About the role
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 Orion Security
ORION Security is a cybersecurity company that provides vulnerability assessment, penetration testing, and threat simulation services to help organizations identify and remediate security weaknesses before they can be exploited. The company’s offerings include red team assessments, network and application penetration tests, cloud security evaluations, and adversary emulation exercises that simulate realistic attack scenarios to test defenses and response capabilities. Its platform also supports continuous security validation and automated testing that help security and IT teams maintain visibility into risk exposure as environments evolve. ORION Security works with clients to customize engagements based on specific technology stacks, compliance requirements, and risk tolerances, producing actionable reports that guide mitigation planning and security improvements. The company engages with technical stakeholders to align testing outcomes with security architecture objectives and operational policies. ORION Security’s services aim to support proactive security posture management and strengthen defenses against emerging threats.
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Job details
Location
Tel Aviv-Yafo, Israel
Funding
Total raised
$38M
Last stage
Series A
Investors
Founders
Jonathan Kreiner
Co-Founder & CTO
What happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.