Sargent & Lundy

Mechanical Engineer 3 - Nuclear

Sargent & Lundy$80K — $110K *
Energy & Utilities
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • BS in Mechanical Engineering or Chemical Engineering from ABET-accredited program
  • 3+ years experience in the power industry
  • Strong technical report writing skills
  • Knowledge of mechanical engineering applications
  • Interest in numerical computations and problem solving
  • Proficient in MS Office applications
  • Bilingual in Spanish and English.

Responsibilities

  • Apply knowledge of thermodynamics, heat transfer, and fluid mechanics to projects
  • Prepare calculations, evaluations, and technical reports
  • Conduct equipment sizing and optimization evaluation
  • Support project teams with mechanical system design and analysis
  • Travel to client and vendor locations for design reviews and field verification

Benefits

  • Comprehensive healthcare plans including medical, dental, and vision
  • Generous paid time off including vacation and personal/sick time
  • Flexible work arrangements with hybrid model
  • 401(k) and other financial benefits
  • Employee Assistance Program and Back-Up Daycare
  • Tuition assistance and merit scholarship program
  • Award-winning culture recognized for compensation and benefits.
Full Job Description
Description

  • 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

This role offers a hybrid work arrangement, with the expectation of spending three days a week in the office, giving you the flexibility to work remotely for two days.

Dependent upon your location, this opportunity offers a generous relocation package.

Qualifications

We do not sponsor employees for work authorization in the U.S. for this position.

Essential skills and experience:
  • 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).


AI & Automation at Sargent & Lundy

In this role, we expect people to be willing or able to solve problems using modern tools:
  • You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
  • Many engineers in these roles build or use automation to create calculations, summarize technical documents, or draft design documentation, including appropriate use of agentic AI tools, with strong engineering judgment and verification of results.
  • 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.


Award-Winning Benefits

At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.

Health & WellnessFinancial BenefitsWork-Life Balance
  • Health Plans: Medical, Dental, Vision
  • Life & Accident Insurance
  • Disability Coverage
  • Employee Assistance Program (EAP)
  • Back-Up Daycare
  • FSA & HSA
  • 401(k)
  • Pre-Tax Commuter Account
  • Merit Scholarship Program
  • Employee Discount Program
  • Corporate Charitable Giving Program
  • Tuition Assistance
  • First Professional Licensure Bonus
  • Employee Referral Bonus
  • Paid Annual Personal/Sick Time (PST)
  • Paid Vacation
  • Paid Holidays
  • Paid Parental Leave
  • Paid Bereavement Leave
  • Flexible Work Arrangements


About This Business Unit

Join Sargent & Lundy's Nuclear Power Group and be part of a team driving the future of clean, carbon-free energy. Since 1954, we've been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects. With a commitment to safety, innovation, and sustainability, we provide cutting-edge solutions that power communities worldwide while reducing emissions. Shape the future of global energy with us!

About Sargent & Lundy

Sargent & Lundy is an engineering consulting firm that provides comprehensive engineering, energy business consulting, and project services for power generation and transmission projects. The company was founded in 1891 and is headquartered in Chicago, Illinois. Sargent & Lundy has a team of over 2,000 professionals who have extensive experience in the power industry and can provide clients with innovative solutions to complex challenges. The company has worked on a wide range of projects including nuclear power plants, fossil fuel power plants, and renewable energy projects.
Learn more about Sargent & Lundy
Size
2,000 employees
Industry
Founded
1891

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