Lead Software Engineer, Engine Systems

We need you 

The minions of hell are growing stronger… 

Join us as we continue to shape the Diablo universe! Diablo games are action RPG experiences with endless evil to slaughter, countless abilities to master, nightmarish Dungeons, and legendary loot. Come work with us, and together we’ll create something amazing. Our team of passionate developers is growing. 

We are seeking a Lead Engine Systems Engineer to help drive the creation of new ARPG experiences within one of Blizzard’s most iconic worlds, Diablo. In this role, you will lead and support a team of engineers focused on advancing the core technology that powers the game, including streaming, asset loading, job scheduling, performance systems, platform support, and key runtime systems across audio, physics, UI, VFX, and more. 

You will partner closely with engineering leadership and cross-disciplinary teams to identify technical risks, shape priorities, and guide the roadmap for critical systems that enable smooth, stable, and performant gameplay across platforms. This role balances hands-on technical contribution with team leadership, helping deliver scalable engine technology that supports both current and future Diablo experiences. 

 
This role offers a flexible hybrid work week, with a mix of remote and on-site days. While hybrid is the standard arrangement, you're also welcome to work on-site full-time if you prefer. Our primary studio locations are Irvine, CA or Albany, NY. 

Responsibilities 

• Manage, evaluate, and mentor the engineering staff of the engine core team. 

• Act as the primary point of contact for required engine functionality, collaborating with multi-disciplinary stakeholders and with project leadership to define and execute project requirements. 

• Partner with the production staff and the rest of the leadership team for milestone planning and tracking development progress. 

• Author and maintain technical design documents that outline key project architectural decisions, features, milestones, and technical risks. 

• Provide engine-based guidance and define best practices that empower designers, artists, and gameplay engineers to deliver the vision of the game and ensure we delight and entertain our players. 

• Partner in driving processes and tooling necessary to ensure the game runs smoothly and efficiently across multiple hardware platforms of varying capabilities. 

Minimum Requirements 

Experience 

• 8+ years of experience in game development engineering, or a combination of applicable training and experience. 

• Experience working in proprietary C++ engines, Unreal Engine, or similar AAA game engine environments. 

• Experience tuning engine systems to run efficiently on PC and modern consoles. 

• Previous leadership experience, including at least one shipped game title. 

• Strong experience with multithreading, performance analysis, and code optimization. 

• Ability to author, debug, and optimize production-grade C++ code. 

• Ability to make frequent, readable, and well-tested code commits. 

• Strong communication skills, with the ability to articulate technical vision, share ideas and learnings, and provide meaningful feedback. 

• Excellent problem-solving and debugging skills. 

• Experience mentoring engineers, growing technical talent, and developing others in areas of expertise. 

Extra Points: 

• Experience in creating technologies to enable large-scale AAA-game development productions to meet performance, scope, and timeline requirements. 

• Computer science, mathematics, physics, or related degree(s). 

• Experience making games with large, open worlds. 

 
Your Platform 

Best known for iconic video game universes including Warcraft®, Overwatch®, Diablo®, and StarCraft®, Blizzard Entertainment, Inc. (www.blizzard.com), a division of Activision Blizzard, which was acquired by Microsoft (NASDAQ: MSFT), is a premier developer and publisher of entertainment experiences. Blizzard Entertainment has created some of the industry’s most critically acclaimed and genre-defining games over the last 30 years, with a track record that includes multiple Game of the Year awards. Blizzard Entertainment engages tens of millions of players around the world with titles available on PC via Battle.net®, Xbox, PlayStation, Nintendo Switch, iOS, and Android. 

Our World 

Activision Blizzard, Inc., is one of the world's largest and most successful interactive entertainment companies and is at the intersection of media, technology and entertainment. We are home to some of the most beloved entertainment franchises including Call of Duty®, World of Warcraft®, Overwatch®, Diablo®, Candy Crush™ and Bubble Witch™. Our combined entertainment network delights hundreds of millions of monthly active users in 196 countries, making us the largest gaming network on the planet! 

Our ability to build immersive and innovative worlds is only enhanced by diverse teams working in an inclusive environment.  We aspire to have a culture where everyone can thrive in order to connect and engage the world through epic entertainment. We provide a suite of benefits that promote physical, emotional and financial well-being for ‘Every World’ - we’ve got our employees covered! 

The video game industry and therefore our business is fast-paced and will continue to evolve. As such, the duties and responsibilities of this role may be changed as directed by the Company at any time to promote and support our business and relationships with industry partners 

We love hearing from anyone who is enthusiastic about changing the games industry. Not sure you meet all the qualifications? Let us decide! Research shows that women and members of other under-represented groups tend to not apply to jobs when they think they may not meet every qualification, when, in fact, they often do! We are committed to creating a diverse and inclusive environment and strongly encourage you to apply. 

We are committed to working with and providing reasonable assistance to individuals with physical and mental disabilities. If you are a disabled individual requiring an accommodation to apply for an open position, please email your request to [email protected]. General employment questions cannot be accepted or processed here. Thank you for your interest.  

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, gender identity, age, marital status, veteran status, or disability status, among other characteristics.