Welder - Nights & Weekend Shifts + Differential Pay

Cfsenergy; Harvard (MA); On-site; USD 70,000 - 100,000; Full time

Job summary

Commonwealth Fusion Systems is seeking a Production Welder to perform in-house welding on large metallic structures and tooling for cutting‑edge high-field superconducting magnets. You will follow specifications, set up processes, read drawings, and ensure workmanship aligns with project timelines and budgets.

Applicants should have 5+ years of welding experience on large structural systems, proficiency in GTAW, GMAW, SMAW, and familiarity with stainless steel and copper welding.

Qualifications

• 5+ years' experience as a welder on large structural systems and tooling.
• Reading and interpreting blueprints and welding drawings.
• Ability to set up welding processes per specifications and select equipment.

Responsibilities

• Weld and inspect large metallic structures and tooling within timelines and budgets.
• Set up welding processes per specifications, including equipment selection.
• Read drawings and take measurements to plan layouts.
• Weld in vertical, flat, and overhead positions; perform hand or semi-automated welding.

Skills

Blueprint Reading

Quality Assurance

Safety Compliance

Math & Measurements

Tools

GTAW

GMAW

SMAW

Electron Beam Weld

Laser Weld

Job description

About Commonwealth Fusion Systems:

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.

Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.

If that’s you and this role fits, we want to hear from you.

Join the power movement as a Production Welder

This individual is responsible for performing manufacturing in-house welding work for cutting edge high-field superconducting magnets.

The specific hours and pay differentials are:

• Weekday second shift (Monday-Friday, 2 p.m. - 10:30 p.m.): 10%


• Weekday third shift (Monday–Friday, 10 p.m. – 6:30 a.m.): 15%


• Weekend first shift (Friday, Saturday, Sunday 6 a.m. – 6 p.m.): 15%


• Weekend second shift (Friday, Saturday, Sunday, 6 p.m. – 6 a.m.): 30%

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


• Documented Training or Certification in most of the following: Blueprint Reading andFabrication, 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


• 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


• 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

Company Culture

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, "Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.