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Sargent & Lundy Senior-Level Mechanical SmartPlant Designer in Chattanooga, Tennessee


  • 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 Hexagon’s SmartPlant S3D modeling software and SPF database to generate mechanical design deliverables, BOMs, and commodity lists

  • Understand and interpret piping & instrumentation diagrams developed using SPID 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.


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

Essential skills and experience:

  • Experience with SmartPlant S3D modeling software including the following:

  • Understanding of the integration aspects of SPID, SPF and S3D

  • Clash detection resolution

  • Discrepancy checks between deliverables

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

  • Drawing Presentation Rules Set Up

  • Plant model data management

  • Minimum seven 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:

  • Proficiency with MicroStation and AutoCAD

  • Microsoft Office tools

    Sargent & Lundy is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any protected status as defined by law.

Award Winning Compensation & 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 & Wellness Financial Benefits Work-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

Awards & Recognition



CountryUnited States

Area of InterestDesign and Drafting

TypeFull Time - Regular

Job ID2024-11463

Business GroupNuclear Power Group

DepartmentMechanical Design