Staff Software Development Engineer - Windows Endpoint
Core
Windows kernel authority for the runtime enforcement layer of an Identity Security Platform, deciding in-kernel whether to permit or deny actions by identities or AI agents on Windows endpoints.
Role type
Staff Software Development Engineer (Windows Kernel/Driver)
Builds
Kernel-mode enforcement drivers (file-system, process/thread creation, handle operations, registry access) and the userspace agent for installation and driving.
Domain
Cybersecurity / Identity Security / Windows Systems Programming
Deliverable
production ML models | product features
Required skills
Windows kernel internals (I/O manager, IRP flow, object manager, memory management, security model), C/C++/Rust kernel-mode driver development, WHQL attestation and EV code signing, Windows isolation model (containers, job objects, silos), kernel debugging (WinDbg, ETW, Driver Verifier), AI-first development workflows
Preferred skills
Cross-stack architecture review participation, mentoring senior/mid-level engineers, agile product release experience
Technologies
C, C++, Rust, WDK, WDF/KMDF, WinDbg, ETW, Driver Verifier, WHQL, EV Code Signing
Responsibilities
Design and own kernel-mode enforcement drivers; own the kernel/user-mode enforcement boundary; drive down enforce-mode latency; extend enforcement into containers and isolation; harden portability across Windows builds; partner on shared policy semantics and event schema; mentor engineers on Windows systems and kernel-driver craft
Seniority
Staff, technical leadership & end-to-end ownership