Chainalysis is hiring a Senior Security Researcher, Hexagate in R&D — Tel Aviv Office. The overview below is synthesized from the employer posting on jobs.ashbyhq.com: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
Hexagate (acquired by Chainalysis) is on a mission to make Web3 safe and secure for everyone. We’ve built a real time security platform that is securing billions of dollars, and protecting the largest companies in the space from being compromised by nation-state threat actors.
The Hexagate security team is a small team responsible for deep technical innovation, security research, and rapid AI-based business-facing products.
We are looking for a talented Researcher, who is excited about new and interesting technologies, and can push the organization forward by developing new products, from design, through POC, to production.
The position is office-based in Tel Aviv.
In this job, you'll:
- Design, implement and improve exploit detection models and frameworks
- Be an expert on bleeding-edge web3 technologies
- Write excellent code and be an integral part of engineering efforts
- Solve sophisticated technical problems and "make hard things work"
- Work in a small, agile, fast-moving team that is best in class
We’re looking for candidates who have:
- Proven experience in research in highly technical environments / low level R&D
- Ability to excel in a dynamic environment with rapidly changing requirements
- Previous experience in software development or R&D style teams
Nice to have experience:
- Blockchain prior experience / interest
- Experience with Python, Go, or Rust
- Experience with classic data science / machine learning
- Experience with building agentic LLM-powered products
Technologies we use:
- Python
- Go
- Rust
- Agentic workflows
AI at Chainalysis
AI is not a feature at Chainalysis - it is a new way of working. One that turns instructions into work done, and helps us move faster than the threats we're built to counter, and we expect our employees to take ownership of the output and ensure quality.
AI fluency is tied directly to how we measure performance and how we plan to win. There is no substitute for your own curiosity.
About Chainalysis
Company context from the listing:
Chainalysis is the blockchain data platform, making it easy to connect the movement of digital assets to real-world services. Powered by deep blockchain data and AI, organizations can investigate illicit activity, manage risk exposure, and develop innovative market solutions built on the industry's most trusted blockchain intelligence.
You belong here.
At Chainalysis, we believe that diversity of experience and thought makes us stronger. With both customers and employees around the world, we are committed to ensuring our team reflects the unique communities around us.
We encourage applicants across any race, ethnicity, gender/gender expression, age, spirituality, ability, experience and more. If you need any accommodations to make our interview process more accessible to you due to a disability, don't hesitate to let us know.
Build a standout application
For the Senior Security Researcher, Hexagate at Chainalysis, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it. Add links to public work, keep formatting scannable, and close with a clear ask. Hiring managers skim — make impact obvious in the first half-page.
Career growth in Web3 rewards continuous learning. Follow protocol changelogs, practice with testnets, and contribute to open issues. Small, consistent contributions compound into credibility more than one-off credentials.