Senior Mechanical Engineer - Vacuum Systems

Fremont, Canada

Full Time

Posted August 28, 2026

$138k - $220k

Application opens on company website

Source: greenhouse View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed September 29, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
Pay provenance: Employer-provided pay

This role is critical to design assembly and integration for testing key components of our pulser system.

Design, analyze, and test advanced vacuum systems for target area chambers and diagnostics.
Select and size vacuum components, including pumps, seals, ducts, and valves, ensuring performance in particle-free cryogenic environments.
Rapid prototyping for fusion technology applications.
Lead technical and engineering activities from concept development through final onsite commissioning of vacuum equipment and systems.
Supporting high-voltage electrical switching operations and testing in a vacuum chamber
Perform experiments to characterize materials for outgassing, permeability, and vacuum compatibility.
Provide solutions to field issues related to vacuum system design and performance.
Collaborate cross-functionally to educate and negotiate design requirements within a multidisciplinary team.

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.
Proven expertise in high vacuum systems design, analysis, and construction.
Hands-on experience with vacuum components: chambers, pumps, seals, valves, ducts and clean room techniques.
Experience integrating electrical testing in vacuum systems and pressurized systems
Familiarity with ASME BPVC and B31.3 codes.
Experience with radioactive or toxic gas vacuum systems, novel vacuum pumps, or material characterization

Industry-competitive salary
Equity plan
6% employer 401k matching
Generous paid time off (including sick leave, vacation, paid family leave)
Medical, Dental, and Vision insurance
Actual base salary offered will be determined by: experience, skills, and work location. This range is for base salary, our total compensation includes equity and benefits. We welcome you to apply even if your expectations are outside our listed range.