**Overview** Are you a hands-on Engineering Manager who loves building foundational systems at a massive scale — and pushing the frontier of what AI can do in real products? Do you thrive where distributed systems, ML, signal processing, and product feedback intelligence intersect? Do you care deeply about fostering a great team? We are looking for an Engineering Manager for Substrate (Bizchat/Copilot Platform) who embraces these roles and the cultural values of inclusion and belonging and feels empowered to do the following: **Coach** – Work with each person on your team to help them to do their best work and grow. You define and foster an identity for the team that includes a reputation for high quality, reliability, and inclusivity. **Guide** – Define the business goals for the team then create and execute on a plan to meet those goals. You will build a vision for changing the underlying technology of the service and guide the team through landing it while maintaining the availability of the live site. **Collaborate** – Strive to understand the motivations and goals of the teams we’re working with and work towards a better solution together. **Engineer** – Care deeply about the availability, resilience, latency, scalability and cost of the critical 5-9s service we are running. You are excited about making major changes to the service while maintaining availability and latency Microsoft 365 is the fastest growing cloud services business in Microsoft. M365 brings together cloud versions of our most trusted communications and collaboration products like Exchange, SharePoint, OneDrive and Skype with the desktop suite of Office products in an always up-to-date integrated service offering. Since its launch, the service has made it easier for millions of information workers across the world in small, medium, and large enterprises to use the best of Microsoft’s business productivity solutions via the cloud. The service now extends the same capability to consumer communication and collaboration products. Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. **Responsibilities** + Lead a team focused on M365 Copilot backend services, with a focus on scalability, reliability, and efficiency. + Collaborate with engineering and research teams across M365 to co-design and ship performance optimizations in M365 AI products. + Provide strategic direction and apply deep technical knowledge to drive measurable business impact. + Guide technical design, dependency management, and documentation across services and platforms. + Drive code optimization, refactoring, and reuse to improve system performance, maintainability, and ROI. + Act as DRI and lead on-call operations, ensuring system health and rapid incident response across product lines. + Own product scalability and performance, applying engineering best practices and holding accountability for quality and customer satisfaction. **Qualifications** **Required Qualifications:** + Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. + 3+ year(s) of people management experience. + Demonstrated past hands-on experience working deeply with data, data analytics, and strong chops. **Other Requirements:** + Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings: **Microsoft Cloud Background Check** : This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter. **Preferred Qualifications:** + Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python + OR equivalent experience. + 4+ years people management experience. This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations. (https://careers.microsoft.com/v2/global/en/accessibility.html)