand your capabilities, then consider a career in Advisory. KPMG is currently seeking a Senior Associate, Workday Security to join our Advisory Technology Organization. Responsibilities: Plan and execute client engagements focusing...SeniorFull timeH1bLocal area
KPMG
Washington DC5 days ago $159.6k - $296.4k
...PNC is hiring a Security Expert based in Washington D.C. to provide technical leadership and guidance across multiple security disciplines. This role supports efforts to improve the organization's security posture and advises on complex security procedures. Ideal candidates...SeniorPNC
Washington DC18 hours ago$77.6k - $176k
...Booz Allen Hamilton is seeking a Personnel Security Specialist in Arlington, Virginia. This role involves maintaining security clearance records and processes while providing mentorship to team members. The ideal candidate will have over 5 years of experience and TS/SCI...SeniorBooz Allen Hamilton
Arlington, VA3 days ago- ...A security solutions company in Washington, DC is looking for a Personnel Security Specialist V. This role involves reviewing investigation requests, initiating background checks, and providing support for the FBI Security Program. Candidates must possess a Bachelor’s...Senior
Protection Strategies
Washington DC1 day ago - ...SiloSmashers is seeking former Federal and Military Law Enforcement Special Agents to provide personnel security support for federal law enforcement investigations. Candidates must have significant experience in security assessments, investigation processes, and a current...Senior
Silo Smashers
Washington DC1 day ago - ...The US Social Security Administration is seeking an IT Specialist to oversee the installation, monitoring, and troubleshooting of systems across the agency. You will serve as a technical authority and provide critical IT support in a national capacity. Applicants must...Senior
US Social Security Administration
Riverdale, MD1 day ago $160k - $180k
...Engineering & Analysis, and Training. Responsibilities Economic security is an area of intense attention and growth as the primary... ...of the future. AMERICAN SYSTEMS is currently looking to hire a Senior Economic Security Analyst to support OUSW(R&E). This position requires...SeniorFor contractorsCurrently hiringWork at officeRemote workFlexible hours- Groundswell is seeking an experienced Appian Principal Developer Consultant in McLean, VA. You will lead implementation teams, guide clients, and support various technical projects. Ideal candidates will have 5+ years of experience with Appian solutions, strong problem-...SeniorFlexible hours
- The DC Department of Human Resources is seeking a Supervisory Special Police Officer to ensure safety and security across the District of Columbia's library system. This role involves supervising public safety personnel, coordinating with law enforcement, and managing...Senior
$190k - $230k
Systems Planning and Analysis, Inc. is seeking a Tech SETA - Security and Hardware to provide support in Arlington, VA. The role involves offering technical advice on RF systems design and ensuring successful integration and testing of technologies. Qualified candidates...Senior- OneZero Solutions is seeking a DHS Security Control Assessor III to conduct independent assessments and evaluate security controls within various DHS systems. The ideal candidate will have over 10 years of experience in this role and expertise in security frameworks like...Senior
- Phase2 Technology is looking for a Senior Identity and Access Management Specialist to develop and deploy solutions that meet security requirements. The role involves securing identity lifecycles through governance, provisioning, and continuous monitoring. With a focus...Senior
- Arlosolutionsllc is seeking a Senior IT Technical Program Analyst in Arlington, VA. The ideal candidate will lead technical and program... ..., requiring an active TS/SCI Clearance and expertise in LE and Security IT systems. The role demands analytical skills, technical...Senior
- SiloSmashers is hiring a Personnel Security Specialist Senior to support FBI security program activities in Washington D.C. The role involves overseeing security assessments, conducting interviews, and analyzing reports to ensure security standards are met. Candidates...Senior
$160k - $205k
Koitecc Solutions is seeking a Manual Ethical Hacker to lead assessments on the security of bank's applications and technologies. The role requires a minimum of 5 years of pentesting experience and the ability to perform deep analysis of vulnerabilities. With a competitive...Senior- Mission Technologies, a division of HII, is seeking a Senior Technology Security Policy Advisor to support the Anti‑Tamper Executive Agent at the Pentagon. This role focuses on leading technology protection strategies, contributing to policy development, and safeguarding...Senior
- Acuity, Inc. is hiring a Security SME to architect and implement security solutions for federal government objectives. Ideal candidates will have over 8 years of experience in cybersecurity, including significant roles in government environments. The position involves...Senior
$137.6k - $185k
...Specialist III to support the Air Force Rapid Capabilities Office. This senior-level position requires extensive knowledge in acquisition and... ...overseeing complex procurement activities critical to national security. Candidates should have over 10 years of relevant experience, a...SeniorWork at office- Seneca Resources Company, LLC is seeking a senior Acquisition Analyst in Washington, DC, to support a national security communications infrastructure program. The role involves analyzing and planning enterprise communication acquisitions, developing RFPs, and interfacing...Senior
- Arlo Solutions LLC is seeking a Law Enforcement & Security IT Technical Program Analyst in Arlington, VA. You will provide expert technical... ...managing enterprise-level security programs, supporting senior leadership, and developing technical strategies. The position is...Senior
- ...the DoD. The role involves drafting policy memorandums, advising senior leadership, and conducting extensive research on relevant... ...will have an active TS/SCI clearance and extensive experience in security policy development. This is an onsite position with responsibility...Senior
- General Dynamics Information Technology is seeking a Risk Mitigation Specialist Senior in Washington, D.C. to lead defense and security efforts. This role involves developing and executing management strategies for foreign ownership risks and conducting risk assessments...Senior
- A national security consulting firm is looking for a Senior Performance and Metrics Analyst. The role requires an active TS/SCI clearance and involves designing performance metrics, supporting defense initiatives, and advising government personnel on strategic alignment...Senior
- Ardent Management Consulting, Inc is looking for a Systems Engineer based in Suitland, MD. This role involves providing technical leadership in the design and maintenance of IT systems and translating business requirements into effective solutions. Candidates should have...Senior
- Acuity, Inc. in Washington, DC is seeking a qualified Security SME to develop security solutions for federal agencies. If you have a passion for technology and a commitment to keeping people safe, this role is for you. Join our award-winning team and make an impact in...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Security Adjudicator. Be the first to apply!
Related searches
- senior game producer Washington DC
- senior electronic design engineer Washington DC
- senior robotics software engineer Washington DC
- senior java software engineer Washington DC
- senior specialist Washington DC
- senior research manager Washington DC
- senior software test engineer Washington DC
- sr project engineer Washington DC
- senior electrical designer Washington DC
- sr. hr generalist Washington DC