Senior Mechanical Technician (Startup Environment)
Inertia
Livermore, CA, USA
USD 90k-100k / year
Posted on Mar 6, 2026
Location
Livermore
Employment Type
Full time
Location Type
On-site
Department
Design and Engineering
Overview:
We are seeking a highly skilled Senior Mechanical Technician to support advanced precision mechanical design, fabrication, and system integration efforts. This role requires a hands-on problem solver who can work independently, manage multiple tasks simultaneously, and contribute to innovative technical solutions.
This role is ideal for someone who enjoys ownership, variety, and solving problems without waiting for step-by-step instructions.
Primary Responsibilities:
Design and build mechanical components and assemblies from concept to prototype
Create, modify, and maintain mechanical drawings and documentation
Fabricate parts using shop tools, machining, and rapid prototyping methods
Work with and integrate basic electronics and electromechanical systems
Troubleshoot and iterate on prototypes quickly
Juggle multiple projects and shifting priorities in a startup setting
Develop creative, practical solutions to open-ended technical problems
Communicate clearly with engineers, founders, and teammates
Document designs, changes, and build processes so others can follow
Qualifications:
Experience as a mechanical technician or similar hands-on role
Strong mechanical design and drawing skills
Demonstrated hands-on fabrication and build experience, including minor machining, soldering, working with pressure systems, and performing equipment maintenance
Working knowledge of electronics and system integration
Ability to work independently with minimal supervision
Comfortable wearing multiple hats and switching tasks as needed
Strong problem-solving mindset — you figure things out and make them better
Clear communicator who values good documentation
Preferred Qualifications:
CAD experience (SolidWorks, Fusion 360, AutoCAD, etc.)
Experience with prototyping, R&D, or custom hardware
Clear communicator who values good documentation
What We Offer
High ownership and direct impact on product development
Collaborative, small-team environment
Opportunity to grow with the company
Salary & Benefits:
The base salary range for this role is $90,000 - $100,000; The pay range provided is an estimated base range for this role. Exact compensation may vary based on skills, experience, and education.
We offer market-competitive compensation and an excellent benefits program, including Medical, Dental, and Vision plans, company-paid holidays, matching 401k, and more!
About Inertia:
Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.