Sargent & Lundy

Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy$84K — $129K *
Energy & Utilities
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • BS or MS in Mechanical or Chemical Engineering from an ABET accredited program
  • Minimum of 5 years of experience in the power industry
  • Working knowledge of codes, standards, and regulations for nuclear power plants' mechanical design
  • Experience with automation and AI tools in engineering workflows is a plus
  • Leadership capabilities in guiding engineering teams through modern tools and techniques

Responsibilities

  • Lead engineering design efforts for nuclear power plant systems
  • Prepare and review modification packages for existing plants
  • Develop system and component performance specifications
  • Create functional mechanical drawings for nuclear systems
  • Conduct engineering analyses to support plant modifications
  • Evaluate technical specifications and procurement documents for plant equipment
  • Direct studies and assessments for system modifications

Benefits

  • Comprehensive healthcare plans including medical, dental, and vision
  • 401(k) plan with employer contributions
  • Tuition assistance for continued education and career development
  • Generous paid time off including vacations and parental leave
  • Flexible work arrangements to promote work-life balance
Full Job Description
Description

This will be a full-time (5 days/week) on-siteposition at TRISO-X Fuel Fabrication Facility in Oak Ridge, Tennessee.

This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities.

We are looking for candidates with experience in the analysis, design, and licensing requirements of mechanical and nuclear systems and components for nuclear power plants.

You will be involved in nuclear power plant systems design, including preparation or review of:

  • Modification packages for operating nuclear power plants
  • System and Component Performance specifications
  • Functional mechanical drawings and/or drawings for nuclear power plant systems
  • Engineering analyses and evaluations to support modifications and operation of plant systems
  • Technical specifications and procurement documents for plant equipment
  • Vendor bid evaluations for plant equipment
  • Studies and options evaluations for modifications to operating nuclear power plants
Qualifications

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

  • BS or MS in Mechanical or Chemical Engineering from an ABET accredited program
  • Minimum of 5 years of experience in the power industry.
  • Working knowledge of codes, standards, and regulations that apply to mechanical engineering design of nuclear power plants
AI & Automation at Sargent & Lundy

In this role, we expect people to be willing or able to lead others who use modern tools:

  • You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
  • Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
  • Overseeing engineers who program or script (e.g., Python, MATLAB, advanced Excel) to automate engineering tasks, with review of automated outputs, is valued but not required.
  • We also value additional learning, such as a minor, certificate, or other experience in Computer Science, Artificial Intelligence, Software Engineering, or related fields that enables effective oversight of automation and agentic AI-enabled engineering workflows.
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
Compensation Range$84,762 - $129,498 Transparency StatementSargent & 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, we99ve 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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