Mechanical Engineer - Contract

Commonwealth Fusion Systems; Harvard (MA); On-site; USD 45,000 - 65,000; Full time

Job summary

Commonwealth Fusion Systems in Harvard, MA, is seeking a Contract Mechanical Engineer to join their manufacturing team. This role involves providing technical expertise during commissioning and ensuring optimized manufacturing processes for efficiency and quality.

The ideal candidate holds a Bachelor's in Mechanical Engineering, has over 5 years of experience, and possesses strong problem-solving and communication skills. This position includes tasks like supporting Factory Acceptance Testing and troubleshooting mechanical issues.

Qualifications

• 5+ years of experience in mechanical engineering, especially with manufacturing equipment.
• 3+ years of experience in manufacturing equipment and tooling design.
• Strong knowledge of mechanical systems including hydraulics, pneumatics, and motion control.

Responsibilities

• Support Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) of equipment.
• Troubleshoot mechanical issues and provide solutions for efficiency.
• Collaborate with teams to optimize manufacturing processes.

Skills

Mechanical Engineering

Manufacturing Equipment

Problem Solving

Communication

Root Cause Analysis

Education

Bachelor's degree in Mechanical Engineering

Tools

3D CAD packages

2D drawings

Job description

Contract Mechanical Engineer

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

What You’ll Do

• 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.
• 5+ years of experience in mechanical engineering, with a focus on manufacturing equipment.
• 3+ 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

• 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.

$45 - $65 annually

This is a contract role.

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.