Mechanical Engineer 3 - Nuclear

Sargent & Lundy•Chicago, IL

1d•Hybrid

About The Position

This hybrid position requires working in the office three days per week. The Mechanical Engineer will apply knowledge of thermodynamics, heat transfer, fluid mechanics, and power plant engineering to support client recommendations and project needs. Work includes preparing calculations, evaluations, and technical reports; sizing and selecting equipment; evaluating optimization opportunities; and supporting the design, modification, and analysis of power plant mechanical systems. The role involves collaboration with other Mechanical Engineers and may require travel to client and vendor offices for design reviews, as well as plant sites for meetings and design verification. The position is part of Sargent & Lundy’s Nuclear Power Group, which works on nuclear engineering, design, and licensing. The group’s projects include small modular reactors, advanced reactor technology, reactor restart projects, existing plant life extensions and digital modernization, coal-to-nuclear conversions, and international nuclear new-build projects. The company describes its work as supporting clean, carbon-free energy and reducing emissions. Sargent & Lundy offers healthcare plans, paid time off, and other benefits. Compensation is listed at $74,353–$113,595, with eligible employees potentially able to participate in a yearly discretionary bonus. The company does not sponsor U.S. work authorization for this position.

Requirements

Bachelor’s or master’s degree in Mechanical Engineering, with a strong academic background and interest in thermodynamics, heat transfer, fluid mechanics, and thermal systems.
At least 3 years of experience.
Knowledge of the practical application of mechanical engineering and technology, including applying systems, principles, techniques, procedures, and equipment to project design.
Knowledge of design techniques, tools, and principles used to produce technical plans, fabrication drawings, and models.
Ability to prepare calculations and reports; excellent technical report-writing skills.
Strong interest in numerical computations and problem solving.
Proficiency with MS Office applications.
Excellent written and verbal communication skills.

Nice To Haves

Successful completion of the Fundamentals of Engineering (FE) exam and designation as an Engineer in Training.
Experience writing and providing supporting documentation for Mechanical Engineering calculations.
Coursework in power engineering, turbomachinery, energy conversion, or technology and innovation.
Experience or interest in using AI, automation, programming, or similar technologies, where relevant to the role; not required.

Responsibilities

Prepare calculations, evaluations, and technical reports to support client recommendations and reviews.
Conduct equipment sizing, optimization evaluations, and equipment selection in response to project needs.
Support project teams with the design, modification, and analysis of power plant mechanical systems.
Apply knowledge of thermodynamics, heat transfer, fluid mechanics, and power plant engineering.
Travel, as needed, to client and vendor offices for design reviews and to plant sites for meetings and design verification.