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Entergy · Jackson, MS

Nuclear Analysis Engineer I-Sr (Nuc)

Jackson, Mississippi, United StatesSenior individual contributorOperations

Listed on Entergy’s official careers site. Listed as of October 17, 2026. Check that it is still open and apply there.

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Job description

Job Title

Nuclear Analysis Engineer I-Sr (Nuc)

PS Job Title

Nuclear Analysis Engineer I-Sr (Nuc)

Work Place Flexibility

Onsite Legal Entity: Entergy Services, LLC Job Summary/Purpose Core Design Engineers are responsible for supporting Entergy’s nuclear fleet in our mission to safely and efficiently provide clean, reliable and sustainable nuclear energy.

JOB DUTIES/RESPONSIBILITIES

Provide technical expertise to core reload projects including activities associated with the design and licensing of the core, including fabrication, fuel reliability and transportation. Collaborate on fuel and core designs, including strategic fuel design evaluations, to lead the industry in advanced technologies for improved fuel performance, reliability, and cost effectiveness. Support reload and startup activities by ensuring engineering work is performed with quality and predictability; fleet lessons learned are captured and discussed as part of continuous learning culture; and industry best practices are implemented.

Maintain detailed core models to support site reactor engineering and other plant functions in safely and reliably operating our nuclear fleet. Provide reactor physics and fuel criticality expertise to support the analytical and design bases on which each plant was licensed. Review, evaluate, and document Entergy’s acceptance to fuel vendor (or sub-supplier) fuel deviations to the approved design that can impact fuel design fit, form, and function.

Review, evaluate, and document Entergy’s acceptance to fuel vendor (or sub-supplier) fuel fabrication process changes that can impact fuel design fit, form, and function. Provide technical oversight of contracted analyses Ensures programs, such as Special Nuclear Material and Fuel Reliability, are implemented consistent with defined standards. Provide support to Reactor Engineering as a subject matter expert in Fuel Reliability and Special Nuclear Material programs, focusing on reactivity management, core monitoring/burnup, core component activities, operations support, spent fuel pool inventory management, fuel receipt and inspection, refueling, fuel movement, and dry cask fuel selection.

MINIMUM REQUIREMENTS

Minimum education required of the position: B.S. degree in Nuclear Engineering, or a closely related discipline (Physical Sciences) with equivalent experience.

Desired

Master of Science degree in engineering Minimum experience required of the position: Engineer I: 0+ years of experience in nuclear power design, operations, or equivalent.

Engineer II

2+ years of experience in nuclear power design, operations, or equivalent.

Engineer III

4+ years of experience in nuclear power design, operations, or equivalent.

Senior Engineer

6+ years of experience in nuclear power design, operations, or equivalent.

Note

Relevant M.S. Degree or P.E. in related field may count as 1 year of experience.

Desired

Experience in Reactor Engineering, Safety Analysis, or Fuel Engineering. Desired knowledge, skills and abilities required of the position: Technical proficiency in nuclear fuel management. Technical understanding of nuclear generation principles and operation. Outstanding communication, conflict management, and change management skills. Proficiency with current computer business applications.

  • Experience with nuclear design software packages (CASMO/SIMULATE, SCALE, MCNP, etc.)
  • Experience with programming languages (Python, FORTRAN, Visual Basic, etc.) and shell scripting in UNIX/LINUX environments Any certificates, licenses, etc. required for the position: Highly Desired: Professional Engineering license (Nuclear discipline preferred).

Primary Location

Mississippi-Jackson Mississippi : Jackson Job Function: Engineering FLSA Status: Professional Relocation Option: Level II Union description/code: NON BARGAINING UNIT Number of Openings: 1 Req ID: 124625 PS Job Title: Nuclear Analysis Engineer I-Sr (Nuc)

Travel Percentage

Up to 25% An Equal Opportunity Employer, Minority/Female/Disability/Vets.

Please click here to view the EEO page, or see statements below.

EEO Statement

The Entergy System of Companies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws. The Entergy System of Companies complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities.

This policy applies to all terms and conditions of employment including, but not limited to, recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. The Entergy System of Companies expressly prohibits any form of unlawful employee harassment based on race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

Improper interference with the ability of the Entergy System of Company employees to perform their expected job duties is absolutely not tolerated.

Accessibility

Entergy provides reasonable accommodations for online applicants. Requests for a reasonable accommodation may be made orally or in writing by an applicant, employee, or third party on his or her behalf. If you are an individual with a disability and you are in need of an accommodation for the recruiting process please click here and provide your name, contact number, the accommodation requested and the requisition number that you are requesting the accommodation for.

Employee Services will contact you regarding your request.

Additional Responsibilities

As a provider of essential services, Entergy expects its employees to be available to work additional hours, to work in alternate locations, and/or to perform additional duties in connection with storms, outages, emergencies, or other situations as deemed necessary by the company. Exempt employees may not be paid overtime associated with such duties.

Know Your Rights

Workplace Discrimination is Illegal The non-confidential portions of the affirmative action program for individuals with disabilities and protected veterans shall be available for inspection upon request by any employee or applicant for employment. Please contact [email protected] to schedule a time to review the affirmative action plan during regular office hours.

WORKING CONDITIONS

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