Mechanical Engineer III–4187

RISINGSUN TECHNOLOGIES; United States; Remote; USD 85,000 - 121,000; Full time

Benefits offered by this job

Remote work option

Job summary

RISINGSUN TECHNOLOGIES is hiring a Mechanical Design Engineer to support a small modular reactor (SMR) project. The role oversees nuclear mechanical components from design through fabrication and final acceptance, ensuring code compliance, service readiness, and long-term reliability.

This remote position requires 5+ years in nuclear or regulated industries, CAD (Inventor), and ASME NQA-1 exposure. You will collaborate with cross-functional teams across the U.S. and Canada.

Qualifications

• Bachelor of Science in Mechanical Engineering or related field.
• Strong leadership and communication skills.
• Ability to work under schedule pressure and collaborate across teams.

Responsibilities

• Develop and review mechanical component specs, drawings, and fabrication docs.
• Define materials, weld details, and inspection per ASME III.
• Review CMTRs, CoCs, NDE records, and data packages.
• Address supplier change requests and fabrication procedures.
• Resolve issues during fabrication, testing, and inspection.
• Ensure compliance with 10 CFR 50 Appendix B and ASME NQA-1.
• Support environmental and seismic qualification of components.
• Lead resolution of nonconformances and design/fabrication issues.

Skills

Leadership

Communication

Problem-solving

GD&T

Education

B.S. in Mechanical Engineering

Tools

Autodesk Inventor

ANSYS

Job description

We’re Hiring: Mechanical Design Engineer – Nuclear Components

Location: 100% Remote

Hours: Flexible, generally 9 AM–5 PM Eastern Time; ability to work Eastern hours required

Travel: Must be able to travel within the United States and to Canada

Interview: One-round virtual panel interview with cameras on

Bill Rate: $75/hr

Hours: 40 hours/week

We are seeking an experienced Mechanical Design Engineer to support a small modular reactor (SMR) project. This role will oversee nuclear mechanical components from design through fabrication and final acceptance, ensuring code compliance, service readiness, and long-term reliability.

Key Responsibilities

• Develop and review mechanical component specifications, calculations, engineering drawings, and fabrication documents.
• Define materials, weld details, and inspection requirements in accordance with ASME Section III.
• Review and approve Certified Material Test Reports (CMTRs), Certificates of Conformance (CoCs), welding and nondestructive examination (NDE) records, dimensional inspection reports, and final data packages.
• Address supplier change requests, inspection and test plans, fabrication procedures, manufacturing plans, and vendor documentation.
• Resolve technical issues during fabrication, fit-up, testing, and final inspection.
• Ensure compliance with applicable nuclear codes and quality requirements, including 10 CFR 50 Appendix B and ASME NQA-1.
• Support environmental and seismic qualification of components.
• Lead resolution of nonconformances and outstanding design or fabrication issues.
• Collaborate with engineering, analysis, quality, supply chain, construction teams, and suppliers.
• Communicate technical risks, progress, and design trade-offs to stakeholders.

Must-Have Qualifications and Technical Skills

• Bachelor of Science in Mechanical Engineering or a related field.
• 5+ years of mechanical design engineering experience in nuclear or highly regulated industries, focused on ASME Section III Class 1, 2, or 3 components such as pressure vessels, piping, valves, and supports.
• Experience with boiling water reactors.
• Strong knowledge of ASME BPVC Section III, ASME B31.1, and ASME NQA-1.
• Experience working under nuclear quality assurance programs, including 10 CFR 50 Appendix B.
• Proficiency with CAD and Autodesk Inventor 3D design.
• Demonstrated ability to interpret engineering drawings, model-based definitions, and GD&T requirements in accordance with ASME Y14.5.
• Experience with weldment design and fabrication.
• Familiarity with ASME material, welding, and NDE requirements.
• Strong interpersonal, leadership, and problem-solving skills.
• Strong oral and written communication skills, including the ability to document, plan, and execute programs.
• Ability to resolve complex technical issues under schedule pressure.

Preferred Qualifications

• 7+ years of experience in heavy industrial, thermal power, or nuclear mechanical equipment and component design, including requirements development, procurement, testing, and fabrication or installation support.
• 4+ years of experience applying ASME codes and standards or equivalent.
• Master’s degree in an engineering discipline.
• Professional Engineer (P.E.) license.
• ASME Certifying Engineer qualification strongly preferred, or actively pursuing qualification.
• Proficiency with ANSYS finite element analysis (FEA).
• Knowledge of NRC and CNSC regulatory affairs and licensing processes.
• Familiarity with ASME OM Code and in-service considerations.
• Experience across component design, build, and test phases.
• Demonstrated leadership in multidisciplinary engineering environments.
• Ability to own scope, planning, scheduling, budgeting, action tracking, prioritization, monitoring, and corrective actions.
• A continuous improvement mindset with the ability to identify and implement better processes.