Senior Nuclear Analysis & Core Design Engineer

Entergy Corporation; Jackson (MS); On-site; USD 85,000 - 120,000; Full time

Job summary

Entergy in Mississippi is seeking a Nuclear Analysis Engineer I–Sr (Nuc) to support core reload design, licensing, and fuel reliability across its nuclear fleet. You will maintain core models, provide reactor physics expertise, review vendor deviations, and assist in startup and operation, ensuring safe, efficient, and compliant plant performance.

Qualifications include a BS in Nuclear Engineering, 0–6+ years depending on level, experience with CASMO/SIMULATE, SCALE, MCNP, Python or FORTRAN, and

Qualifications

• BS in Nuclear Engineering or closely related discipline.
• MS in engineering is desirable.
• Experience levels vary by Engineer level (I–Sr).
• Professional Engineering license is highly desired.

Responsibilities

• Provide technical expertise to core reload projects, including design and licensing.
• Collaborate on fuel and core designs to advance fuel performance and cost effectiveness.
• Support reload/startup activities with quality, predictability, and learning from fleet experiences.
• Maintain detailed core models for reactor engineering and safe operation.
• Provide reactor physics and fuel criticality expertise for licensing bases.
• Review and document vendor deviations and process changes affecting fuel design.

Skills

Nuclear engineering

Reactor physics

Fuel reliability

Python

FORTRAN

UNIX/Linux scripting

CASMO/SIMULATE

MCNP

Education

B.S. in Nuclear Engineering (or closely related)

Master of Science in engineering

Tools

CASMO/SIMULATE

SCALE

MCNP

Python

FORTRAN

Visual Basic

UNIX/Linux

Job description

Entergy in Mississippi is seeking a Nuclear Analysis Engineer I–Sr (Nuc) to support core reload design, licensing, and fuel reliability across its nuclear fleet. You will maintain core models, provide reactor physics expertise, review vendor deviations, and assist in startup and operation, ensuring safe, efficient, and compliant plant performance.

Qualifications include a BS in Nuclear Engineering, 0–6+ years depending on level, experience with CASMO/SIMULATE, SCALE, MCNP, Python or FORTRAN, and