Senior Mechanical Engineer, Lithium Isotope Systems

Marathon Fusion

San Francisco, US

On-site

Job Description

Marathon Fusion in San Francisco is looking for a Senior Mechanical Engineer to work on innovative isotope separation solutions for fusion fuel development. You'll lead design improvements, prototype systems, and document experimental outcomes, collaborating closely with engineers and physicists. Applicants should have a mechanical or aerospace engineering degree and 5+ years of electromechanical system experience. Benefits include medical insurance, 401(k) matching, and relocation support.

#J-18808-Ljbffr

Skills & Requirements

Technical Skills

Mechanical engineeringAerospace engineeringElectromechanical systemsDesign improvementsPrototype systemsExperimental outcomesDocumentingCollaborationMedical insurance401(k) matchingRelocation supportCollaborationCommunicationLeadershipProblem-solvingCritical thinkingMentorshipMechanical engineeringAerospace engineeringElectromechanical systemsFusion fuel developmentHealthcareBenefits

Salary

$81,765+

year

Employment Type

FULL TIME

Level

senior

Posted

4/27/2026

Apply Now

You will be redirected to Marathon Fusion's application portal.