Fluid Dynamics Engineer
$110,000–$160,000 year
On-siteSan Leandro, California, United States
Job Summary
Design and develop large-scale fluid circuits for storing, transporting, and reconditioning millions of liters of transformer dielectric oil and deionized water, including pump selection, piping layout, and filtration trains. Build high-fidelity Computational Fluid Dynamics models to optimize circulation rates and identify cavitation risks, while performing thermohydraulic analyses to design cooling strategies. Develop fluid-quality protocols for oil testing and moisture control, oversee ion-exchange systems for water conditioning, and create P&IDs and operational procedures. Support on-site fabrication, testing, and commissioning of fluid systems, diagnosing operational anomalies during early shot campaigns. Collaborate with pulsed-power, high-voltage, and structural engineering teams to ensure system integration. This role requires relocation to a Fuse facility and involves working on next-generation fusion energy infrastructure.
Required Qualifications
- B.Sc or M.Sc in Mechanical Engineering, Chemical Engineering, or Applied Physics with a strong fluid-mechanics concentration
- Demonstrated experience with commercial or open-source CFD tools such as ANSYS Fluent, ANSYS CFX, OpenFOAM, or COMSOL Multiphysics
- 2+ years designing or operating large-scale industrial fluid systems including pumps, filters, heat exchangers, and piping networks in energy, nuclear, defense, or high-voltage environments
- Familiarity with transformer oil or similar dielectric insulating fluids, including properties, degradation mechanisms, filtration, and electrical testing
- Strong command of convective and forced-flow heat transfer for system-level thermal management
- This is not a remote position and will require relocation if not already local to the applicable Fuse facility
- To conform to U.S. Government technology export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State
Desired Qualifications
- Experience with deionized-water systems, ion-exchange resin beds, degassing, and resistivity monitoring in high-voltage or pulsed-power environments
- Knowledge of pulsed power, particle accelerators, fusion energy, or high-energy-density physics facilities
- Knowledge of ASME piping codes, industrial safety standards, and high-voltage facility regulations
- Proficiency in Python for post-processing simulation data and automating fluid-quality reporting
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