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

Job in Chattanooga, Hamilton County, Tennessee, 37450, USA
Listing for: Sargent & Lundy
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists
Salary/Wage Range or Industry Benchmark: 63480 - 99080 USD Yearly USD 63480.00 99080.00 YEAR
Job Description & How to Apply Below
Position: Mechanical Designer 3 (Plant 3D / Revit Projects) - Nuclear

Overview

Mechanical Designer 3 (Plant 3D / Revit Projects) - Nuclear at Sargent & Lundy. This position is based on a hybrid work schedule with in‑office work 3 days per week.

Responsibilities
  • Under the direction of the Mechanical Project Lead, develop mechanical general arrangement, piping isometric, pipe support, and mechanical equipment layout drawings in a 3‑D model.
  • Utilize AutoCAD Plant 3D and Revit to generate mechanical design deliverables, BOMs, and commodity lists.
  • Interpret piping & instrumentation diagrams developed using Plant 3D and create physical designs consistent with engineering requirements.
  • Act as the mechanical design team lead in coordinating detailed design phases for 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 the design of mechanical deliverables.
  • Provide guidance as a mentor in the development of less experienced drafters and designers.
Qualifications

Essential Skills And Experience

  • Experienced and proficient with AutoCAD Plant 3D and other tool sets including AutoCAD Mechanical, MEP, and Map 3D. Proficient with Navisworks Manage and Revit.
  • Understanding of the integration of P&IDs with 3D model development.
  • Clash detection resolution and discrepancy checks between deliverables.
  • Interface with IT Administrators in the development of mechanical deliverable templates and catalogs.
  • Drawing presentation setup and Plant 3D and Revit model data management.
  • 8 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 for executing 3D plant layout models.
  • Experience in the review of project deliverables, drawing requirements, and vendor drawings/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
Award-Winning Benefits

At Sargent & Lundy, we care about the health and well-being of our employees. Our comprehensive healthcare plans, generous paid time off, and award-winning benefits support work-life balance. We have earned recognition including the Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.

Benefits
  • 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 Time Off:
    Personal/Sick, Vacation, Holidays
  • Paid Parental Leave, Bereavement Leave
  • Flexible Work Arrangements
Compensation

Compensation Range: $63,480.00 - $99,080.00

About This Business Unit

Join Sargent & Lundy’s Nuclear Power Group and contribute to clean, carbon-free energy through nuclear engineering, design, and licensing. Our work includes SMRs, ART, reactor restart projects, life extensions, digital modernization, and international initiatives.

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 other protected status as defined by law.

Job Details
  • Seniority level:
    Mid-Senior level
  • Employment type:

    Full-time
  • Job function:
    Engineering and Information Technology
  • Industries:
    Professional Services

Chattanooga, TN

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