Mechanical Design Engineer III - Nuclear

Morson Edge (Canada); United States; On-site; USD 90,000 - 130,000; Full time

Job summary

We are seeking a highly technical and detail-oriented Mechanical Engineer to support the X-300 Small Modular Reactor (SMR) project. The role focuses on mechanical component fabrication support, working with internal design teams, global manufacturing vendors, and sourcing/procurement to ensure components meet technical, quality, and regulatory requirements.

Core hours are 9 AM–3 PM EST with some flexibility.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Minimum 5 years of mechanical engineering/fabrication experience, with 3+ years in nuclear.
• Experience with nuclear component design and manufacturing.
• Strong knowledge of ASME Section III and ASME B31.1.
• Knowledge of ASME Y14.5 (GD&T).
• Familiarity with nuclear QA requirements, including 10 CFR 50 Appendix B.
• Experience with active component qualification, welding practices, and material selection/compatibility.

Responsibilities

• Review and resolve vendor-related technical issues, including Supplier Change Requests, Inspection & Test Plans, procedures, and vendor documentation.
• Coordinate with manufacturing vendors through regular meetings and provide technical oversight of fabrication activities.
• Ensure compliance with ASME Section III, ASME B31.1, and nuclear quality assurance requirements.
• Identify and resolve technical open items, non-conformances (NCRs), and fabrication-related issues.
• Collaborate with engineering, procurement, project management, and vendor teams to support component design and manufacturing.
• Support vendor inspections and fabrication activities as required.

Skills

Nuclear industry experience

ASME Section III knowledge

ASME B31.1 knowledge

GD&T

Vendor coordination

Project management

Fabrication oversight

Education

Bachelor's degree in Mechanical Engineering

Tools

ANSYS

Job description

Core Hours: 9 AM–3 PM EST are the core business hours, with some flexibility

Project: Nuclear / SMR

Position Overview

We are seeking a highly technical and detail-oriented Mechanical Engineer to support the X-300 Small Modular Reactor (SMR) project.

This role focuses on mechanical component fabrication support, working closely with internal design teams, global manufacturing vendors, and sourcing/procurement teams to ensure components meet technical, quality, and regulatory requirements.

Key Responsibilities

• Review and resolve vendor-related technical issues, including Supplier Change Requests, Inspection & Test Plans, procedures, and vendor documentation.
• Coordinate with manufacturing vendors through regular meetings and provide technical oversight of fabrication activities.
• Ensure compliance with ASME Section III, ASME B31.1, and nuclear quality assurance requirements.
• Identify and resolve technical open items, non-conformances (NCRs), and fabrication-related issues.
• Collaborate with engineering, procurement, project management, and vendor teams to support component design and manufacturing.
• Support vendor inspections and fabrication activities as required.

Required Qualifications

• Bachelor's degree in Mechanical Engineering or a related discipline.
• Minimum 5 years of mechanical engineering/fabrication experience, preferably including 3+ years in the nuclear industry.
• Experience with nuclear component design and manufacturing.
• Strong knowledge of ASME Section III and ASME B31.1.
• Knowledge of ASME Y14.5 (GD&T).
• Familiarity with nuclear QA requirements, including 10 CFR 50 Appendix B.
• Experience with active component qualification, welding practices, and material selection/compatibility.

Preferred Qualifications

• Professional Engineer (P.E.) designation.
• Experience reviewing static and nonlinear FEA analysis (ANSYS).
• Experience with valves, actuators, hydraulic systems, or similar mechanical components.
• Ability to support the full design-to-fabrication and testing lifecycle.
• Strong project management and cross-functional communication skills.