Piping Engineer - Nuclear Systems (SMR)

Holtec; Comunidad de Madrid; On-site; EUR 70,000 - 100,000; Full time

Job summary

Holtec International, through its SMR LLC subsidiary, seeks a Piping Engineer in Madrid, Spain, to analyze and design nuclear piping systems for the SMR-300. You will perform stress analyses (ASME III NC/ND), coordinate with supports, and produce deliverables including reports and drawings.

The role requires 5 years in piping analysis in regulated industries, proficiency with AutoPIPE and Smart3D/SmartPlant, and collaboration across multidisciplinary teams to meet regulatory and quality

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field; advanced degree preferred.
• 5 years of piping analysis experience in nuclear or regulated industries.
• Direct ASME Section III Class 1, 2, and 3 piping analysis experience.
• Proficiency with AutoPIPE and experience with SmartPlant/Smart3D.

Responsibilities

• Perform nuclear piping stress analyses using AutoPIPE per ASME Section III Class 1, 2, and 3 (NC/ND) requirements.
• Analyze pipe supports and coordinate closely with pipe support design teams to ensure structural adequacy and proper integration.
• Prepare, review, and maintain piping engineering deliverables, including stress analysis reports, isometric drawings, and line lists.
• Support Smart3D piping models and resolve piping layout, flexibility, and stress interface issues.
• Collaborate with structural, mechanical, and systems engineering teams to resolve design and analysis challenges.
• Provide technical support during fabrication and construction, addressing piping-related inquiries and field issues.
• Review supplier and vendor documentation for compliance with design requirements and applicable codes and standards.
• Ensure engineering work meets quality, completeness, and regulatory expectations in accordance with internal procedures and governing codes.

Skills

Strong communication

Collaboration

Cross-functional teamwork

Problem solving

Education

Bachelor's degree in Mechanical Engineering

Advanced engineering degree preferred

Tools

AutoPIPE

SmartPlant

Smart3D

GT STRUDL

PV Elite

ANSYS

Job description

The Piping Engineer at Holtec International, through its subsidiary SMR LLC, supports the analysis and design of nuclear piping systems for the SMR‑300, an advanced small modular reactor developed to deliver safe, secure, and reliable clean energy. This role focuses on ASME Section III Class 1, 2, and 3 piping design and works closely with multidisciplinary engineering teams to ensure systems meet safety, regulatory, and quality requirements, making it well suited for an engineer with strong piping stress analysis expertise, experience with industry‑standard tools, and the ability to collaborate effectively in a complex technical design environment.

Location:

Madrid, Spain

Primary Responsibilities:

• Perform nuclear piping stress analyses using AutoPIPE in accordance with ASME Section III Class 1, 2, and 3 (NC/ND) requirements
• Analyze pipe supports and coordinate closely with pipe support design teams to ensure structural adequacy and proper integration
• Prepare, review, and maintain piping engineering deliverables, including stress analysis reports, isometric drawings, and line lists
• Support Smart3D piping models and resolve piping layout, flexibility, and stress interface issues
• Collaborate with structural, mechanical, and systems engineering teams to resolve design and analysis challenges
• Provide technical support during fabrication and construction, addressing piping‑related inquiries and field issues
• Review supplier and vendor documentation for compliance with design requirements and applicable codes and standards
• Ensure engineering work meets quality, completeness, and regulatory expectations in accordance with internal procedures and governing codes

Requirements:

• Bachelor’s degree in Mechanical Engineering or a related field, advanced engineering degree preferred
• 5 years of experience in piping analysis within nuclear or other regulated industries
• Direct experience performing ASME Section III Class 1, 2, and 3 piping analysis
• Experience with additional piping codes such as ASME B31.1 or similar
• Proficiency with AutoPIPE
• Experience working in SmartPlant or Smart3D environments
• Strong communication and collaboration skills
• Ability to work effectively in a cross-functional team environment
• Eligibility to work under 10 CFR Part 810
• Familiarity with U.S. NRC regulations related to nuclear design and construction preferred
• Working knowledge of pipe support design and integration with stress analysis
• Experience with additional tools such as GT STRUDL, PV Elite, or ANSYS

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