Claims Research Team Supervisor (Investigator 4)

Lead a team of investigators that protect the integrity of the Working Families Tax Credit program.

The Washington State Department of Revenue is seeking an experienced investigative leader to serve as the Claims Research Team Supervisor (Investigator 4) within the Working Families Tax Credit Division.

The Working Families Tax Credit Division helps eligible individuals understand, apply for, and receive the credit while maintaining accurate records and administering the program responsibly. Within the division, the Claims Research Team helps protect program integrity by preventing and detecting financial losses associated with fraud or malfeasance. The team uses crossmatching, skip tracing, tips and leads, and other detection tools to identify and prevent fraud.

In this role, you will develop and lead a highly trained team of investigators while helping guide the division's fraud mitigation strategy. You will oversee investigative operations, strengthen policies and procedures, analyze emerging trends, and advise leaders on effective fraud identification and prevention practices. As the division's chief investigative specialist, you will also work with legal counsel and external partners on matters that may result in civil or criminal enforcement.

This opportunity may be an excellent fit if you are an accomplished investigative professional who combines sound judgment and technical expertise with the ability to coach employees, establish clear expectations, navigate complex cases, and build productive relationships across organizational and jurisdictional boundaries. Your work will help ensure that public resources are administered fairly, securely, and in accordance with state and federal requirements.

The hiring manager may start screening applicants as early as November 3, 2026, and make a hiring decision at any time after. It will be to your advantage to submit materials as soon as possible.

It is preferred that this position interacts with claimants, in Spanish, or another language, in writing and over the phone. Your ability to read, write, and speak in a language other than English will earn you an additional 5% assignment pay!

Revenue is a dynamic learning organization where you will experience a remarkable work-life balance, with amazing leadership and talented co-workers ready and focused to achieve the agency's goals. We value diverse perspectives and life experiences. We employ and serve people of all backgrounds, including people of color, immigrants, refugees, LGBTQ+, people with disabilities, and veterans. This unique culture of respect promotes a professional family of cohesive groups, maximizing potential through opportunity. We offer a generous benefits package that includes defined benefit retirement plans; health, dental and vision coverage, deferred compensation plans, and as a public service employee, you may also be eligible for student loan forgiveness.

Visit these links to watch our recruitment video to find out more about our agency and see what our employees say about why Revenue is a great place to work.

We invite you to review the opportunity details below and forward this message to others you feel may be qualified.

What you'll do

As the Claims Research Team Supervisor, you will provide leadership for a team responsible for identifying, investigating, and preventing fraud within the Working Families Tax Credit program. You will oversee staff, guide investigative strategy, develop policies and procedures, and serve as a trusted advisor to agency leadership on fraud prevention and investigative best practices.

Key responsibilities

• Lead, develop, and supervise a team of investigators.
• Direct complex and sensitive fraud investigations.
• Develop and implement statewide investigative policies and procedures.
• Ensure compliance with federal and state requirements, including Federal Tax Information safeguarding standards.
• Provide consultation and technical expertise to investigators, management, legal counsel, and partner agencies.
• Analyze fraud trends and recommend mitigation strategies.
• Collaborate with local, state, and federal partners, including law enforcement.
• Represent the division in hearings, court proceedings, and other professional forums.

Who we're looking for

We're seeking a leader who can balance strategic thinking with hands-on investigative expertise. The ideal candidate is a skilled communicator, collaborative partner, and confident decision maker who can develop people, navigate complex challenges, and maintain the highest standards of integrity and professionalism. Experience leading investigative teams and working across organizational boundaries will be critical to success in this role.

The ideal candidate will possess a combination of the following knowledge, skills, abilities, and progressive experience that demonstrates readiness to successfully perform the duties and tasks of this position:

Demonstrated progressive experience leading and supervising investigative teams, gained through prior roles directing program operations, assigning work, training investigators, monitoring performance, and ensuring adherence to laws, policies, and Federal Tax Information safeguarding requirements.

Proven ability to develop, implement, and administer statewide investigative policies and procedures, obtained through experience creating guidance documents, drafting standards manuals, revising investigative protocols, and ensuring compliance with federal and state requirements such as IRS Publication 1075.

Demonstrated skill functioning as a subject-matter expert in fraud investigation and prevention, developed through experience providing consultation to leadership, advising legal counsel, collaborating with other agencies, and representing the division in meetings where complex benefits-related fraud issues are discussed.

Proven ability to conduct and guide complex fraud investigations, gained through experience investigating identity theft, tax credit fraud, dependent fraud, vendor fraud, and multi-claimant cases, and preparing investigative reports, subpoenas, and evidentiary records for administrative or criminal proceedings.

Demonstrated ability to analyze evidence, identify fraud patterns, and produce clear and comprehensive investigative reports, supported by experience applying advanced analytical and critical-thinking skills in cases requiring verification of data, cross-matching information, and adjudicating tax credit eligibility.

Demonstrated ability to collaborate with federal, state, and local agencies—including law enforcement—developed through experience coordinating fraud cases, participating in joint investigations, collecting field evidence, and serving as a liaison on matters involving prosecution of fraud.

Proven experience developing investigator skills and preparing staff for advancement, gained through supervising performance evaluations, coaching, mentoring, delivering training, and directing investigators in applying best practices for fraud prevention and investigative techniques.

Demonstrated ability to manage complex program operations, obtained through prior experience overseeing workload distribution, setting deadlines, monitoring productivity measures, administering resources, coordinating recruitment, and resolving routine personnel issues.

Proven ability to communicate professionally and persuasively with diverse audiences, developed through experience testifying at administrative hearings or courts, preparing written reports and recommendations for leadership, and explaining investigative outcomes to managers, legal partners, and external agencies.

Equity Competencies:

• The ability to take action to learn and grow.
• The ability to take action to meet the needs of others.
• Uses an equitable and inclusive approach.

Learn about our Core Equity Competencies to understand the foundational skills, mindsets, and approaches we value and cultivate in our workforce.

• A Bachelor’s degree degree in business or public administration, accounting, finance, political science, or one of the criminal justice disciplines, and two years of experience as an investigator with a criminal justice government agency or private organization, or other directly allied field.

• Experience as an Investigator 3 or 4 within State Service or an equivalent classification.

• Certified Fraud Examiner (CFE) or other fraud certification.

• Experience working with Federal Tax Information (FTI).

• Bi-lingual ability.

• Complete the online application in detail
• Attach a current resume'
• Attach a letter of interest explaining your interest in the position and how you meet the qualifications listed
• Include three or more professional references with current contact information