R&D Engineer - High Voltage

Commonwealth Fusion Systems

$70K — $120K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in engineering or applied physics; preferred in mechanical or electrical engineering.
  • 2+ years of relevant R&D or test engineering experience with complex electromechanical systems.
  • Familiarity with instrumentation and control components (thermocouples, oscilloscopes, etc.).
  • Proficiency in CAD design using Siemens NX or similar software.
  • Solid grasp of electromagnetic fundamentals and data analysis skills.

Responsibilities

  • Develop high voltage systems and test samples, including manufacturing processes.
  • Build and commission high voltage test equipment for R&D objectives.
  • Perform analyses (structural, electrical, thermal) supporting R&D designs.
  • Gain expertise in high voltage testing of superconducting magnets.
  • Support SPARC insulated coils production and commissioning.
  • Document and manage test requirements, risks, and align stakeholders on objectives.
  • Collaborate with instrumentation and control engineers for data acquisition systems.

Benefits

  • Competitive compensation with equity.
  • 13 company-wide holidays.
  • Flexible vacation days.
  • 10 sick days annually.
  • Generous parental leave policy.
  • Health, dental, and vision insurance coverage.
  • 401(k) with employer matching.
  • Professional growth opportunities and team-building activities.
Full Job Description
Join the power movement as a R&D Engineer

Most fusion-relevant superconducting magnets undergo high voltage transients that must be designed and tested against-using protection schemes that must take high and poor vacuum effects into account (e.g. the Paschen effect). This role is aimed towards research and development of high voltage systems for superconducting magnets with a focus on the Paschen effect including the execution and development of test campaigns as well as leading RCCA efforts through analysis and testing to resolve issues that may arise with the SPARC / ARC magnets currently in production, tokamak integration, and commissioning. Magnet technology is inherently multidisciplinary, and a successful R&D engineer will seamlessly flex between disciplines and groups to effectively execute tests and projects on aggressive schedules supporting CFS's mission. The R&D Engineer must have a fundamental understanding of mechanical, electrical, materials, fluids and software engineering, or some combination thereof-with a focus on high voltage systems in vacuum. The R&D Engineer will be responsible for the design, build, and commissioning of equipment and/or software in support of development, qualification and production tests related to high voltage systems inside vacuum. They must work collaboratively across manufacturing, R&D, procurement, and SPARC teams to achieve their test campaigns. It is also the role of the R&D Engineer to constantly push and challenge the requirements, risks, and test objectives that they are provided to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved.

What you'll do:

  • Develop new high voltage system designs and their associated subsystems, which includes designing and building R&D test samples, and developing their manufacturing processes and test operations
  • Design, build, and commission high voltage test equipment required to accomplish R&D test campaign objectives
  • Perform structural, electrical, and/or thermal analyses in support of R&D sample design and to predict test results
  • Build expertise in testing superconducting magnets under high voltage
  • Support the production, test, integration, and commissioning of SPARC insulated coils
  • Understand, challenge, and maintain well documented requirements and risks for the system or component under test, and align stakeholders on why the planned test is required and what data is deemed essential for the desired outcome to be achieved
  • Collaborate with I&C engineers to develop necessary instrumentation and data acquisition systems
  • Maintain documentation, schedules, and budgets for test campaigns. Documentation includes: design reviews, wiring lists, P&IDs, schematics, CAD assemblies, drawings, BOMs, data acquisition systems, job hazard analysis, test logs, and operations software
  • Develop custom tools to analyze generated data. Compile test results in presentations for review
  • Prepare and deliver presentations containing trade studies, design reviews, test readiness reviews, and test data reviews to teams of engineers and physicists


What we're looking for:

  • Bachelor's degree in engineering or science field is required; mechanical engineering, electrical engineering or similar, or applied physics degree preferred
  • 2+ years' experience as an R&D engineer or test engineer designing, building, commissioning complex electromechanical systems
  • Experience with selecting and utilizing instrumentation and control components such as thermocouples, voltage and current sensors, oscilloscopes, pressure transducers, strain gauges, heaters, flow meters, fittings and valves
  • Experience with developing and executing test procedures
  • Proficiency with CAD design in Siemens NX or equivalent CAD software
  • Familiarity with electromagnetic fundamentals: voltage, current, resistance, Ohm's law, AC/DC, right-hand rule, solenoids, etc.
  • Excellent troubleshooting / problem-solving skills with great attention to detail
  • Experience developing and effectively presenting comprehensive trade studies comparing the pros & cons of various technical approaches
  • Data reduction and analysis skills that can be used in generating anticipated results and processing generated data
  • Effective at communicating technical topics to both technical and non-technical audiences.
  • High self-motivation and drive to execute quickly
  • Collaboration skills including active listening and facilitating productive discourse on problems
  • Willingness to challenge the status quo in search of better, more efficient methods.


Bonus points for:

  • Experience writing Python or MATLAB data tools for processing and analyzing data
  • Experience with high voltage and high current power equipment design and use - power supplies, water-cooled cables, insulation
  • Experience with designing, building, and testing composite materials.
  • Have a general understanding of the physics of high voltage breakdown and the Paschen effect
  • Experience debugging electronics hardware and test software
  • Experience with designing and commissioning new test facilities
  • Experience with cryogenic equipment design for use with liquid nitrogen and supercritical helium - vacuum jacketed equipment, cryocoolers, phase separators, cold traps
  • Experience with high vacuum equipment design and use - roughing pumps, turbopumps, ion gauges, residual gas analyzers
  • Experience developing or improving manufacturing processes and handing off processes to production teams


Must-have requirements:

  • Ability to occasionally lift up to 50 lbs
  • Perform activities such as typing, climbing, standing, stooping or sitting for extended periods of time
  • Willingness to occasionally travel or work required nights/weekends/on-call
  • 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


$70,000 - $120,000 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

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