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Senior Engineer - OS Security R&D

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Onsite

Senior Engineer - OS Security R&D

Sleek

Senior Engineer - OS Security R&D

Skills

PythonRCybersecurity

2 months ago

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Important information


Contract type:

Permanent

Location:

Ramat Gan, Israel

Work mode:

Onsite

Published on:

25 August 2026

What they need


Sleek is unlike any other cybersecurity company.

We work hand in hand with Israel's security institutions to deliver products that make a unique impact -things that simply cannot happen anywhere else.

To tackle the most complex challenges, we employ the brightest minds in low- & high level R&D, vulnerability research and full-stack development.

If you're curious, intelligent and eager to make a strategic impact on Israel's national security, your place might be with us .

About the Job

In this role you will be part of a high-performing R&D team , developing sophisticated endpoint solutions for various platforms .

You will be spearheading the development of products end-to-end, while exploring innovative technological ideas and turning them into production-quality solutions - from early ideation through design, implementation, and deployment.

This is a unique role, tackling complex problems involving OS internals and low-level system development. You’ll work closely with top-tier engineers, cross-functional partners and clients.

Your knowledge, skills and qualities:

  • 5+ Years in the Cyber Security R&D field.
  • A team player with strong communication and problem-solving skills.
  • Experience with C/C++ and Python.
  • Deep understanding of OS Internals principles.
  • Strong understanding of network protocols.

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