Senior Windows Platform Architect: Kernel & Performance

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

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k matching

Time Off policy

Job summary

Malwarebytes is seeking a Windows Platform Architect to shape the core of our Windows product. This hands-on senior technical role designs and builds low-level components that run on millions of PCs, ensuring safety, stability, speed, and lightness.

You will lead Windows internals work with US hours, collaborate with our US and Europe teams, and mentor engineers while leveraging AI tools to accelerate design, build, and test.

Qualifications

• 10+ years building software with deep focus on Windows internals.
• Hands-on kernel driver work: file system minifilters, kernel callbacks, and the Windows driver model
• Strong C and C++ skills
• Experience with C# and .NET performance, including startup time and memory use
• Skill with performance and debugging tools such as WinDbg, ETW, WPA, and PerfView
• Experience shipping software that runs with high rights on a large number of PCs, where stability matters most
• A track record of solving hard problems and shipping production software
• Clear writing and speaking, and a habit of sharing knowledge with others

Responsibilities

• Own the design of core Windows components, from kernel drivers to user mode services
• Make our product fast and light: cut CPU use, memory use, and startup time
• Find and fix hard system issues using crash dumps, traces, and kernel debugging
• Lead driver signing and certification work with Microsoft
• Help resolve urgent issues during US hours, such as certificate, signing, or false positive problems
• Review new Windows features and APIs and decide how we should use them
• Work with Research to bring new protection features down to the OS level
• Use AI tools to speed up how we design, build, and test
• Coach engineers on Windows internals and good design
• Deliver clear gains in memory and CPU use across our Windows product
• Lead the design of at least one major driver or core component change
• Become the go-to person for Windows platform issues during US hours

Skills

Windows internals

Kernel drivers

C/C++

C# and .NET

Performance debugging

High-privilege software

Writing & communication

Problem solving

Technical leadership

Tools

WinDbg

ETW

WPA

PerfView

Job description

Malwarebytes is seeking a Windows Platform Architect to shape the core of our Windows product. This hands-on senior technical role designs and builds low-level components that run on millions of PCs, ensuring safety, stability, speed, and lightness.

You will lead Windows internals work with US hours, collaborate with our US and Europe teams, and mentor engineers while leveraging AI tools to accelerate design, build, and test.