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

Position: Senior Mechanical Designer 2 (Plant 3D / Revit Projects) - Nuclear

Senior Mechanical Designer 2 (Plant 3D / Revit Projects) - Nuclear

Location:

Chattanooga, TN

Join Sargent & Lundy as a Senior Mechanical Designer, focusing on 3‑D modeling and Revit/Plant 3D projects for nuclear facilities.

Responsibilities

• Work under the direction of the Mechanical Project Lead to develop mechanical general arrangement, piping isometric, pipe support, and mechanical equipment layout drawings within a 3‑D model.
• Utilize Autodesk Plant 3D and Revit to generate design deliverables, BOMs, and commodity lists.
• Interpret piping & instrumentation diagrams created in Plant 3D and produce consistent physical designs.
• Lead the mechanical design team during the detailed design phase of an integrated mechanical model.
• Identify and resolve clashes and discrepancies in the 3‑D model, reporting status to stakeholders.
• Coordinate with other designers and project team members to ensure complete and timely design.
• Plan and execute independent mechanical design tasks.
• Mentor less‑experienced drafters and designers.

This position is based on a hybrid work schedule and requires in‑office work 3 days per week.

Eligibility

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

Qualifications

• 12+ years of detailed mechanical plant design experience (piping, pipe supports, equipment layout).
• Proficiency with Autodesk Plant 3D, Revit, AutoCAD Mechanical, MEP, Map 3D, Navisworks Manage, and related software.
• Deep understanding of P&n, clash detection, and discrepancy resolution.
• Experience reviewing vendor drawings, drawing requirements, and interface points.
• Ability to interface with multidisciplinary engineering and design teams.
• Strong communication, leadership, and mentoring skills.

Valued But Not Required Experience

• Autodesk Construction Cloud
• Micro Station
• Microsoft Office (advanced)

Benefits

• Health Plans:
  Medical, Dental, Vision
• Life & Accident Insurance
• Disability Coverage
• Employee Assistance Program (EAP)
• Back‑Up Daycare
• FSA & HSA
• 401(k) with company match
• 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 contribute to clean, carbon‑free energy. Since 1954, we have led nuclear engineering, design, and licensing across SMRs, ART, and renewable‑energy projects, driving safety, innovation, and sustainability.

Awards & Recognition

Sargent & Lundy has earned the Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.

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.

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