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Software Is Eating the World

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Toka

a16z portfolio company

Senior Vulnerability Researcher

Location
Tel Aviv
Work arrangement
On-site
Job type
Full-time

About the role

Posted Sep 18, 2026

We are looking for a senior researcher to focus on vulnerability research and exploitation in embedded environments.

In this role, you will research proprietary technologies and analyze complex IoT and embedded devices.

You will be responsible for taking your research from initial discovery to a full end-to-end solution in production.

  • 8+ years of relevant industry experience as a low-level vulnerability researcher.
  • Proven track record of finding memory corruption vulnerabilities (stack/heap overflows, UAF, TOCTOU, etc.).
  • Proven track record of developing complex exploits.
  • Excellent understanding of common security mitigations such as ASLR, DEP, and CFI.
  • Excellent understanding OS internals, network protocols and cryptography concepts.
  • Proficient in Assembly, C, and Python.
  • Expert with IDA Pro / Ghidra, and GDB.
  • B.Sc. or M.Sc. in Computer Science, Mathematics, or Engineering.
  • Published research (CVEs, blog posts, or talks).
  • Experience with RF communication schemes such as WiFi, Bluetooth, GPS…
  • Experience with developing / researching in Android / iOS environments.

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At a glance

Location
Tel Aviv
Workplace
On-site
Employment
Full-time
Team
R&D
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The company

Toka

Toka

Toka is a cyber capacity-building company that helps design, build, and manage a tailored ecosystem of cyber capabilities and software products for governmental, law enforcement, and security agencies. Founded by leaders with unparalleled experience in the political, military, and corporate worlds, Toka enables agencies tasked with keeping the digital landscape, their citizens and government institutions secure. Working across the strategic, operational and tactical levels, with a deep hands-on technical experience, Toka can address the full breadth of its clients' cybersecurity needs, including the development of new technologies to meet customers' requirements.

Series B51–200 employeesEnterprise
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