Johnson Service Group (JSG) is a nationally recognized professional staffing firm, and we are recruiting for an experienced Software Developer to work within a nuclear plant operations department.


This direct hire role will assist in the development of the software models that support the control room simulator and will work in close collaboration with nuclear operators and engineers to support a range of software development tasks such as updating plant models in accordance with engineering documentation. 


Annual Base Salary: $110,000 - $130,000 + full benefits package
Citizenship: U.S. Citizenship is required
Location: Onsite in Corvallis, OR
Residency: Local or Regional candidates highly preferred


Responsibilities:  Accurately reflect information from engineering documentation into plant models. Support development, testing, and operation of the control room simulator and other software projects. Develops software in accordance with established procedures and processes to maintain configuration control. Documents software defects using issue tracking software. Provides recommended solutions when errors are encountered and seeks to identify common cause issues that affect performance of the software solution. Recommends solutions for problems using professional operational principles and company objectives. Collaborates with team members to ensure solutions are vetted and deliverables are of high quality. Performs hardware setup and maintenance such as installing computers/monitors and connecting cables.  This may at times require limited travel to other locations at company’s expense.

Education / Experience:  Bachelor’s degree in computer science, physics, engineering, or similar field required.  5+ years of software development experience is required. 3+ years of demonstrable software deliverables with a focus on modeling and simulator development is required.  Working with thermal hydraulic and neutronic analysis software is highly desirable. Working knowledge of electrical systems and ability to model breakers, busses, and electrical devices is highly desirable.   Additional required and preferred experience includes: Working knowledge of an integrated development environment such as Visual Studio or Visual Studio Code and a revision control system such as Git is required. Previous experience with project management systems like Gitlab or Github is required. Experience with developing software in Fortran, C++, and/or Python is required. Previous experience with GSE simulation software (i.e., SimExec, JTopmeret, JElectric) is required. Previous experience with thermal hydraulic system codes (e.g., RELAP5 and Trace) is preferred. Previous experience with neutronic analysis codes (e.g., Simulate 3 and MCNP) is preferred. Understanding of basic thermal hydraulic engineering principles is preferred. Understanding of basic numerical methods to solve coupled partial differential equations associated with fluid flow and heat transfer is preferred. Aptitude to read and interpret P&ID drawings is preferred Eligible to work under Department of Energy 10 CFR Part 810.
  Why Join This Project? Be a part of one of the most advanced nuclear energy developments in the U.S. Play a key role in the safe, innovative application of next-generation reactor designs. Join a collaborative, forward-thinking team driving clean energy transformation. Enjoy competitive compensation, strong benefits, and long-term career growth opportunities.

JSG offers medical, dental, vision, life insurance options, short-term disability, 401(k), weekly pay, and more. Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law.

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