Director, Reactor Build Center
Diamond Foundry
Software Engineering
Zaragoza, Spain
Posted on Jan 9, 2026
Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.
We're the #1 producer of single-crystal diamond wafers for AI chip thermal management and power electronics, based on a vertically integrated technology stack developed entirely in-house. Diamond Foundry has launched a $2.8B semiconductor fab project in Spain, for which our advanced reactor technology will be built and supplied by our Reactor Build Center located in Zaragoza. We're looking for a Director to run the operation. Availability to travel to the US (Washington, California), and Trujillo, Spain, for about 3 to 6 months
Responsibilities
- Lead and develop a high-performing team while establishing the new Reactor Build Center in a newly constructed facility, ensuring all tools, infrastructure, and processes are put in place.
- Oversee daily operations of reactor assembly, integration, and testing, driving efficiency, quality, and safety through optimized workflows and continuous improvement.
- Partner closely with engineering teams in Spain, the EU, and the U.S. to support prototype builds, production changes, and equipment installations.
Requirements
- Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Industrial Engineering, or a related technical field with 8+ years of experience in industrial machinery, semiconductor equipment, or high-tech equipment assembly environments and 3+ years of people-management experience in production, assembly, or technical operations.
- Hands-on experience with complex mechanical and electrical systems. Exposure to vacuum systems, CVD/PVD equipment, automation, or precision mechanical assemblies is preferred.
- Fluent in Spanish and English (written and spoken) is a must.
- Strong organizational and leadership capabilities with demonstrated experience scaling teams and processes.
Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. All benefits offered are available starting your first day.
Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.