Orion Cyber Security

VAPT, red team, code review specialists

Windows Kernel Engineer

Systems Software EngineeringConfirmed live in the last 24 hours

Full-timeTel Aviv-Yafo, IsraelNo salary listedIn-person

About the Job

Requirements

At least 5 years of experience in Windows kernel engineering.
Experience building Windows or Mac agents.
Expertise in Windows kernel internals and proven experience building and debugging filesystem minifilters or filesystem drivers.
Background in the cybersecurity industry is an advantage, not a requirement.

Responsibilities

Lead the design and development of a Windows filesystem minifilter from scratch and integrate it with the existing agent.
Design and develop a Windows filesystem minifilter from scratch.
Work extensively with Windows kernel internals and filesystem I/O paths.
Implement secure, performant, production-grade kernel-mode code.
Debug complex kernel-mode issues using WinDbg and related tooling.
Analyze crashes, deadlocks, race conditions, memory corruption, and performance bottlenecks.
Develop communication mechanisms between user-mode and kernel-mode components.
Ensure compatibility across modern Windows versions.
Participate in architecture and technical design discussions.

Desired Qualifications

A background in the cybersecurity industry.

Job Description:

We are looking for an experienced Windows Kernel Engineer to lead the design and development of a Windows filesystem minifilter from scratch and integrate it with our existing agent.

The ideal candidate has deep expertise in Windows kernel internals and proven experience building and debugging either:

Filesystem minifilters
Filesystem drivers

What we’re looking for- Key Skills:

Design and develop a Windows filesystem minifilter from scratch
Work extensively with Windows kernel internals and filesystem I/O paths
Implement secure, performant, and production-grade kernel-mode code
Debug complex kernel-mode issues using WinDbg and related tooling
Analyze crashes, deadlocks, race conditions, memory corruption, and performance bottlenecks
Develop communication mechanisms between user-mode and kernel-mode components
Ensure compatibility across modern Windows versions
Participate in architecture and technical design discussions

Requirements:

5+ years of experience in Windows Kernel Engineering
Experience in building Windows/Mac agents
Background in the cybersecurity industry- Advantage!

Technologies:

Windows Kernel / Windows Internals
Filesystem Minifilters
Filesystem Drivers
C / C++
WinDbg
WDK
Visual Studio
Go

About the Company

Orion Cyber Security

VAPT, red team, code review specialists

Orion Cyber Security provides cybersecurity services including VAPT, Red Team attack simulations, and Source Code Review tailored to each client. It uses a mix of manual and automated testing to find vulnerabilities, simulates real attacker techniques, and inspects code to identify flaws with prioritized remediation guidance. The team consists of highly experienced, industry-certified experts (OSWE, OSCP, CRTP, CRTE, CEH, eCPPT, etc.) and offers customized engagements that combine offensive and defensive security services plus education programs. Its goal is to protect client infrastructure while educating the broader community to build a safer digital future.

Company size: 1-10
Company stage: Not listed
Total funding: Not listed
Headquarters: Not listed
Founded: 2023

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