Computational Fluid Dynamics; CFD Analyst

System One – Computational Fluid Dynamics (CFD) Analyst

Location: Remote
Employment Type: Long-Term Contract
Pay Range: $52 – $85 per hour

System One is seeking a Computational Fluid Dynamics (CFD) Analyst to support the analysis and design of advanced thermal-fluid and energy systems for the liquid sodium-cooled Natrium Reactor Program
.

Reporting to the Manager, System Thermal Hydraulics Methods & Analysis
, this role focuses on performing investigations and simulations of thermal hydraulics, fluid dynamics, and fluid-structure interactions
. The ideal candidate has hands‑on experience with commercial CFD software packages and a strong background in thermal‑fluid systems engineering.

• Perform analysis and design of reactor‑related structures, systems, and components.
• Conduct computational thermal‑fluid and thermal‑structural analyses using multi‑dimensional CFD tools.
• Prepare documentation and present analysis results to peers and external stakeholders.
• Support the development and application of nuclear industry best practices to enhance design quality.
• Collaborate across multidisciplinary teams to evaluate thermal and mechanical design considerations for reactor systems and components.

• Bachelor’s degree in Mechanical, Nuclear, or Chemical Engineering (or equivalent).
• Minimum of 5+ years of experience in Computational Fluid Dynamics (or 3+ years with a master’s degree).
• At least 3 years of demonstrated experience using Siemens STAR‑CCM+.
• Strong working knowledge of CFD best practices, modeling techniques, and mesh strategies.
• Experience with dynamic thermal‑fluid system modeling
  .
• Excellent analytical, problem‑solving, and documentation skills.
• Ability to manage multiple projects and meet deadlines in a fast‑paced environment.
• Strong communication and teamwork abilities.

• Experience with nuclear systems applications of CFD.
• Knowledge of high‑temperature thermal‑fluid systems or low Prandtl number fluid heat transfer
  .
• Familiarity with validating simulations using experimental data.
• Experience integrating CFD results into mechanical or structural design workflows.

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.