Avalanche Energy
Sr Mechanical Engineer (Vacuum Systems)
$130K–$190K
Seattle, Washington · On-site · Senior · Full-time · Posted Oct 22, 2026
- Experience
- 2–5 years of post-degree experience.
- Education
- B.S. degree or higher in mechanical engineering, aerospace engineering, or a closely related field.
- Visa sponsorship
- Applicants must be a “U.S. person” as defined by U.S. trade control laws (U.S. citizen, lawful permanent resident, or protected individual) to comply with U.S. export control laws.
About the job
Designs, builds, tests, and maintains vacuum and mechanical systems for compact fusion experiments and laboratory infrastructure.
What you'll do
- Design, fabricate, assemble, test, and iterate vacuum hardware and other mechanical systems for experiments.
- Troubleshoot vacuum, thermal, structural, alignment, and hardware-fit issues; support experiment operation and maintenance.
- Collaborate with experimental teams and improve laboratory mechanical practices, documentation, and build processes.
What they ask for
- B.S. or higher in mechanical engineering, aerospace engineering, or a closely related field.
- 2–5 years of post-degree experience in hands-on mechanical engineering roles.
- Proficiency in 3D CAD; experience designing, assembling, and operating vacuum systems.
- Experience in thermal management, machine-shop fabrication and precision assembly; familiarity with FEA tools.
Nice to have
- Experience with laboratory or scientific-instrument hardware, ceramic materials, or high-vacuum/ultra-high-vacuum systems.
- Experience with fusion or plasma hardware, precision machining, cryogenic systems, or high-pressure hardware.
Pay
$130K – $190K (base salary)
Tools
SolidWorks, CATIA, ANSYS, Abaqus, MACOR, Alumina
Model-written summary · the original posting is authoritative