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Senior Mechanical Engineer - Vacuum Systems

pacificfusion · Fremont, CA · Fremont, California, United States
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<div class="content-intro"><h2><strong>About Pacific Fusion</strong></h2> <p>Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy.</p> <p>We are rapidly designing and building a pulser-driven inertial fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems.</p> <p>Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in <a href="https://www.pacificfusion.com/resources/founders-letter" target="_blank"><u>this letter from our founders</u></a>.</p></div><h1><span style="font-family: arial, helvetica, sans-serif;"><strong>Why This Role Matters</strong></span></h1> <p><span style="font-family: arial, helvetica, sans-serif;">This role is critical to design assembly and integration for testing key components of our pulser system.</span></p> <p> </p> <h2><span style="font-family: arial, helvetica, sans-serif;"><strong>What You'll Do</strong></span></h2> <ul> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Design, analyze, and test advanced vacuum systems for target area chambers and diagnostics.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Select and size vacuum components, including pumps, seals, ducts, and valves, ensuring performance in particle-free cryogenic environments.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Rapid prototyping for fusion technology applications.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Lead technical and engineering activities from concept development through final onsite commissioning of vacuum equipment and systems.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Supporting high-voltage electrical switching operations and testing in a vacuum chamber<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Perform experiments to characterize materials for outgassing, permeability, and vacuum compatibility.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Provide solutions to field issues related to vacuum system design and performance.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Collaborate cross-functionally to educate and negotiate design requirements within a multidisciplinary team.</span></li> </ul> <h2><span style="font-family: arial, helvetica, sans-serif;"><strong>What You Bring</strong></span></h2> <ul> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Bachelor’s Degree in Mechanical, Aerospace Engineering or a related field, Master's or PhD is a plus. Alternatively, a minimum of 10 years specialized experience as a senior technician—with demonstrated responsibilities in system design, independent testing, and complex troubleshooting.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Proven expertise in high vacuum systems design, analysis, and construction.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Hands-on experience with vacuum components: chambers, pumps, seals, valves, ducts and clean room techniques.</span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Experience integrating electrical testing in vacuum systems and pressurized systems<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Familiarity with ASME BPVC and B31.3 codes.<br></span></li> <li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Experience with radioactive or toxic gas vacuum systems, novel vacuum pumps, or material characterization</span></li> </ul> <h2><span style="font-family: arial, helvetica, sans-serif;"><strong>Bonus Points For</strong></span></h2> <ul> <li style="font-family: arial, helvetica, sans-serif;">Experience setting up wiring, circuits, control systems, diagnose electrical malfunctions and system failures using testing tools.</li> <li style="fo

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