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Cfd Meshing Engineer Jobs (NOW HIRING)

Flexcompute Inc.

CFD Solver Developer

Watertown, MA ยท On-site

Independently implement, test, and document new solver and meshing features * Profile and optimize ... Follow sound software engineering practices. The code we write today will underpin our platform ...

Flexcompute Inc.

CFD Solver Developer

Watertown, MA ยท On-site

Independently implement, test, and document new solver and meshing features * Profile and optimize ... Follow sound software engineering practices. The code we write today will underpin our platform ...

Flexcompute Inc.

CFD Solver Developer

Watertown, NY ยท On-site

Independently implement, test, and document new solver and meshing features * Profile and optimize ... Follow sound software engineering practices. The code we write today will underpin our platform ...

Flexcompute Inc.

CFD Solver Developer

Watertown, MA ยท On-site

Independently implement, test, and document new solver and meshing features * Profile and optimize ... Follow sound software engineering practices. The code we write today will underpin our platform ...

Inversion

Staff Aerothermal CFD Engineer

Vista, CA ยท On-site

$161K - $221K/yr

Familiarity with Fidelity Pointwise, Link3D or equivalent meshing software for generating high ... Engineering, or an equivalent field. * Experience modifying CFD solvers or coupling them for multi ...

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As of Sep 10, 2026, the average yearly pay for cfd meshing engineer in the United States is $93,015.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,500.00 and $110,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Cfd Meshing Engineer job openings in the United States as of July 2026, with employment types broken down into 74% Full Time, 2% Part Time, 2% Contract, and 22% Nights. Highlights an 92% Physical, 4% Hybrid, and 4% Remote job distribution, with an average salary of $93,015 per year, or $44.7 per hour.

Staff CFD Analysis Engineer

Torrance, CA โ€ข On-site

Valar Atomics
See more jobs at Valar Atomicsexternal

Full-time

Medical, PTO

Re-posted 12 days ago

Key responsibilities

  • Plan and perform high-fidelity CFD and conjugate-heat-transfer analyses in Ansys Fluent for reactor thermal-hydraulics.

  • Establish and document the verification and validation basis for CFD work in accordance with ASME V&V 20, including mesh-convergence studies and benchmarking.

  • Interface with thermal-fluid systems, structural, and neutronics teams to build coupled and hand-off multiphysics workflows.

Job description

About Valar Atomics
At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable-unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.
The Team
As part of the Engineering organization, Models & Simulations develops advanced analytical models that support engineering design, performance prediction, and system optimization. The team enables informed decision-making through computational analysis and simulation.
The Role
The Senior CFD Analysis Engineer owns delivery of analysis and synthesis of results in the computational fluid dynamics workstream for reactor internals and balance-of-plant systems. The Senior CFD Analysis Engineer leads the development and execution of high-fidelity computational fluid dynamics and thermal-hydraulic simulations that underpin the safety, performance and licensing of our advanced reactor systems. Working within the Modelling & Simulation (ModSim) Engineering Group, the role takes ownership of complex flow and heat-transfer problems - from core-inlet and lower-plenum mixing, fuel-assembly thermal-hydraulics and hot-channel analysis through to passive decay-heat removal and containment behavior. The engineer translates physical problems into defensible Ansys Fluent models, establishes the verification and validation (V&V) basis for those models under nuclear quality requirements, mentors junior analysts, and interprets results into engineering conclusions that designers, safety analysts and regulators can rely on.
Key Responsibilities
  • Plan and perform high-fidelity CFD and conjugate-heat-transfer analyses in Ansys Fluent for reactor thermal-hydraulics, including geometry preparation, meshing strategy, turbulence-model selection, solver set-up, and convergence assessment.
  • Establish and document the verification and validation basis for CFD work in accordance with ASME V&V 20, including mesh-convergence (GCI) studies and benchmarking against separate-effects and integral-effects test data.
  • Provide and receive boundary conditions across streams - supplying heat-transfer and loss coefficients to the Thermal-Fluid (Flownex) stream, exchanging power/heat-source distributions with Neutronics, and handing thermal/pressure loads to FEA for thermal-stress evaluation.
  • Lead technical problem definition, perform independent review/checking of analyses, and produce analysis reports and calculation packages that satisfy NQA-1 / 10 CFR 50 Appendix B documentation and traceability expectations.
  • Interface with the thermal-fluid systems (Flownex), structural (FEA), and neutronics teams to build coupled and hand-off multiphysics workflows (e.g., CFD-derived heat-transfer coefficients and thermal maps into structural and systems models).
  • Lead technical reviews, set CFD modelling standards and best practices, and mentor mid-level and junior analysts; support regulator and customer technical interactions.
  • Develop and standardize CFD methods, templates and best practices, and support the Stream Lead in scoping, estimating and scheduling CFD work across projects.

Basic Qualifications
  • Bachelor's degree (or higher) in Mechanical, Aerospace, or Nuclear Engineering, or a closely related field.
  • 8+ years of professional, production-grade CFD analysis experience.

Preferred Skills and Experience
  • Master's degree (or higher) in Mechanical, Aerospace, or Nuclear Engineering, or a closely related field.
  • Strong grounding in turbulence modeling (RANS k-ฮต / k-ฯ‰ SST and scale-resolving LES/DES), conjugate heat transfer, multiphase and species transport.
  • Master's degree (or higher) in Mechanical, Aerospace, or Nuclear Engineering, or a closely related field.
  • Demonstrated V&V practice (ASME V&V 20, GCI, validation against test data) and uncertainty quantification.
  • Experience operating under a nuclear or other regulated quality program (ASME NQA-1, ISO 9001, 10 CFR 50 Appendix B) and exposure to NRC / ASME regulatory environments.
  • Reactor thermal-hydraulics domain knowledge (natural circulation, passive cooling, coolant behavior for helium, molten salt or liquid metal) is a strong advantage.
  • Scripting/automation (Python, journaling, UDFs) and HPC workflow experience; track record of mentoring and leading technical analysis within a team.
  • Working knowledge of coupling CFD with systems codes and structural FEA; exposure to advanced-reactor thermal-hydraulics (HTGR, SFR, MSR, micro-reactors) is a plus.
  • Track record of mentoring and leading technical systems analysis within a team.

What We Offer
  • Competitive base salary
  • Equity ownership in a rapidly growing advanced energy company
  • Comprehensive medical benefits
  • Unlimited PTO
  • Free daily lunch and dinner provided onsite
  • Generous PPE stipend
  • High-impact startup environment with significant ownership and autonomy
  • Opportunities for rapid career growth and internal advancement
  • Direct collaboration with experienced operators, engineers, and industry leaders
  • The opportunity to help build and scale transformative energy technology from the ground up

Equal Employment Opportunity Statement
Valar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law.
We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law.
Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).
Salary
$180,000-$220,000 USD

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