NextGenEnergyJobsRenewable Energy Jobs
CompaniesCitiesIndustries

NextGenEnergyJobs

The #1 platform for renewable energy careers. Join thousands of professionals who've found their dream jobs in renewable energy, sustainability, and renewable tech.

0+Newsletter subscribers
25K+Jobs posted
100+Companies

Sustainability Partners

Sustainability Software DirectoryRefurbished Tech Guide

Find Jobs

  • All Jobs
  • By Location
  • By State
  • International
  • By Industry
  • Top Companies
  • Job Titles

Job Types

  • Remote Jobs
  • Hybrid Jobs
  • Full-time
  • Part-time
  • Contract
  • Internships
  • Visa Sponsored

Experience

  • Entry Level
  • Mid Level
  • Senior Level
  • Executive
  • Remote Internships

Resources

  • Career Advice Hub
  • Top 10 Jobs
  • Solar Sales Salary
  • Become Solar Engineer
  • Salary Insights
  • CV Analyzer
  • Post a Job

Popular Job Locations

San Francisco
245 jobs
Boston
189 jobs
Denver
167 jobs
Austin
143 jobs
New York
298 jobs
Chicago
132 jobs
Seattle
201 jobs
Portland
98 jobs
Los Angeles
176 jobs
San Diego
87 jobs
Washington DC
203 jobs
Atlanta
112 jobs

Hot Remote Specializations

Project ManagerSolar SalesCustomer SuccessData EntryAll Data Entry
© 2026 NextGenEnergyJobs. All rights reserved.
Privacy PolicyTerms of ServiceAbout UsContact
  1. Home
  2. Jobs
  3. Senior Mechanical Engineer
Commonwealth Fusion Systems logo

Senior Mechanical Engineer

Commonwealth Fusion Systems
Milpitas, California
Full Time
Posted October 22, 2025
Nuclear Energy
Apply Now

Application opens on company website

Job Description

A Senior Mechanical Engineer responsible for designing and implementing advanced research and development equipment and complex machinery for fusion energy technology, collaborating across engineering teams to ensure safety, reliability, and high performance.

Key Responsibilities

  • Design and implement advanced R&D equipment and complex machinery
  • Collaborate across engineering and technology functions to ensure equipment safety, reliability, and high performance
  • Solve complex design problems related to machinery and equipment
  • Mentor and guide other team members in engineering tasks

Requirements

  • Possess strong technical expertise in mechanical engineering related to the design and implementation of advanced research and development equipment and complex machinery.
  • Have procedural discipline necessary for designing and implementing complex machinery and equipment.
  • Ability to collaborate effectively across engineering and technology functions to ensure the development of safe, reliable, and high-performance equipment.
  • Experience working on complex design problems in a fast-paced environment.
  • Ability to mentor others in mechanical engineering practices and problem-solving.
  • Compliance with U.S. laws concerning the export of controlled or protected technologies or information, specifically Export Control Laws, as a condition of employment.

Benefits & Perks

Compensation/salary range (not specified in the posting)
Work schedule: Onsite
Work environment perks: Fast-paced environment, collaborative team, diverse perspectives
Additional benefits: Commitment to diversity and inclusion, compliance with export control laws

Ready to Apply?

Join Commonwealth Fusion Systems and make an impact in renewable energy

Apply Now

Stay Updated on Sustainability Jobs

Get the latest renewable energy jobs and career tips delivered to your inbox.

Job Alerts

Get notified about new sustainability jobs

More at Commonwealth Fusion Systems

Lead Production Technician

Devens

Production Technician - Third Shift

Devens$0k

Production Technician Contractor - Second Shift

Somerville$0k

More jobs at Commonwealth Fusion Systems

Commonwealth Fusion Systems logo

Lead Production Technician

Commonwealth Fusion Systems
NEW
DevensDevens, Massachusetts
Full Time
12h
Commonwealth Fusion Systems logo

Production Technician - Third Shift

Commonwealth Fusion Systems
NEW
DevensDevens, Massachusetts
Full Time
12h
$0k-0k/hr
Commonwealth Fusion Systems logo

Production Technician Contractor - Second Shift

Commonwealth Fusion Systems
NEW
SomervilleSomerville, Massachusetts
Contract
12h
$0k-0k/hr