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Senior Mechanical Designer ; Plant 3D​/Revit Projects - Nuclear

Job in Chattanooga, Hamilton County, Tennessee, 37450, USA
Listing for: Sargent Lundy
Part Time position
Listed on 2026-01-12
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists
Salary/Wage Range or Industry Benchmark: 82120 USD Yearly USD 82120.00 YEAR
Job Description & How to Apply Below
Position: Senior Mechanical Designer 2 (Plant 3D / Revit Projects) - Nuclear

Overview

Description

  • 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.
Responsibilities
  • Work with multi-disciplined engineering and design project teams to develop mechanical general arrangement, piping isometric, pipe supports, and mechanical equipment layout drawings in a 3-D model
  • Use AutoCAD Plant 3D and Revit to generate mechanical design deliverables, BOMs, and commodity lists
  • Interpret piping and instrumentation diagrams and ensure physical design aligns with engineering requirements
  • Lead mechanical design coordination during detailed design phases for the integrated mechanical model
  • Identify and resolve clashes and discrepancies in the 3D model; report status
  • Coordinate and guide designers and project team members for complete and timely designs
  • Plan and execute mechanical deliverables independently
  • Mentor less experienced drafters and designers
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, AutoCAD Mechanical, MEP, and Map 3D. Proficient with Navisworks Manage and Revit
  • Understanding of the integration between P&IDs and 3D model development
  • Clash detection resolution
  • Discrepancy checks between deliverables
  • Interface with IT Administrators for development of mechanical deliverable templates and catalogs
  • Drawing presentation setup
  • Plant 3D and Revit model data management
  • 12 years of detailed design experience in mechanical plant design drawings (piping, pipe supports, equipment layout)
  • Proficiency with design software tools for executing 3D plant layout models
  • Experience in reviewing project deliverables and drawing requirements
  • Experience in reviewing 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, Micro Station, Microsoft Office tools
Awards & 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 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

$82,120.00 - $

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,…

Position Requirements
10+ Years work experience
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