Senior Mechanical Engineer - Cable Magnets

Commonwealth Fusion Systems

$110K — $185K *
Energy & Utilities
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in mechanical engineering, aerospace engineering, or a relevant field.
  • 7+ years of engineering design and analysis experience, with 2+ years in production support.
  • Hands-on experience designing parts for high loads or extreme environments.
  • Strong knowledge of mechanical systems and design processes, focusing on creativity and execution.
  • Proficiency in CAD (NX preferred) and FEA tools (ANSYS, COMSOL preferred).
  • Expertise in ASME Y14 GD&T principles is a plus.

Responsibilities

  • Own the design and delivery of cable magnet hardware for various projects.
  • Develop new and optimize existing design concepts using physics and structural mechanics principles.
  • Collaborate with R&D, analysis, manufacturing, and procurement teams to meet project milestones.
  • Identify production and assembly line issues, providing solutions based on hardware understanding.
  • Prepare technical reports and documentation for validation of Cable Magnet systems.
  • Guide and mentor junior engineers, promoting engineering best practices.

Benefits

  • 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) plan with employer matching.
  • Professional growth opportunities.
  • Team-building activities.
Full Job Description
Join the power movement as a Senior Mechanical Engineer - Cable Magnets

As a Senior Mechanical Engineer for the Cable Magnets Engineering team, you will own hardware from early concepts to delivery. You will develop the design, performing thermal, structural, and electromagnetic analysis to ensure the hardware meets requirements. You will develop design notes, technical specifications, and other documentation necessary to manufacture and install the Cable Magnet hardware and supporting systems. In your role you will also support procurement in the preparation and execution of manufacturing contracts, and support CFS production and assembly teams through build and installation of your designs.

What you'll do:

  • Act autonomously as the primary owner of cable magnet hardware for SPARC, ARC, or other projects, ensuring designs are completed, validated, procured, built, and installed correctly and on time
  • Produce new and iterate on existing design concepts, using a deep understanding of physics, structural mechanics, and analysis techniques for both metallics and composites
  • Liaise with partner teams such as R&D, analysis, manufacturing, and procurement to drive completion of program milestones in a timely fashion
  • Diagnose issues on the production and assembly line and provide immediate path forward based on known understanding of hardware. Propose and implement design solutions based on root cause
  • Prepare reports, presentations, and other documentation to serve as design documentation and validation of final Cable Magnet systems
  • Mentor junior engineers and assist in establishing and implementing engineering best practices


What we're looking for:

  • Bachelor's degree in mechanical engineering, aerospace engineering, or another relevant field
  • A minimum of 7 years of engineering design and analysis experience is required, including at least 2 years providing engineering support to production hardware in the form of resolving technical issues and implementing design for manufacturing or assembly changes
  • Relevant hands-on experience in the form of parts designed for high loads and/or extreme environments
  • Excellent fundamental knowledge of mechanical systems such as static structures and heat transfer (required)
    Familiarity with all steps in the design process with an emphasis on creativity, simplicity, and execution (required)
  • Be self-motivated, committed to self-growth, and exhibit excellent problem-solving skills (required)
  • CAD proficiency (required) NX preferred, any acceptable
  • FEA (required) ANSYS and COMSOL preferred
  • Expertise in AMSE Y14 GD&T principles (preferred)


Bonus points for:

  • Demonstrated record of design of mechanical components beyond desktop scale. E.g. high power (MW+), high mass (ton+), high force (MN+)
  • Experience in production or heavy equipment assembly environments
  • Design experience with
    Electromagnets
    Vacuum systems
    Welding
    Composite materials
    Radiation environments
    Cryogenic environments


Must-have requirements:

  • Perform activities such as sitting for extended periods of time
  • 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 sitting for extended periods of time
  • Occasional travel, occasional nights/weekends/on-call


$110,000 - $185,000 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-Hybrid

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.

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