Staff Windows Endpoint Driver Engineer

Build Windows endpoint drivers that enforce security inline, combining kernel internals, performance engineering, and production stability expertise. BeyondTrust seeks a Staff Software Development Engineer to own Windows endpoint enforcement within its Identity Security Platform. You will design kernel-mode components that evaluate file, process, thread, handle, and registry activity. The position spans driver development, userspace policy evaluation, and fleet-scale reliability. Key Responsibilities:

Implement inline deny decisions inside Windows kernel enforcement drivers Manage kernel event capture and hash-keyed enforcement caches Reduce latency during heavy process churn across large fleets Harden drivers across Windows builds, PatchGuard, HVCI, and verifier requirements Mentor engineers in Windows systems and kernel-driver development Requirements:

Eight-plus years developing systems-level software Shipped file-system minifilters or comparable callback-based security drivers Strong understanding of IRQL, synchronization, reentrancy, and safe buffers Experience with Windows isolation, containers, AppContainer, silos, and job objects Full-lifecycle product release and technical leadership experience Use Windows driver development, kernel debugging, and performance judgment to deliver reliable endpoint enforcement at scale.

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