waypointjobs

Quiet Capital

Senior Mechanical Engineer

harvard, MA

Check who can apply and the requirements below before continuing.

About this opportunity

Quiet Capital lists this Senior Mechanical Engineer opportunity in harvard, Massachusetts. Review the employer’s description below for duties, qualifications and application requirements.

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 and suppliers to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private 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 Senior Manufacturing Engineer

We are seeking a highly motivated and experienced Mechanical Engineer to join our manufacturing team. In this role, you will be responsible for providing technical expertise during the commissioning, implementation, and integration of manufacturing equipment. You will work closely with our production team to ensure that our manufacturing processes are optimized for efficiency, quality, and safety.

What you'll do:

Provide technical expertise during the commissioning, implementation, and integration of manufacturing equipment

Support Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) of equipment

Troubleshoot mechanical issues and provide solutions to ensure equipment operates efficiently

Collaborate with production and engineering teams to optimize manufacturing processes and improve equipment performance

Drive continuous improvement initiatives for manufacturing equipment to increase efficiency, reduce downtime, and improve quality.

Conduct root cause analysis and implement corrective actions to resolve manufacturing issues

Ensure compliance with all safety requirements

Work with external vendors and suppliers to ensure the timely delivery of equipment and materials

Conceptualize and detail new manufacturing equipment for scaled up manufacturing processes

Run experiments to determine the feasibility of new manufacturing processes and translate those learnings into practical designs

What we're looking for:

Bachelor's degree in Mechanical Engineering or a related field

7+ years of experience in mechanical engineering, with a focus on manufacturing equipment

5+ years of manufacturing equipment and tooling design

Strong knowledge of mechanical systems, including hydraulics, pneumatics, and motion control

Experience with 3D CAD packages and 2D drawings

Experience with Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) of equipment

Understanding of GD&T and its application

Excellent problem solving and analytical skills

Strong communication and interpersonal skills, with the ability to collaborate effectively with cross‑functional teams

Experience with commissioning and startup of manufacturing equipment

Bonus points for:

Strong knowledge of mechanical systems, including hydraulics, pneumatics, and motion control

Experience developing manufacturing equipment and tooling for a novel process

Experience with production ramp‑up and optimization of manufacturing processes

Experience with automated equipment and robotics

Must‑have requirements:

Ability to lift up to 50 lbs occasionally

Perform activities such as typing, standing, stooping, and sitting, for extended periods of time

Willingness to occasionally travel or work required nights/weekends/on‑call

Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics

Salary range: $110,000 - $185,000 a year

Salary range for this full‑time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience.

The range displayed on each job posting reflects new hire salaries for the position across all US locations.

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

#LI-Onsite

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.

#J-18808-Ljbffr

Worksite address

harvard, MA, 01451, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

Ready for your next step?Apply on the official website
Apply on WhatJobs ↗

Explore related searches

Current related jobs

CNH Industrial

WhatJobs

Design Engineer II - Electrical Integration

racine, WI

See pay details in description

About Us Innovation. Sustainability. Productivity. This is how we are Breaking New Ground in our mission to sustainably advance the noble work o…

Last received from source 2026-10-08View job

CNH Industrial

WhatJobs

Design Engineer II - Electrical Integration

oak brook, IL

See pay details in description

About Us Innovation. Sustainability. Productivity. This is how we are Breaking New Ground in our mission to sustainably advance the noble work o…

Last received from source 2026-10-08View job

SimVentions, Inc - Glassdoor ✪ 4.6

WhatJobs

Systems Engineer I

manassas, VA

See pay details in description

Overview: SimVentions is searching for an entry-level Systems Engineer (SE) to join our team in support of the Tactical Tomahawk Weapons Control …

Last received from source 2026-10-08View job

SimVentions, Inc - Glassdoor ✪ 4.6

WhatJobs

Network Security Engineer - Competitive 401(k) programs

king george, VA

See pay details in description

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Sen…

Last received from source 2026-10-08View job

SimVentions, Inc - Glassdoor ✪ 4.6

WhatJobs

Security Engineer - PTO, Paid Holidays & Paid Leave

king george, VA

See pay details in description

Overview: SimVentions is 100% employee-owned and proudly ranked among Virginia’s Best Places to Work year after year! We are looking for a Sen…

Last received from source 2026-10-08View job

SimVentions, Inc - Glassdoor ✪ 4.6

WhatJobs

Senior Systems Engineer - Tomahawk Weapons System

triangle, VA

See pay details in description

Overview: SimVentions is 100% employee-owned and has consistently been voted one of Virginia's Best Places to Work! We are looking for a Senior S…

Last received from source 2026-10-08View job