Senior Windows Platform Architect: Kernel & Performance Lead

Malwarebytes; Pennsylvania; Remote; USD 240,000 - 250,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Employee referral bonus

Wellness programs

401k with employer matching (US)

Generous time off

Job summary

Malwarebytes Inc. is seeking a senior Windows Platform Architect to shape and own the low-level parts of our Windows product. You will design, implement, and optimize kernel drivers and user-mode services that run on millions of PCs, ensuring safety, stability, speed, and lightness.

You will lead the US-based Windows tech leadership across teams in the US and Europe. This hands-on role requires deep Windows internals knowledge, extensive kernel experience, and strong C/C++ skills.

Qualifications

• 10+ years building software with deep Windows internals.
• Hands-on kernel driver work including minifilters and callbacks.
• Strong C and C++ skills; experience with C#/.NET performance.

Responsibilities

• Own the design of core Windows components from kernel drivers to user-mode services.
• Make the product fast and light by reducing CPU, memory, and startup time.
• Find and fix hard system issues using crash dumps, traces, and kernel debugging.
• Lead driver signing and certification work with Microsoft.
• Support urgent issues during US hours (certificates, signing, false positives).
• Review Windows features and APIs for usage in our product.

Skills

Windows internals

Kernel driver work

C/C++

C#/.NET performance

Performance debugging

High-rights stability

Technical communication

Tools

WinDbg

ETW

WPA

PerfView

Job description

Malwarebytes Inc. is seeking a senior Windows Platform Architect to shape and own the low-level parts of our Windows product. You will design, implement, and optimize kernel drivers and user-mode services that run on millions of PCs, ensuring safety, stability, speed, and lightness.

You will lead the US-based Windows tech leadership across teams in the US and Europe. This hands-on role requires deep Windows internals knowledge, extensive kernel experience, and strong C/C++ skills.