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Nuclear Systems Thermodynamics Analyst
4 months ago
Description
X-energy is looking for qualified professionals to join our Government R&D Team as a
Nuclear Systems Thermodynamics Analyst (Level III) . This role is responsible for steady state and transient Thermodynamic analysis of various advanced nuclear reactor plants, including High Temperature Gas-cooled Reactors (HTGRs), Microreactors, Lunar Fission Surface Power (FSP) reactors, and other terrestrial and space reactor concepts. The position requires thermodynamic design and analysis of nuclear reactors, power conversion systems, and other supporting systems. The position also requires interaction with other disciplines such as neutronics, thermal-hydraulics, radiation shielding, instrumentation & controls, electrical, and other engineering disciplines to understand the interfaces, dependencies, and influence of those subsystems on the plant's thermodynamic behavior and performance.
Responsibilities
Perform system-level thermodynamic analyses and process design using system-level simulation codes to support design iterations of X-energy developed reactors and supporting subsystems.
Develop, test, verify, and validate thermodynamics models to support design and analysis which will form part of the reactor licensing basis (e.g., steady state and transient conditions, design basis events, anomalies, etc.)
Develop verification and validation (V&V) plans for thermodynamics codes and custom analysis tools developed by X-energy, in accordance with NQA-1 requirements.
Support the sizing and analysis of components including heat exchangers, pumps, circulators, and
turbomachinery.
Support the development of reactor and plant control philosophy and implement in plant models, simulations,
and digital twins.
Conduct systems integration in a multidisciplinary environment by collaborating with, amongst others:
System Engineers regarding functions and requirements on systems, structures, and components.
Computational Fluid Dynamics (CFD) analysts, regarding component thermal and flow characterization.
Mechanical designers, regarding component sizing and stresses.
Neutronic analysts, regarding reactor heat generation and reactivity control characteristics.
Radiation shielding engineers who characterize energy deposition and thermal characteristics.
Electrical engineers, regarding control systems design.
Manage the configuration of models and simulations to ensure traceability through a version control system (e.g., Gitlab)
Perform all work under a quality assurance program that conforms to nuclear regulatory requirements.
Write and critically review technical reports.
Perform other duties as assigned by manager.
Minimum Qualifications
B.S Degree in Nuclear, Mechanical, or Chemical Engineering (or related field) from a U.S. accredited university (M.S. or Ph.D. preferred)
5-9 years of practical experience or equivalent combination of education and experience.
Experience with system codes such as Flownex, RELAP, and Simulink.
Experience with Digital Twin model development is preferred.
Experience with programming in any of the following: C, C++, C#, Python, or MATLAB.
U.S. citizenship is required.
Ability to hold a DoD Secret security clearance is preferred.
Experience with advanced reactor (e.g., High Temperature Gas-cooled Reactor (HTGR), Microreactor, Heat Pipe Reactor, space reactor) design is preferred.
Practical experience with fluid systems, thermal energy equipment or industrial plants is preferred.
Familiarity with industrial process control and control theory is preferred.
Familiarity with NQA-1 or equivalent quality control is preferred.
Benefits
X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees.
Location:
Rockville, MD
Work Site Expectations:
Onsite ,
Hybrid (at least 2 days per week in company office)
Travel Expectations : 0%
Job Classification : Full-time, Exempt
Hours:
8:00am-5:00pm, Mon-Fri
An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.
Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov)
E-Verify Participation Link: E-Verify Participation Poster English and Spanish
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