Stack Engineering Intern

Bloom Energy • San Jose, CA

9d • $36 - $61 • Onsite

About The Position

This is a 10-week internship starting June 8 or 15 and is fully on-site at the listed office location. Company Overview At Bloom Energy, our vision for a world powered by clean, reliable, and affordable energy is more than just a dream—we’re making it a reality. For over two decades, we’ve been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what’s possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled “time-to-power” capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm. At Bloom, we thrive on collaboration, bold thinking, and relentless innovation. We believe that, together, we can create a brighter, more sustainable future while tackling the most pressing challenges of the 21st century. Department Overview The Stack Engineering team develops core SOFC and SOEC technologies, focusing on material selection, component design, and fuel cell architecture to deliver high-performance, cost-effective, and reliable energy systems. We work closely with cross-functional teams and lead key qualification efforts to drive continuous improvement and innovation.

Requirements

• Pursuing a Bachelor’s (4th year), Master’s, or Ph.D. degree in Mechanical Engineering, Chemical Engineering, or Material Science
• Must be graduating between Spring 2026 and Summer 2027

Nice To Haves

• Strong written, verbal, and interpersonal communication skills
• Demonstrated ability to work independently and effectively within cross-functional teams, in a fluid and fast-paced environment
• Exceptional analytical skills and attention to detail
• Strong self-starter and team player, with a “can-do” attitude.
• Highly resourceful, and a “big picture” thinker
• Strong drive for results and continuous improvement
• Hands-on experience in engineering testing or lab experiments preferred

Responsibilities

• Work within the stack engineering team to develop new SOFC (solid oxide fuel cell) materials and components.
• Draw on extensive expertise in electrochemistry and high temperature materials to identify promising materials, define functional requirements, establish and execute characterization studies on the component and stack level, and evaluate performance and degradation against established metrics
• Work cross-functionally to qualify critical components for production, from design & drawing, analysis of experiments, specification development, first article and lifecycle management
• Work with cross-functional teams to define component specifications.
• Work with raw material and component suppliers to meet technical requirements, and execute continuous improvement plans for performance, cost, yield, and reliability
• Evaluate new inks, powders, and processing methods.
• Establish new component-level testing, test equipment, and testing protocols as appropriate to study performance, robustness, and degradation mechanisms.
• Explore new characterization methods and develop new metrology to advance technical learning and improve product quality.
• Prepare and test fuel cell components and stacks

What This Job Offers

• Job Type: Full-time
• Career Level: Intern
• Number of Employees: 1,001-5,000 employees