Welder - Weekend - Second Shift (Fri, Sat, Sun)

Tensec; Harvard (MA); On-site; USD 41,328 - 56,481; Full time

Benefits offered by this job

Competitive compensation with equity

Health, dental, and vision insurance

401(k) with employer matching

Generous parental leave policy

Job summary

Tensec in Massachusetts is seeking a skilled Production Welder responsible for in-house welding of high-field superconducting magnets. The ideal candidate will have 5+ years of welding experience and be proficient in various welding techniques to produce high-quality welds.

Job offers competitive compensation ranging from $30 to $41 per hour, flexible vacation days, and comprehensive benefits including health insurance and 401(k) matching.

Qualifications

• 5+ years’ experience as a welder on large structural systems.
• Experience with large metallic structures and manufacturing processes.
• Ability to lift up to 50 lbs regularly.

Responsibilities

• Weld and inspect large metallic structures and tooling.
• Set up welding processes as per specifications.
• Follow safety procedures at all times.

Skills

GMAW

GTAW

SMAW

Blueprint Reading and Fabrication

Attention to detail

Education

Documented training or certification in Blueprint Reading and Fabrication

Tools

Welding equipment

Mechanized or automated welding equipment

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. We’re working with policymakers and suppliers to build the energy industry of the future. We are the largest and leading private fusion company in the world, having raised nearly $3 billion in capital since 2018.

Production Welder

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

Hours: 6:00 pm – 6:00 am, Friday, Saturday, Sunday nights.

Rate of pay: $30 – $41 per hour + 30% differential.

What you'll do:

• Weld and inspect large metallic structures and tooling within specified timelines and budgets.
• Set up welding processes as per specifications, 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, utilizing 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.

What we’re looking for:

• Documented training or certification in Blueprint Reading and Fabrication, GMAW, GTAW, and 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 producing welds to meet industry‑standard requirements.
• Experience welding stainless steel.
• Experience using GTAW process to weld copper.

Bonus points for:

• Welding experience for pressure vessel, aerospace, and/or nuclear applications.
• Experience with GTAW, GMAW, SMAW, electron beam, and laser welding.
• 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.
• Capacity to work unsupervised.
• Strong understanding of mathematical and numerical data and calculations.
• Project and time management skills.

Must-have requirements:

• 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 to work required nights, weekends, or on‑call shifts.

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.

Salary range for this full‑time position + equity + 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.