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Assembly Process Engineer - Contract

Commonwealth Fusion Systems
Devens, Massachusetts
Contract
Posted January 28, 2026
Nuclear Energy
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Job Description

The Assembly Process Engineer will develop and manage assembly processes for the SPARC tokamak device, collaborating with design teams to create efficient, safe, and cost-effective assembly procedures and work instructions for large-scale fusion equipment.

Key Responsibilities

  • Create, define, and instruct the assembly process for the SPARC tokamak device.
  • Collaborate with system design teams on assembly sequence and key steps.
  • Organize and designate how sub-assemblies come together to form the complete device.
  • Identify assembly methods and tools required for construction.
  • Write work instruction packets for assembly technicians to follow in the field.
  • Work with teams to find efficient, cost-effective, and safe assembly solutions.
  • Guide and organize the assembly of large, complex components of the device.

Requirements

  • Experience in creating, defining, instructing, and assisting in managing assembly processes for complex devices, including collaborating with system design teams on sequence and key steps.
  • Ability to organize and designate how various sub-assemblies will come together to create a larger device or system.
  • Experience in identifying assembly methods and tools required for assembling complex components.
  • Proficiency in writing work instruction packets for use by assembly technicians in the field.
  • Ability to work closely and collaborate with multidisciplinary teams, including physicists and engineers, to find efficient, creative, cost-effective, and safe assembly methods.
  • Experience in guiding and organizing the assembly of large, complex parts of a multi-million dollar device.
  • Minimum of 3 years of experience in assembly process engineering or a related field involving complex device assembly.
  • Educational background in engineering, physics, or a related technical discipline (such as a Bachelor's degree or higher).
  • Ability to work in fast-paced environments and adapt to dynamic project requirements.
  • Compliance with U.S. export control laws concerning the export of controlled or protected technologies or information.

Benefits & Perks

Competitive salary and compensation (implied by the role's seniority and scope)
Work environment perks: fast-paced environment, collaborative multidisciplinary team
Work schedule: Onsite work at CFS (implying standard or scheduled working hours)
Additional benefits: Commitment to diversity and equal opportunity employment

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