SECTION I · THE BRIEF
Brief #82400Updated 26 AUG 2026DEVENS, MALeverKHOSLA VENTURES
Employbl Company Profile

Senior Manufacturing Engineer - Third Shift

Commonwealth Fusion Systems (CFS) is an American company founded in 2018 aiming to build a compact nuclear fusion power plant based on the ARC tokamak reactor concept. The company is based in Cambridge, Massachusetts,…

Location
Devens, MA
Company size
500–2,000
Posted
Yesterday
Via
Lever
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Senior Manufacturing Engineer - Third Shift · Commonwealth Fusion Systems

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Job title
Senior Manufacturing Engineer - Third Shift
Job location
Devens, MA
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 Manufacturing Engineer

We are seeking a hands-on, 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. You will be the magnet owner, holding overall accountability for this shift. This role involves close collaboration with design engineers, production staff, quality assurance, and supply chain teams.
The Schedule:
Shift: Monday through Friday, 10:00 pm - 6:30 am
Salary Range: $126,000 - 212,000 (includes 15% shift differential)
What you'll do:
  • Make real-time decisions within established guardrails; escalate when conditions fall outside
    defined limits
  • 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:
  • Knowledge of statistical process control (SPC) and failure modes and effects analysis (FMEA)
  • 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
  • Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
  • Willingness to occasionally travel or work required nights/weekends/on-call
  • View job listing ↗
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    Commonwealth Fusion Systems headquarters

    Cambridge, MA

    Company size

    5002,000 employees

    Founded

    2018

    Total raised

    $3,877,000,000

    View company profile ↗

    Funding rounds

    • Series Unknown$1B
    • Series B$863M
    • Grant$15M
    • Series B$1.8B
    • Series A$84M
    • Series A$115M