Senior Mechanical Designer 1 (Plant 3D / Revit Projects) - Nuclear in , United States

Responsibilities

Under the direction of the Mechanical Project Lead, this position will offer you the opportunity to work with multi-disciplined engineering and design project teams in developing mechanical general arrangement, piping isometric, pipe support, and mechanical equipment layout drawings in a 3-D model

Utilize Autodesk’s AutoCAD Plant 3D and Revit modeling software to generate mechanical design deliverables, BOMs, and commodity lists

Understand and interpret piping & instrumentation diagrams developed using Plant 3D and create physical design consistent with the engineering requirements

Act as the mechanical design team lead in the coordination of detailed design phases for all aspects of an integrated mechanical design model

Resolve clashes and discrepancies in the 3D model and report status

Coordinate and provide guidance to other designers and project team members to ensure a complete and timely design

Independently plan and execute design of mechanical deliverables

Provide guidance as a mentor in the development of less experienced drafters and designers

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. for this position.

Essential skills and experience:

Experienced and proficient with AutoCAD Plant 3D software and other tool sets including AutoCAD Mechanical, MEP, and Map 3D. Experienced and proficient with Navisworks Manage and Revit software including the following:

Understanding of the integration aspects of P&IDs with 3D model development

Clash detection resolution

Discrepancy checks between deliverables

Interface with IT Administrators in the development of mechanical deliverable templates and catalogs

Drawing Presentation Set Up

Plant 3D and Revit model data management

10 or more years of detailed design experience in the development of mechanical plant design drawings; piping, pipe supports and equipment layout

Proficiency with design software tools in executing 3D plant layout models

Experience in the review of project deliverables and drawing requirements

Experience in the review of vendor drawings and interface points

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

Valued but not required experience:

Autodesk Construction Cloud, MicroStation

Microsoft Office tools

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 & Wellness Financial Benefits Work-Life Balance

Health Plans: Medical, Dental, Vision

Life & Accident Insurance

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

$77,890 - $118,999

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 , , , sex, , , status, protected veteran status, or any protected status as defined by applicable law.

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CityChattanooga

StateTN

CountryUnited States

Area of InterestDesign and Drafting

TypeFull Time - Regular

Job ID2026-25252

Business GroupNuclear Power Group

DepartmentMechanical Design