Computational Fluid Dynamics Engineer

Russell Tobin; Fremont (CA); On-site; USD 61,000 - 101,000; Full time

Benefits offered by this job

Comprehensive healthcare coverage

Retirement savings plan (401k)

Life & disability insurance

Employee assistance program

Job summary

Pride Global is seeking a Mechanical Engineer III – Simulation & Multiphysics in Fremont, CA, onsite. The role focuses on CFD, reacting-flow, and multiphysics analyses to design and optimize gas delivery systems and process equipment. 40 hours/week, 24-month contract with possible extension.

Ideal candidates hold a Master's or Ph.D. in a related field, with strong CFD experience and familiarity with ANSYS Fluent, STAR-CCM+, COMSOL, and Simcenter 3D.

Qualifications

• Master's or Ph.D. in Chemical Engineering, Mechanical Engineering, Aerospace Engineering, Chemistry, Plasma Physics, or a related field.
• Strong experience with CFD and multiphysics simulations.
• Experience with chemical reaction modeling, reaction kinetics, reacting-flow CFD, or species transport.
• Strong knowledge of fluid mechanics, thermodynamics, heat transfer, mass transfer, and gas flow dynamics.
• Excellent analytical, communication, and technical presentation skills.

Responsibilities

• Perform CFD and multiphysics simulations involving fluid/gas flow, heat transfer, mass transfer, species transport, chemical reactions, stress, and material response.
• Develop and validate physics-based models for chemical reactions, reaction kinetics, gas-phase chemistry, and surface reactions.
• Conduct reacting-flow simulations and coupled thermal, fluid, mass transfer, and chemical kinetics analyses.
• Support simulation-driven design and optimization of gas delivery systems, thermal management solutions, process equipment, and advanced materials.
• Calibrate and validate models using experimental data and engineering principles.
• Analyze results, identify design improvements, and support troubleshooting and root cause analysis.
• Prepare technical reports and presentations with modeling results and engineering recommendations.
• Collaborate with cross-functional engineering and technical teams.

Skills

CFD

Multiphysics

Chemical reaction modeling

Reaction kinetics

Reacting-flow CFD

Species transport

Gas delivery systems

Gas-phase chemistry

Fluid mechanics

Thermodynamics

Education

Master's or Ph.D. in a related field

Tools

ANSYS Fluent

STAR-CCM+

COMSOL Multiphysics

Simcenter 3D

Job description

Mechanical Engineer III – Simulation & Multiphysics

Location: Fremont, CA

Schedule: Onsite, Monday–Friday, 40 hours/week

Duration: 24-Month Contract with possible extension

Pay rate: Upto $73.54/hour

Position Summary

• We are seeking a simulation-focused Mechanical Engineer with strong expertise in CFD, chemical reaction modeling, gas-phase chemistry, reacting-flow simulations, and multiphysics analysis. This role will support the design and optimization of complex equipment, components, process chambers, and gas delivery systems.

Key Responsibilities

• Perform CFD and multiphysics simulations involving fluid/gas flow, heat transfer, mass transfer, species transport, chemical reactions, stress, and material response.
• Develop and validate physics-based models for chemical reactions, reaction kinetics, gas-phase chemistry, and surface reactions.
• Conduct reacting-flow simulations and coupled thermal, fluid, mass transfer, and chemical kinetics analyses.
• Support simulation-driven design and optimization of gas delivery systems, thermal management solutions, process equipment, and advanced materials.
• Calibrate and validate models using experimental data and engineering principles.
• Analyze results, identify design improvements, and support troubleshooting and root cause analysis.
• Prepare technical reports and presentations with modeling results and engineering recommendations.
• Collaborate with cross-functional engineering and technical teams.

Required Qualifications

• Master's or Ph.D. in Chemical Engineering, Mechanical Engineering, Aerospace Engineering, Chemistry, Plasma Physics, or a related field.
• Strong experience with CFD and multiphysics simulations.
• Experience with chemical reaction modeling, reaction kinetics, reacting-flow CFD, or species transport.
• Strong knowledge of fluid mechanics, thermodynamics, heat transfer, mass transfer, and gas flow dynamics.
• Excellent analytical, communication, and technical presentation skills.

Preferred Simulation Tools

• ANSYS Fluent – Strong Preference
• STAR-CCM+
• COMSOL Multiphysics
• Simcenter 3D or similar tools
• Experience with two or more major simulation platforms is preferred.

Preferred Qualifications

• Experience modeling gas delivery systems, process chambers, vacuum systems, or complex engineering equipment.
• Semiconductor, plasma processing, etch, deposition, or process equipment experience is a plus.
• Experience with Chemkin, Cantera, ANSYS Fluent UDFs, COMSOL Reaction Engineering, or similar modeling tools.

Key Skills: CFD, ANSYS Fluent, STAR-CCM+, COMSOL, Multiphysics, Chemical Reaction Modeling, Reaction Kinetics, Reacting Flow, Gas-Phase Chemistry, Species Transport, Gas Flow, Heat Transfer, Mass Transfer, Thermodynamics, Fluid Mechanics, Gas Delivery Systems, and Process Simulation.

Pride Global offers eligible employee's comprehensive healthcare coverage (medical, dental, and vision plans), supplemental coverage (accident insurance, critical illness insurance and hospital indemnity), 401(k)-retirement savings, life & disability insurance, an employee assistance program, legal support, auto, home insurance, pet insurance and employee discounts with preferred vendors.

Pride Global and its affiliates are an equal opportunity employer. We do not discriminate on the basis of the race, religious creed, color, national origin, ancestry, physical disability, mental disability, reproductive health decision making, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, veteran or military status, or any other characteristic protected by applicable federal, state, or local law.

Pride Global and its affiliates are a Fair Chance employer. We consider all qualified applicants, including those with criminal histories, in a manner consistent with applicable state and local Fair Chance laws and ordinances, including, the California Fair Chance Act and all applicable local Fair Chance ordinances.

Accommodations

We are committed to providing reasonable accommodations to applicants and employees with disabilities. If you require a reasonable accommodation to participate in the application or interview process, or to perform the essential functions of this role, please contact us.

Working knowledge of Siemens NX, Creo, SolidWorks, or similar CAD software.