Senior Windows Platform Architect Lead Kernel & Performance

Malwarebytes; Georgia; On-site; USD 240,000 - 250,000; Full time

Benefits offered by this job

Medical, dental, and vision

Referral program

Wellness programs

401k with match

Time off policy

Impactful work

Job summary

Malwarebytes is seeking a Windows Platform Architect to design and build low-level Windows components, from kernel drivers to user-mode services. This hands-on senior role focuses on making the product fast, light, and stable across millions of PCs, working with global teams in the US and Europe.

You will lead driver signing, troubleshoot complex Windows issues, review new Windows features, and mentor engineers in Windows internals.

Qualifications

• 10+ years building software with emphasis on Windows internals.
• Hands-on kernel driver work and the Windows driver model.
• 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 our product fast and light: reduce 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.
• Assist during US hours with certificate/signing or false positive problems.
• Review new Windows features and APIs and decide how to use them.
• Collaborate with Research to bring protection features to the OS level.
• Utilize AI tools to speed up design, build, and test processes.
• Coach engineers on Windows internals and good design.
• Deliver clear gains in memory and CPU usage across the Windows product.
• Lead the design of at least one major driver or core component change.
• Be the go-to person for Windows platform issues during US hours.

Skills

Windows internals

Kernel driver work

C/C++ programming

C# / .NET performance

Performance debugging

Software design principles

Communication

Tools

WinDbg

ETW

WPA

PerfView

Profiling tools

Windows driver model

Job description

Malwarebytes is seeking a Windows Platform Architect to design and build low-level Windows components, from kernel drivers to user-mode services. This hands-on senior role focuses on making the product fast, light, and stable across millions of PCs, working with global teams in the US and Europe.

You will lead driver signing, troubleshoot complex Windows issues, review new Windows features, and mentor engineers in Windows internals.