Senior Manufacturing Engineer - Assembly

cfsenergy· Assembly
Apply Now ↗
📍 Devens, MAFull time💰 USD 110K–185K

About this role

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.

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
#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.

Frequently Asked Questions

What is the salary for the Senior Manufacturing Engineer - Assembly role at cfsenergy?
The listed salary for this Senior Manufacturing Engineer - Assembly position at cfsenergy is USD 110K–185K. This is an Full time role.
Where is the Senior Manufacturing Engineer - Assembly position at cfsenergy located?
This Senior Manufacturing Engineer - Assembly role at cfsenergy is based in Devens, MA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Manufacturing Engineer - Assembly role at cfsenergy full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Manufacturing Engineer - Assembly role in the Assembly department at cfsenergy.
Which team or department does the Senior Manufacturing Engineer - Assembly at cfsenergy belong to?
This Senior Manufacturing Engineer - Assembly position is part of the Assembly department at cfsenergy. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Manufacturing Engineer - Assembly position at cfsenergy?
Click the "Apply Now" button on this page. You will be redirected to cfsenergy's official application portal hosted on lever where you can submit your application directly.
When was the Senior Manufacturing Engineer - Assembly job at cfsenergy posted?
This Senior Manufacturing Engineer - Assembly position at cfsenergy was posted on Sep 30, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Manufacturing Engineer - Assembly
cfsenergy · 💰 USD 110K–185K
Apply for this role ↗

You'll be redirected to cfsenergy's official application page on Lever.