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Mechanical Designer 3 - Nuclear

Sargent & Lundy

Listing collected from Sargent & Lundy's career site. NextChapter is independent of Sargent & Lundy.

Atlanta, GA · Posted October 7, 2026

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AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).

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About the job

Responsibilities

WORK LOCATION: This position is based on a hybrid work schedule and will require in-office work 3 days per week at the Sargent & Lundy office in Peachtree Corners, GA.

As a member of the mechanical design team, this position will offer you the opportunity to work in a multi-disciplined engineering and design project team developing mechanical equipment location, piping layout and pipe support deliverables

Participate in 3D model reviews and the coordination of detailed design phases for all aspects of an integrated mechanical design

Provide support to other designers and project team members in order to ensure a complete and timely design

Layout mechanical equipment maintaining required spatial clearances utilizing 3D modeling software

Develop physical piping layout and pipe support designs utilizing 3D modeling software in an integrated 3D design environment

Layout piping, associated components and pipe supports utilizing system design criteria and engineering piping & instrumentation diagram (P&ID) information

Work with mechanical equipment 3D model layout and vendor drawings to verify equipment and component connection points

Work in 3D model with other design disciplines to ensure that physical clearances are met and constructability, accessibility, and operations and maintenance requirements are maintained

Work with piping stress and structural engineers to locate and detail required pipe supports

Develop 2D mechanical equipment location, piping isometric and mechanical piping composite drawings from the 3D model

Develop 2D pipe support drawings

Generate complete bills of materials for piping and pipe supports

Qualifications

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

Essential skills and experience:

An Associate's Degree in drafting, or a high school diploma and 4+ years of drafting course work or equivalent technical experience

Proficiency in 3D integrated plant modeling design software tools

Proficiency in 3D MicroStation or 3D AutoCAD

Proficiency in reading spreadsheets created from the 3D model

8 or more years of detailed physical design experience in the development of mechanical general arrangements, piping systems, and supports

3 or more years of experience in the nuclear power industry

Experience in the review of mechanical equipment, including outlines and interface points, and coordinating and developing the associated deliverables

Ability to interface with engineering and design teams of other disciplines in the project design process

Valued but not required experience:

Proficiency with MicroStation

Technology & Innovation

Sargent & Lundy values the appropriate use of technology to improve how work gets done and deliver high-quality outcomes for our clients. Depending on the role, employees may use data, automation, artificial intelligence, and other digital tools to support research, analysis, engineering and design activities, workflow improvement, or other aspects of their work. We value candidates who demonstrate an interest in learning and effectively using emerging technologies where relevant to their role. Employees remain accountable for their work and are expected to apply appropriate professional judgment and review when using technology-assisted tools. Experience with AI, automation, programming, or similar technologies is valued where relevant but is not required unless specifically identified elsewhere in the job description.

About Sargent & Lundy

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 $68,325 - $104,385

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.