Nuclear Methods Software Engineer- Bellevue, WA - RCS Corporation

Nuclear Methods Software Engineer- Bellevue, WA

Engineering - Mechanical

Job Type: Contract
Posted: 10/14/2021

Bellevue, Washington

RCS Corporation has an immediate need for a Nuclear Methods Software Engineer for our client in the Bellevue, WA areaThis is a 1-year contract opportunity with the potential of extension.

Who We Are

RCS Corporation is a certified Women-Owned Small Business (WOSB) specializing in the recruitment of professionals for best-of-class companies throughout the United States.  Since 1994, RCS recruits top talent for direct hire, temp-to-perm and contract staffing positions and provides customized payroll services. Our Recruiting Specialties consist of all Engineering Disciplines, Project Management, Project Controls, Information Technology, Energy Efficiency and Business Professionals.


Our client is seeking to contract with a highly motivated Nuclear Methods Software Engineer. In this role, you will support the nuclear methods team:

  • Create formal documentation of nuclear methods software requirements, design, implementation, and testing in support of licensing our client's reactors. 

  • Update, improve, and/or create software to satisfy all licensing requirements during the Validation and Verification (V&V) process

  • Incorporate additional 3rd-party programs in our simulation ecosystem as necessary to support licensing

  • Design and execute sensitivity studies to understand the effects and validity of various modeling assumptions, including meshing, physics coupling, transport options, cross section preparation, fission product models, spatial kinetics, etc., and adjust methods as necessary

  • Train and support reactor designers and developers in the use of the design software suite

  • Build and apply methods to assess the propagation of uncertainty and their effect on safety margins

  • Enhance engineering team's ability to build models and make meaningful conclusions from simulation output through input tools, visualization, reports, etc.,


Key Qualifications and Skills

  • Advanced degree in Nuclear Engineering or equivalent and 4+ years of relevant experience preferred

  • Fast reactor physics and design intuition 

  • Experience in understanding and executing nuclear design/analysis methodologies, including criticality, flux/power distributions, fuel management optimization, reactivity coefficients, shielding, activation, control rod worth, detector response, and uncertainty analysis, ideally with a focus on fast-neutron reactors

  • Excellent “under-the-hood” knowledge of the methods of reactor physics analysis (deterministic and stochastic particle transport, isotopic depletion, perturbation theory, nuclear data, kinetics, etc.)

  • Experience with some nuclear engineering software such as DIF3D, MC2, PARTISN, MCNP, Serpent, SCALE, PARCS, APA, CASMO, DRAGON, ARMI, etc. preferred 

  • Strong computational expertise required: we consider computers to be the universe at our fingertips rather than burdensome necessities

  • Strong programming skills in any language required, preferably in scientific computing, Python, C++, and Fortran skills are a bonus

  • Proven ability to integrate and automate simulation tools

  • Demonstrable capabilities with fundamental software development tools (e.g. IDEs, version control, profilers, debuggers, documentation builders, packaging tools)

  • Experience interacting on nuclear methodology with the NRC under an ASME NQA-1 compliant QA environment preferred

  • Good working knowledge of general numerical methods and applied mathematics (e.g. PDEs, numerical stability, statistics, numerical analysis, dynamics)

  • Strong formal technical documentation skills required

  • Ability to consistently deliver to an aggressive schedule

  • Self-motivated: able to seek out tasks and produce value aligned with team goals without waiting for next assignment

  • Passion for and dedication to software best practices

  • Willingness to openly give and accept professional criticism through code reviews and other venues

  • Strong verbal communication skills desired

  • The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork

Job Functions

Job Functions are physical actions and/or working conditions associated with the position.  These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation.  Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations.  An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.

  • Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)

  • Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds

  • Ability to work in a laboratory setting with fluctuating temperatures

  • Repetitive work: Prolonged

  • Special Senses: Visual and audio focused work

  • Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hrs./day 

  • Travel required: 0-5%


RCS is an equal opportunity employer that prohibits discrimination and harassment of any type. RCS recruits, hires, and promotes for all positions without regard to race, color, religion, creed, national origin, citizenship status, disability, military status, veteran status, marital status, sexual orientation, gender identity, sex, genetic information or age. All terms and conditions of employment such as compensation, benefits, work assignment, availability of facilities and privileges of employment are administered on the same basis of equality.
RCS Corporation