Mechanical Designer 3 - Nuclear Power

Sargent Lundy; Knoxville (TN); Hybrid; USD 68,000 - 104,000; Full time

Benefits offered by this job

Flexible Work Arrangements

Health Plans: Medical, Dental, Vision

Life & Accident Insurance

Disability Coverage

Paid Annual Personal/Sick Time

Paid Holidays

Paid Parental Leave

Job summary

Sargent & Lundy in Knoxville, TN, is seeking a Mechanical Designer to contribute to a hybrid office/remote work arrangement on a multi-discipline engineering team. You will develop mechanical general arrangements, piping isometrics, and layout drawings in 3D, using SmartPlant S3D.

The role requires at least three years of detailed design experience, proficiency with 3D plant layout tools, and the ability to mentor junior designers. The team emphasizes collaboration and timely design delivery.

Qualifications

• SmartPlant S3D modeling experience with SPID, SPF and S3D integration.
• Minimum three years of detailed design experience in mechanical plant drawings (piping, supports, layout).
• Proficiency in 3D plant layout modeling tools.
• Ability to interface with engineering and design teams across disciplines.

Responsibilities

• Develop mechanical general arrangements, piping isometrics, pipe supports and layout drawings in 3D.
• Generate deliverables, BOMs, and catalogs using SmartPlant S3D.
• Interpret piping and instrumentation diagrams and ensure design aligns with requirements.
• Lead mechanical design coordination and resolve 3D model clashes.
• Mentor junior designers and provide guidance to the team.
• Coordinate with project teams to deliver complete designs on schedule.

Skills

SmartPlant S3D

3D plant layout

Interdisciplinary collaboration

Team leadership

Clash detection

Tools

MicroStation

AutoCAD

Microsoft Office

Job description

Responsibilities

This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home.

• 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

Qualifications

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 three 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

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.