Mechanical Designer 3 - Nuclear Power

Sargent & Lundy; Phoenix (AZ); Hybrid; USD 68,000 - 104,000; Full time

Benefits offered by this job

Health plans

Life & disability insurance

EAP

Paid time off

401(k)

Tuition assistance

Pre-Tax Commuter Account

Job summary

Sargent & Lundy in Phoenix, AZ, is seeking a Mechanical Designer to join our Nuclear Power Group on a hybrid schedule with a mix of office and remote work.

Under the Mechanical Project Lead, you will develop 3-D plant layout drawings, lead design coordination, and mentor junior drafters while delivering detailed piping and equipment layouts. The role requires SmartPlant S3D experience and field walkdown opportunities.

Qualifications

• Three+ years of detailed mechanical plant design experience (piping, supports, equipment layout).
• Experience with SmartPlant S3D including SPID/SPF and clash resolution.
• Ability to review vendor drawings and interface points.

Responsibilities

• Develop mechanical 3D layout drawings in a 3D model.
• Lead mechanical design coordination and guide teammates.
• Plan and execute design deliverables such as GA drawings, piping isometrics, and supports.
• Possibly perform field walkdowns and data gathering at client facilities.
• Mentor less experienced drafters and designers.
• Assist with walkdowns at client facilities for design input.
• Capable of badge access to a nuclear facility.

Skills

Mechanical design experience

3D plant layout

Team collaboration

Problem solving

Tools

SmartPlant S3D

MicroStation

AutoCAD

Job description

Description

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 physical layout drawings in a 3-D model
• Challenging assignments that include the design of mechanical systems, and investigating, trouble‑shooting, and solving a wide variety of mechanical design issues
• Utilize 3D modeling software tools to generate mechanical design schematics
• Act as the Mechanical design team lead in the coordination of detailed design phases for all aspects of an integrated mechanical design model
• Coordinate and provide guidance to other designers and project team members to ensure a complete and timely design
• Independently plan and execute design deliverables, such as general arrangements, piping isometrics, piping composites, pipe support drawings, and equipment location drawings
• There may be the opportunity to conduct field walkdowns and data gathering at client facilities
• Provide guidance as a mentor in the development of less experienced drafters and designers
• Accompany and assist experienced designers on walkdowns at client facilities to gather information for your design project
• Capable of being badged for unescorted access to a nuclear station.

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

Award-Winning 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 & 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.