Remote Senior Onchain Investigator — Blockchain Security

Coinbase; Columbia (SC); Hybrid; USD 180,000 - 212,000; Full time

Job summary

Coinbase is seeking a Senior Onchain Investigator to own end-to-end onchain investigations into threat actors affecting Coinbase and the crypto ecosystem. You will cluster illicit wallets, fuse OSINT with onchain evidence, and convert findings into detections and actions that protect customers and products.

You will lead investigation methodology, mentor teammates, and collaborate with product, engineering, and risk teams to embed threat mitigation throughout the development lifecycle.

Qualifications

• 5 years of investigations, including 3 years investigating onchain illicit activity, cryptocurrency abuse, or blockchain intelligence.
• Deep knowledge of blockchain ecosystems and protocols, including tracing across chains, bridges, mixers, and laundering patterns.
• Proficient with Python or Go and SQL for data analysis, scripting, or tooling development in support of intelligence workflows and automation.
• Track record of creating investigation methods, dashboards, or pipelines that other investigators adopt.
• Proven ability to translate complex technical analysis into clear, actionable intelligence for both technical and non-technical stakeholders, including executive briefings.
• Skilled in conducting open-source intelligence (OSINT) research across a wide range of topics.

Responsibilities

• Own complex onchain investigations into threat actor infrastructure, scam networks, exploits, and related abuse targeting Coinbase and Base.
• Drive clustering and attribution of illicit actors using blockchain analytics, OSINT, and internal data, then operationalize results into Vertex Synapse and downstream controls.
• Build OSINT and onchain analysis pipelines, queries, and dashboards that automate detections and scale investigative capacity across the team.
• Lead post-incident reviews and root cause analyses to identify gaps and recommend enhancements to controls, detection, and overall security posture.
• Partner with product, engineering, and risk teams to embed threat and abuse mitigation strategies into the product development lifecycle from ideation to launch.
• Lead new investigative techniques, teach them across Security, and brief executives with clear risk, impact, and recommended actions.

Skills

Onchain investigations

Blockchain analytics

Python

Go

SQL

OSINT

Executive briefing

Leadership

Tools

Go

SQL

Job description

Coinbase is seeking a Senior Onchain Investigator to own end-to-end onchain investigations into threat actors affecting Coinbase and the crypto ecosystem. You will cluster illicit wallets, fuse OSINT with onchain evidence, and convert findings into detections and actions that protect customers and products.

You will lead investigation methodology, mentor teammates, and collaborate with product, engineering, and risk teams to embed threat mitigation throughout the development lifecycle.