Summer 2026 Mechanical Engineering Internship

About Pacific FusionFounded in 2023, Pacific Fusion is dedicated to transforming the global energy landscape with clean, affordable energy solutions. We are pioneering a pulser-driven inertial fusion system aimed at achieving net facility gain—where the energy output surpasses the energy input. Alongside this, we are focused on developing essential component…

About Pacific FusionFounded in 2023, Pacific Fusion is dedicated to revolutionizing the energy sector by providing abundant, affordable, and clean energy solutions. We are at the forefront of developing a pulser-driven inertial fusion system aimed at achieving net facility gain, meaning more fusion energy output than the energy input required. Concurrently, our team is innovating essential components that will enable the construction of cost-effective fusion systems.Our ambitious vision has attracted over $900 million in funding from esteemed investors, empowering us to make significant strides in our mission. We are assembling a talented team of scientists, engineers, and operators drawn from the fusion community, the hard tech industry, and various other sectors. United by a shared urgency, we aim to provide clean energy solutions to combat climate change while addressing the increasing global energy demand. To learn more about our vision, please refer to this letter from our founders.Why This Role MattersWe are looking for a talented Electrical Engineering Intern to join our innovative team and contribute to the journey toward commercial fusion energy. In this internship, you will take ownership of a project, guiding it through the planning, design, assembly, and testing phases of development. Our goal is for interns to gain hands-on experience in cradle-to-grave design while directly contributing to high-priority projects that are integral to the success of our fusion system.

About Pacific FusionFounded in 2023, Pacific Fusion aims to empower the world with abundant, affordable, and clean energy solutions. We are on an exciting journey to design and construct a pulser-driven inertial fusion system aimed at achieving net facility gain, generating more fusion energy output than stored energy input. Simultaneously, we are working on developing essential components that will enable the creation of cost-effective fusion systems.With over $900M raised from remarkable investors, our ambitious plans are becoming a reality. We are assembling a team of top scientists, engineers, and operators from the fusion community, hard tech industry, and beyond, all driven by a sense of urgency to combat climate change and meet the increasing global demand for energy. Learn more about our mission in this letter from our founders.Why This Role MattersYour role as an Electro-Mechanical Build Technician will be pivotal in aiding our engineering and delivery teams with the establishment of automated manufacturing lines. You will be responsible for the assembly, testing, and validation of electrical and mechanical components that are crucial for our fusion energy systems. Your technical expertise, meticulousness, and proactive mindset are vital for our collective success.

About Pacific FusionFounded in 2023, Pacific Fusion is dedicated to transforming the world through abundant, affordable, and clean energy solutions.We are pioneering the design and construction of a pulser-driven inertial fusion system that aims to achieve net facility gain, producing more fusion energy output than the energy we input. Concurrently, we are working on developing essential components to create cost-effective fusion systems.Our vision is ambitious, having secured over $900 million in funding from esteemed investors, enabling us to realize our objectives. Our team consists of leading scientists, engineers, and professionals from the fusion sector, hard tech industry, and beyond, all driven by a collective urgency to combat climate change while fulfilling the increasing global energy needs. For more insights, you can read this letter from our founders.Why This Role MattersThe Senior Tooling and Ground Support Equipment Engineer will play a crucial role in designing, analyzing, and procuring bespoke handling equipment for lifting, in-factory movement, and overland transportation of Pacific Fusion’s large-scale custom hardware. You will leverage your expertise in heavy lifts, specialty rigging, and factory movements to develop innovative solutions that address unique installation and transportation challenges across multiple sites, all within tight timelines. This position requires you to work onsite at our Los Lunas, New Mexico facility.

About Pacific FusionFounded in 2023, Pacific Fusion is on a mission to revolutionize the world with abundant, affordable, and clean energy solutions. We are at the forefront of designing and constructing a pulser-driven inertial fusion system aimed at achieving net facility gain, providing more fusion energy output than the energy we input. Alongside this, we are innovating essential components to make fusion systems more accessible and economical.Our ambitious vision has attracted over $900 million in funding from esteemed investors, empowering us to realize our goals. We are uniting top scientists, engineers, and operators from the fusion and hard tech industries, driven by a shared urgency to deliver clean energy globally and combat climate change while addressing increasing energy demands. Explore more about us in this letter from our founders.Why This Role MattersThe Manufacturing Engineer plays a crucial role in enhancing current manual processes, transforming them into efficient, reliable, and robust systems. This position is ideal for individuals with a keen instinct for factory operations, capable of implementing practical automation solutions while keeping economic factors in mind. The role requires a proactive mindset in a fast-paced, production-oriented environment, optimizing processes and empowering production teams, engineers, and scientists as they work towards launching our demonstration system.

About Pacific FusionFounded in 2023, Pacific Fusion aims to revolutionize the energy sector by providing abundant, affordable, and clean energy solutions.We are at the forefront of designing and constructing a pulser-driven inertial fusion system, targeting a net facility gain where output exceeds input. Concurrently, we are innovating the essential components necessary for cost-effective fusion technology.With over $900 million raised from visionary investors, we are equipped to realize our ambitious objectives. Our team comprises top-tier scientists, engineers, and operators from the fusion community and hard tech industries, all driven by a common goal: to combat climate change while fulfilling the rising global energy demands. For more about our vision, check out this letter from our founders.Why This Role MattersWe are on the lookout for a passionate Senior Measurements Engineer - Lab Experiments to spearhead the design, construction, operation, and enhancement of our pulsed power systems, which are vital to our experimental fusion platform. This multifaceted role demands hands-on experience across high-voltage systems, controls, diagnostics, and data analysis. The perfect candidate will possess strong technical expertise and the ability to lead research and development workflows, collaborate across various disciplines, and take full responsibility for system performance and advancement.