Commonwealth Fusion Systems · 7 hours ago
Welder - Weekend - Second Shift
Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. They are seeking a Production Welder responsible for performing manufacturing in-house welding work for cutting edge high-field superconducting magnets.
Clean EnergyElectrical DistributionEnergyEnvironmental EngineeringRenewable Energy
Responsibilities
Weld and inspect large metallic structures and tooling within specified timelines and budgets
Set up welding processes as per specifications, incl. determining the correct equipment to use and methods based on the requirements
Read and analyze drawings and take detailed measurements to plan the project layout
Cut and join material
Perform hand welding or semi-automated welding. Utilize advanced forms of welding when needed. Weld components in vertical, flat, and overhead positions
Provide manufacturability feedback to design engineers for weld geometries and material selection
Perform welding equipment qualification trials
Troubleshoot and resolve manufacturing discrepancies with a focus on continuous improvement
Follow safety procedures at all times
Qualification
Required
Documented Training or Certification in most of the following: Blueprint Reading and Fabrication, Gas Metal Arc Welding (GMAW), Gas Tungsten Arc Welding (GTAW), Advanced Shielded Metal Arc Welding (SMAW)
5+ years' experience as a welder on large structural systems and tooling
Experience with large metallic structures and manufacturing processes related to welding
Experience in producing welds to pass industry standard requirements
Experience welding stainless steel
Experience using GTAW process to weld copper
Ability to lift up to 50 lbs regularly
Perform activities such as stooping, typing, standing, and sitting for extended periods of time
Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
Willingness to travel occasionally or do required nights/weekends/on-call
Preferred
Experience in welding for pressure vessel, aerospace, and/or nuclear applications
GTAW, GMAW, SMAW, Electron Beam and Laser Welding Experience
Experience operating mechanized or automated welding equipment
The ability to read and interpret technical drawings and documentation
Excellent attention to detail
Knowledge of various forms of welding equipment and procedures
The capacity to work unsupervised
A detailed understanding of mathematical and numerical data and calculations
Project and time management
Benefits
Competitive compensation with equity
13 Company-wide Holidays
Flexible vacation days
10 sick days
Generous parental leave policy
Health, dental, and vision insurance
401(k) with employer matching
Professional growth opportunities
Team-building activities
Company
Commonwealth Fusion Systems
Commonwealth Fusion Systems designs and develops commercial fusion energy systems to produce clean energy.
Funding
Current Stage
Late StageTotal Funding
$2.88BKey Investors
GoogleUS Department of EnergyTiger Global Management
2025-08-27Series B· $863M
2025-06-30Corporate Round
2024-06-06Grant· $15M
Recent News
2026-01-13
2026-01-12
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