Commonwealth Fusion Systems · 1 day ago
Lead Production Welder
Devens, MA
Full-time
Onsite
Senior Level
$30/hr - $50/hr
5+ years expCommonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. The Lead Production Welder is responsible for leading a skilled welding team to fabricate high temperature superconducting magnets and assemblies, ensuring quality and efficiency in production processes.
Clean EnergyElectrical DistributionEnergyEnvironmental EngineeringRenewable Energy
Responsibilities
Support production welding operations including coordinating welding operations, maintaining welder continuity, supporting first encounters, planning and execution of weld repairs, and process improvement projects
Advise and monitor welder safety
Provide weldability/manufacturability feedback to engineers for drawings, weld geometries, and tool access
Train & certify welders to meet Production needs, provide technical guidance, and maintain records of welder certification
Review and prepare welding instructions to ensure welders are familiar with the requirements and equipped to meet them
Define and standardize welding best practices across CFS Production
Implement welder feedback into welding procedures and work instructions
Standardize and manage weld consumables, production weld equipment
Qualification
Required
High school Diploma
5+ years experience as a welder and/or welding operator in a manufacturing environment or on large structural systems and tooling
Understanding of weld drawings, symbols, terminology, and specifications
Familiarity with welding standards, including ASME BPVC Sec IX, ASME B31.1, AWS D1.1
Knowledge of safety requirements and practices, particularly as they relate to joining applications
Familiarity with welding, brazing, cutting equipment, theory, and application
Familiarity with Welding Inspection techniques, including visual inspection (VT), X-ray inspection (RT), dye penetrant (PT), ultrasonic inspection (UT), and magnetic particle testing (MT)
Familiarity working with stainless steel, aluminum, copper, refractory and nickel based alloys
Knowledge of Base Material and Welding Materials, including a basic understanding of welding metallurgy, weldability characteristics of base and filler metals
Proficiency with GMAW, GTAW, SMAW, FCAW processes and semi-automatic, mechanized and robotic equipment
Ability to obtain professional certifications such as AWS Certified Welding Inspector
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
Knowledge of material testing methods and material specifications
Experience with LBW, OTW, brazing, soldering, and automated welding processes
Previous experience in a welding supervisory or management position
Strong problem solving skills, ability to approach new problems with creativity
Ability to work effectively in a multidisciplinary team of engineers, scientists, technical staff, and others
Benefits
Competitive compensation with equity
12.5 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.
501-1000 employees
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
Leadership Team
Robert Mumgaard
Chief Executive Officer and Co-Founder
Martin Greenwald
Cofounder
Recent News
2026-02-03
Crowdfund Insider
2026-01-22
Company data provided by crunchbase