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Software Is Eating the World

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Toka

a16z portfolio company

Vulnerability Researcher

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

About the role

Posted Sep 18, 2026

We are looking for talented, fast learners to work on vulnerability research and exploitation in embedded and IoT environments. This role is ideal for researchers with strong low-level backgrounds who want to deepen their expertise in IoT and embedded systems security while working on real-world, complex technologies

You will analyze proprietary software and hardware, apply a deep understanding of low-level systems, and take your research from initial discovery to a full end-to-end solution in production.



  • 5+ years of experience as a security researcher or industry-equivalent experience.
  • Understanding of memory corruption (Stack/Heap, UAF) and logical vulnerabilities (Injection, Logic/Design flaws, TOCTOU).
  • Understanding of common security mitigations such as ASLR, DEP, and CFI.
  • Expertise in OS internals, file systems, network protocols and cryptography concepts.
  • Hands-on experience with reverse engineering and debugging tools such as IDA Pro or Ghidra, and GDB.
  • Proficient in Assembly, C, and Python.
  • 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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