Block logo
  • Open Source
  • Bitcoin
  • Builder Fellowship
  • Investors
SEE ALL JOBS;
block

SIU Investigator

Remote
Phoenix, AZ, US
Req ID: R0004795
Posted Date: 10/28/25
Posted 2 days ago

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

The Role

We are looking for an Investigator to join Block and support the continued buildout and evolution of our Special Investigations Team within the Block Compliance organization. The mission of the Special Investigations Unit (SIU) at Block is to monitor and act upon high-level, complex compliance-related escalations and referrals within both Square and Cash App; investigate and document incidents of potential money laundering, fraud, terrorist financing, elder abuse, human exploitation, employee misconduct investigations, and other illicit activities; work with several law enforcement agencies and track/log inquiries; write and review Suspicious Activity Reports to be transmitted to FinCEN and other applicable agencies. We investigate to ensure the safety and soundness of the Block system and maintain a healthy, compliant user base.

You will support the SIU team by investigating potentially suspicious activity across the Block ecosystem. You will collaborate with the broader Intelligence team to ensure compliance with applicable laws, regulations and industry best practices.

You Will

  • Monitor and act upon high-level, complex compliance-related escalations and referrals within Square and Cash App
  • Investigate and document incidents of potential money laundering, fraud, terrorist financing, and other illicit activities across the Square and Cash App platforms
  • Write and review Suspicious Activity Reports to be transmitted to FinCEN and applicable agencies
  • Use detective-like mentality to investigate potentially suspicious activity across all AML typologies across the Square and Cash App platforms
  • Verify customer and counterparty information and conduct reviews for AML/BSA purposes
  • Work with company partners to ensure full compliance with all applicable laws and policies
  • Occasionally attend compliance-related seminars to stay up to date with the compliance industry

You Have

  • 3+ years experience working within the Law Enforcement or Intelligence Community, with specialization in Drug Trafficking, Human Trafficking or related typologies.
  • Investigative skills, including familiarity with public record research and database tools.
  • Knowledge of AML transaction monitoring/suspicious activity reporting typologies and risks regarding funds transfers/peer-to-peer payments, equities, and cryptocurrency.
  • Intermediate experience with SQL or Snowflake
  • You should demonstrate transaction skills that apply across numerous financial products in complex scenarios
  • Comprehension and understanding of AML laws, rules and regulations
  • Experience and comprehension of Excel and the entire suite of Google products
  • Can work well in a team setting, and liaison with different law enforcement agencies and government agencies
  • Meet regulatory mandates and filing deadlines
  • Support Block Compliance and work in collaboration with Customer Support, Risk, Engineering, and other operations teams within the company as a whole

Technologies We Use and Teach

  • Relevant industry certifications (CAMS, CFE, CFCS, CRCM)
  • Previous experience drafting and authoring SAR narratives for a financial institution such as a bank or broker dealer
  • Create presentations for stakeholders and vendor staff.
  • Experience with QC design, implementation, and operations.
  • Manage projects and tasks end to end autonomously, providing regular updates to management

We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, based solely on the core competencies required of the role at hand, and without regard to any legally protected class. We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we're doing to build an inclusive workplace? Check out our Inclusion & Diversity page

 

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

To find a location’s zone designation, please refer to this resource. If a location of interest is not listed, please speak with a recruiter for additional information. 

 

Zone A:
$106,600—$159,800 USD
Zone B:
$99,100—$148,700 USD
Zone C:
$90,600—$136,000 USD
Zone D:
$80,000—$120,000 USD

Use of AI in Our Hiring Process

We may use automated AI tools to evaluate job applications for efficiency and consistency. These tools comply with local regulations, including bias audits, and we handle all personal data in accordance with state and local privacy laws. 

Contact us at privacy@block.xyz with hiring practice or data usage questions.

Every benefit we offer is designed with one goal: empowering you to do the best work of your career while building the life you want. Remote work, medical insurance, flexible time off, retirement savings plans, and modern family planning are just some of our offering. Check out our other benefits at Block.

Block, Inc. (NYSE: XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we’re helping build a financial system that is open to everyone.

Privacy Policy

See all jobs
Company
News Impact Open Source Bitcoin Careers BUILDER FELLOWSHIP Investors Media Kit Legal Privacy
Brands
Square Cash App Afterpay TIDAL Bitkey Proto
Social
LinkedIn Instagram X
© 2025 Block, Inc. BLOCK and the Block Logo are trademarks of Block, Inc.
  • Open Source
  • Bitcoin
  • Builder Fellowship
  • Investors

You are being connected to our automated chatbot which utilizes generative AI. By continuing, you recognize that Block’s Privacy Notice applies to your use of this tool and you agree to Block’s AI terms of use located here and here.