Mechanical Engineer 3 - Nuclear

Sargent & Lundy

Town of Florida (NY)

Hybrid

USD 74,000 - 114,000

Full time

14 days+
Application generator

Turn this role into an interview — a resume and cover letter built around what this employer wants.

Get past ATS filters

Benefits offered by this job

Health, Dental, Vision plans
401(k)
Paid time off

Job summary

Sargent & Lundy is seeking a Mechanical Engineer to apply thermodynamics, heat transfer, and fluid mechanics to power plant projects in a hybrid work setting. You will prepare calculations, evaluations, and technical reports to support client recommendations and engage in equipment sizing and optimization to meet project needs.

Responsibilities include system engineering, design modifications, and traveling to client and vendor sites for reviews and field verification.

Qualifications

  • This position requires a BS in Mechanical or Chemical Engineering from an ABET-accredited program with strong thermodynamics, heat transfer, and energy conversion focus.
  • Minimum of 3 years in the power industry and strong technical report writing skills are essential.
  • Knowledge of applying mechanical engineering principles to project design is required.

Responsibilities

  • Apply thermodynamics, heat transfer, fluid mechanics, and power engineering to project work.
  • Prepare calculations, evaluations, and technical reports to support recommendations.
  • Conduct equipment sizing, optimization evaluation, and selection as needed for projects.
  • Support project teams in system engineering and travel to client/vendor sites for reviews.

Skills

Thermodynamics
Heat Transfer
Fluid Mechanics
Power Engineering
Turbomachinery
Thermal Systems
Energy Conversion
Calculations & Reports
MS Office
Written & Verbal Communication

Education

BS in Mechanical or Chemical Engineering (ABET-accredited)

Tools

Python
MATLAB
MS Office

Job 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 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 position is based on a hybrid work schedule and will require in-office work 3 days per week.

Qualifications

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

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
AI & Automation at Sargent & Lundy
  • 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 & Wellness Financial Benefits Work-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
Compensation Range

$74,353 - $113,595

Transparency Statement

Sargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.

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!

Equal Opportunity

Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Mechanical Engineer 3 - Nuclear
Mechanical Engineer 3 - Nuclear

Sargent Lundy • Atlanta (GA)

Hybrid
USD 74,000 - 114,000
Health Plans
Life Insurance
Disability Coverage
+5
Mechanical Engineer 3 - Nuclear
Mechanical Engineer 3 - Nuclear

Sargent & Lundy • Atlanta (GA)

Hybrid
USD 74,000 - 114,000
Health plans (medical, dental, vision)
401(k)
Paid time off
+2
Mechanical Engineer 1 (Entry-Level) - Nuclear
Mechanical Engineer 1 (Entry-Level) - Nuclear

Sargent Lundy • Chicago (IL)

On-site
USD 63,000 - 91,000
Health plans
Life Insurance
Disability Coverage
+3
Mechanical Engineer 1 (Entry-Level) - Nuclear
Mechanical Engineer 1 (Entry-Level) - Nuclear

Sargent Lundy • Chattanooga (TN)

On-site
USD 63,000 - 91,000
Health plans
Life & accident insurance
Disability coverage
+9
Lead Mechanical Engineer 2 - Nuclear
Lead Mechanical Engineer 2 - Nuclear

Sargent & Lundy • Charlotte (NC)

Hybrid
USD 135,000 - 206,000
Health insurance
Paid time off
401(k)
Senior Mechanical Engineer 1 - Nuclear
Senior Mechanical Engineer 1 - Nuclear

Sargent Lundy • Warrenville (IL)

Hybrid
USD 84,000 - 130,000
Comprehensive healthcare plans
401(k)
Paid time off
+1
Senior Mechanical Engineer 2 - Nuclear
Senior Mechanical Engineer 2 - Nuclear

Sargent Lundy • Greenville (SC)

Hybrid
USD 100,000 - 153,000
Health & dental plans
Paid time off & holidays
401(k) retirement plan
+1
Senior Mechanical Engineer 1 - Nuclear
Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy • Metairie (LA)

Hybrid
USD 85,000 - 129,000
Health plans
Paid time off
401(k)
+2
Lead Mechanical Engineer 2 (Nuclear Plant Analysis) - Nuclear
Lead Mechanical Engineer 2 (Nuclear Plant Analysis) - Nuclear

Sargent Lundy • Town of Florida (NY)

Hybrid
USD 134,000 - 206,000
Health Plans
Life & Accident Insurance
Disability Coverage
+2
Balance of Plant Senior Mechanical Engineer 1 - Nuclear
Balance of Plant Senior Mechanical Engineer 1 - Nuclear

Sargent Lundy • Wilmington (DE)

On-site
USD 85,000 - 129,000
Health Plans
Life Insurance
Disability Coverage
+17