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Valar Atomics

Staff CFD Analysis Engineer

Valar Atomics · Torrance, CA

Posted about 3 months ago

or apply directly on Valar Atomics's site. We never take the application ourselves.

Is this posting real?

This role has been open
80 days
Valar Atomics's roles stay open a median of 78 days
Reposted
No
Salary listed
No
0% of Valar Atomics's roles list one
Ghost-job risk at Valar Atomics
high
81 stale, 4 reposted of 84 open
Hiring momentum
105 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-22

Measured from postings appearing on and disappearing from Valar Atomics's own greenhouse board since 2026-08-03. Full hiring picture for Valar Atomics.

About this role

The Staff CFD Analysis Engineer at Valar Atomics is responsible for leading high-fidelity computational fluid dynamics (CFD) and thermal-hydraulic simulations for advanced reactor systems. This role involves planning and executing analyses, establishing verification and validation protocols, mentoring junior analysts, and collaborating with various engineering teams to ensure safety and performance in nuclear energy applications.

Our read on this posting3.0out of 5
benefits
5/5
freshness
1/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Valar Atomics as an employer.

What you need

  • 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.

Nice to have

  • Master's degree (or higher) in Mechanical, Aerospace, or Nuclear Engineering, or a closely related field.
  • Strong grounding in turbulence modeling (RANS k-ε / k-ω SST and scale-resolving LES/DES), conjugate heat transfer, multiphase and species transport.
  • 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.

What you get

  • 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

Worth weighing

  • No specific mention of remote work options or flexibility in work hours.
  • The role requires extensive experience in a specialized field, which may limit entry for less experienced candidates.
  • The position involves high-stakes work in a regulated environment, which may add pressure to meet compliance standards.

Summarised from Valar Atomics's posting. Read the full original.

Listed by Valar Atomics on their greenhouse job board, last confirmed open on 2026-10-22. PitchMeAI is not the employer.

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