Senior Manufacturing Engineer - Assembly - Second Shift

Commonwealth Fusion Systems; Harvard (MA); On-site; USD 134,000 - 205,000; Full time

Benefits offered by this job

Equity

Health, dental, and vision insurance

13 company-wide holidays

Flexible vacation days

10 sick days

Generous parental leave policy

401(k) with employer matching

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems in Massachusetts is seeking a Senior Manufacturing Engineer - Assembly to design, implement, and optimize manufacturing processes for high-mix, low-volume production. You will collaborate with design, production, QA, and supply chain teams to ensure manufacturability and apply Lean and Six Sigma to improve performance.

The role requires a bachelor’s degree in engineering and 7+ years in manufacturing/production engineering, with CAD/ERP proficiency and a focus on

Qualifications

• Bachelor’s degree in Manufacturing, Mechanical, or Industrial Engineering or related field.
• 7+ years of experience in manufacturing/production engineering.
• Proficient in CAD software and ERP systems.

Responsibilities

• Develop and implement new manufacturing lines within high-mix, low-volume environments.
• Analyze and improve processes to reduce costs, increase efficiency, and ensure product quality.
• Create and maintain process documentation including SOPs and work instructions.
• Collaborate with product design and development teams to ensure manufacturability of new products.
• Apply Lean Manufacturing and Six Sigma methodologies to enhance production performance.
• Lead the design and procurement of tools, fixtures, and equipment required for efficient production.
• Troubleshoot equipment and process issues and implement corrective actions.
• Conduct time and motion studies to determine optimal production methods and labor utilization.
• Support continuous improvement initiatives and implement best practices across the facility.
• Ensure compliance with safety regulations, company policies, and industry standards.
• Evaluate new technologies and automation solutions to enhance manufacturing capabilities.

Skills

Lean Manufacturing

Six Sigma

Quality systems

Analytical skills

Teamwork

Leadership

Education

Bachelor’s degree in Manufacturing Engineering

Bachelor’s degree in Mechanical Engineering

Bachelor’s degree in Industrial Engineering

Tools

NX CAD

SolidWorks

AutoCAD

Manufacturing ERP

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 Senior Manufacturing Engineer - Assembly

We are seeking a detail-oriented, innovative, and results-driven Manufacturing Engineer to join our team. The successful candidate will be responsible for designing, implementing, and optimizing manufacturing processes to improve productivity, efficiency, and quality across the production line. This role involves close collaboration with design engineers, production staff, quality assurance, and supply chain teams.

The Schedule:

Shift: Monday through Friday, 1:00 - 10:00 PM

10% differential add to base pay

What you'll do:

• Develop and implement new manufacturing lines within a high-mix, low volume environment
• Analyze and improve manufacturing processes to reduce costs, increase efficiency, and ensure product quality
• Develop and maintain process documentation including work instructions, standard operating procedures (SOPs), and process flow diagrams
• Collaborate with product design and development teams to ensure manufacturability of new products
• Implement Lean Manufacturing and Six Sigma methodologies to enhance production performance
• Lead the design and procurement of tools, fixtures, and equipment required for efficient production
• Troubleshoot equipment and process issues and implement corrective actions
• Conduct time and motion studies to determine optimal production methods and labor utilization
• Support continuous improvement initiatives and implement best practices across the facility
• Ensure compliance with safety regulations, company policies, and industry standards
• Evaluate new technologies and automation solutions to enhance manufacturing capabilities

What we're looking for:

• Bachelor’s degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, or related field
• 7+ years of experience in a manufacturing or production engineering role
• Strong knowledge of Lean Manufacturing, Six Sigma, and quality systems
• Proficient in CAD software (NX, SolidWorks, AutoCAD, etc.) and manufacturing ERP systems
• Ability to balance autonomy with disciplined escalation
• Leadership through hands-on engagement
• Excellent analytical and problem-solving skills
• Strong communication and teamwork abilities
• Ability to work in a fast-paced, team-oriented environment

Bonus points for:

• Experience with clean lines
• Knowledge of statistical process control (SPC) and failure modes and effects analysis (FMEA)

Must-have requirements:

• Ability to occasionally lift up to 50 lbs
• Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics
• Perform activities such as typing, standing, or sitting for extended periods of time

$134,000 - $205,000 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 include:

• 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

#CFS-NE

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.