Mechanical Engineer 3 - Nuclear

Sargent & Lundy is a trusted leader in nuclear engineering, design, and licensing, specializing in clean, carbon-free energy solutions. The Mechanical Engineer 3 role involves applying knowledge of thermodynamics and fluid mechanics to support client projects, including preparing calculations and technical reports, and engaging in system engineering for power plant mechanical systems.

Responsibilities:

• This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, fluid mechanics, and power plant engineering
• You will be preparing calculations, evaluations, and technical reports to support client recommendations and reviews, and will additionally conduct equipment sizing, optimization evaluation, and selection in response to project needs
• While supporting project teams with other Mechanical Engineers, you will be involved in system engineering, including the design, modification, and analysis of power plant mechanical systems
• There is the potential for you to travel to client and vendor offices for design reviews and to plant site locations for meetings and field verification of designs

Requirements:

• This position requires a BS in Mechanical Engineering or Chemical Engineering from an ABET Engineering Accreditation Commission-approved program with a strong academic background and interest in thermodynamics, heat transfer, fluid mechanics, power engineering, turbomachinery, thermal systems, and energy conversion
• 3 or more years of experience in the power industry
• Assignments require the preparation of calculations and reports, and excellent technical report writing skills are essential
• Knowledge of the practical application of mechanical engineering and technology including applying systems, principles, techniques, procedures, and equipment to a project design
• Strong interest in numerical computations and problem solving
• Proficiency with MS Office applications
• Excellent written and verbal communication skills
• Must be bilingual in Spanish and English (read, speak, and write)
• Programming or scripting (e.g., Python, MATLAB, advanced Excel) to automate calculations, design checks, reporting, or data transformation is valued but not required
• We also value additional learning, such as a minor, certificate, or other training in Computer Science, Artificial Intelligence, Software Engineering, or related fields that helps you apply automation or agentic AI to real engineering problems