Software Engineer – Threat Protection (C++)

McAfee•Waterloo, ON

7d•CA$100,773 - CA$136,338•Hybrid

About The Position

We are looking for an experienced C++ Software Engineer to join our engineering team. As part of the Windows Antimalware Team, you will build high-quality Windows threat protection software that is delivered in our flagship McAfee products. Reporting to the Software Engineering Manager, this team delivers software that keeps our customers’ machines free from harmful malware and potentially unwanted programs. This is a Hybrid Position located in either Waterloo or Toronto, Canada. We are only considering candidates within a commutable distance to either location. You will be required to be onsite on an as-needed basis; when not working onsite, you will work from your home office. Develop and debug Windows user mode software in a collaborative environment using secure software development practices. Drive the architecture and design of new threat protection features and capabilities. Build software that interacts with Windows system components such as processes, services, registry, file system objects, and system configuration. Use telemetry, logs, crash data, and data analysis to investigate in-field customer issues and improve product behavior. Triage and resolve complex defects using a variety of Windows debugging tools and techniques. Work across the software development lifecycle, from design and implementation to validation and operational improvement. Collaborate with teammates across engineering disciplines to break down work, review code, and deliver high-quality solutions. Mentor junior engineers and contribute to a strong engineering culture.

Requirements

4+ years of experience in C++ software development including design, development, code review and defect investigation.
Highly proficient in modern C++, multithreading, IPC and System Programming.
Strong debugging skills using tools such as Visual Studio and WinDBG.
Ability to investigate and triage system state issues using logs, telemetry, crash data, and Windows diagnostic tools.
Experience working with Windows APIs related to process control, services, registry, file system operations, and system configuration.
Experience using AI coding tools for assisted and/or agentic software development.
Ability to analyze data using SQL or Python.
Excellent communication skills.
Experience working on a team.

Nice To Haves

Kernel debugging analysis
Experience with data analysis using Databricks
Analyzing performance using Windows performance analysis tools

Responsibilities

Develop and debug Windows user mode software in a collaborative environment using secure software development practices.
Drive the architecture and design of new threat protection features and capabilities.
Build software that interacts with Windows system components such as processes, services, registry, file system objects, and system configuration.
Use telemetry, logs, crash data, and data analysis to investigate in-field customer issues and improve product behavior.
Triage and resolve complex defects using a variety of Windows debugging tools and techniques.
Work across the software development lifecycle, from design and implementation to validation and operational improvement.
Collaborate with teammates across engineering disciplines to break down work, review code, and deliver high-quality solutions.
Mentor junior engineers and contribute to a strong engineering culture.