Senior Piping Engineer

Holtec International; Madrid; On-site; EUR 120,000 - 150,000; Full time

Job summary

Holtec International in Madrid, Spain seeks a Senior Piping Engineer to lead the analysis, design, and integrity assessment of nuclear piping systems for advanced reactors, including SMRs. You will drive stress analysis, fracture mechanics, LBB/HELB methodologies, and interface with Smart3D for layout issues.

Requirements include 15+ years in nuclear piping analysis, ASME III experience, and tools such as AutoPIPE/Smart3D.

Qualifications

• Bachelor’s degree in Mechanical, Structural, or Nuclear Engineering; MSE/PhD strongly preferred.
• 15+ years of experience in nuclear piping analysis and component integrity.
• Extensive experience with ASME Section III Class 1, 2, 3 piping analysis.
• Expertise in fracture mechanics and structural integrity assessment.
• Experience with piping tools such as AutoPIPE and Smart3D environments.
• Knowledge of pipe support design and integration.
• Familiarity with nuclear regulatory requirements (US NRC, CSA, REGDOC).
• Strong leadership, communication, and collaboration skills.

Responsibilities

• Lead nuclear piping design and stress analysis for ASME Section III Class 1, 2, and 3 systems.
• Perform advanced fracture mechanics, fatigue, SCC crack growth, and fitness-for-service evaluations.
• Develop and implement methodologies such as Leak-Before-Break (LBB) and High Energy Line Break (HELB).
• Conduct piping stress analysis using industry tools (AutoPIPE, ANSYS, ABAQUS, PIPESTRESS).
• Interface with Smart3D/SmartPlant models to resolve layout and flexibility issues.
• Ensure compliance with nuclear codes and standards (ASME BPVC III/XI, B31.1, B31.3, API-579, BS7910).
• Lead R&D programs and participate in benchmarking and regulatory initiatives.
• Mentor engineers and lead multidisciplinary teams.

Skills

Leadership

Communication

Collaboration

Regulatory knowledge

Education

Bachelor's degree in Mechanical/Structural or Nuclear Engineering

MSE/PhD strongly preferred

Tools

AutoPIPE

Smart3D

GT STRUDL

PV Elite

Job description

The Senior Piping Engineer will lead the analysis, design, and structural integrity assessment of nuclear piping systems and reactor components for advanced reactors including SMRs. This role combines deep technical expertise in piping stress analysis, fracture mechanics, and regulatory compliance with strong leadership in multidisciplinary project execution.

Location: Madrid, Spain - Relocation Assistance Available!

Primary Responsibilities

• Lead nuclear piping design and stress analysis for ASME Section III Class 1, 2, and 3 systems
• Perform advanced fracture mechanics, fatigue, SCC crack growth, and fitness-for-service evaluations
• Develop and implement methodologies such as Leak-Before-Break (LBB) and High Energy Line Break (HELB)
• Conduct piping stress analysis using industry tools (AutoPIPE, ANSYS, ABAQUS, PIPESTRESS)
• Analyze pipe supports per ASME NF and coordinate with support design teams
• Develop and review engineering deliverables including stress reports, calculations, and line lists
• Interface with Smart3D/SmartPlant models to resolve layout and flexibility issues
• Ensure compliance with nuclear codes and standards (ASME BPVC III/XI, B31.1, B31.3, API-579, BS7910)
• Provide technical leadership in probabilistic fracture mechanics and risk-informed methodologies
• Support fabrication, construction, and field issue resolution
• Review vendor and supplier documentation for compliance
• Lead R&D programs and participate in benchmarking and regulatory initiatives
• Develop proposals, schedules, and project budgets
• Mentor engineers and lead multidisciplinary teams

Requirements

• Bachelor’s degree in Mechanical, Structural, or Nuclear Engineering (MSE/PhD strongly preferred)
• 15+ years of experience in nuclear piping analysis and component integrity
• Extensive experience with ASME Section III Class 1, 2, 3 piping analysis
• Expertise in fracture mechanics and structural integrity assessment
• Experience with piping tools such as AutoPIPE and Smart3D environments
• Knowledge of pipe support design and integration
• Familiarity with nuclear regulatory requirements (US NRC, CSA, REGDOC)
• Strong leadership, communication, and collaboration skills

Preferred Qualifications

• Professional Engineer (P.Eng. or PE) license
• Experience with BWR, CANDU, or SMR reactor systems
• Experience with probabilistic tools such as xLPR or PRAISE
• Experience using GT STRUDL, PV Elite, or similar tools
• Advanced research background and publication record
• Experience contributing to codes, standards, or industry working groups
• Teaching, mentoring, or academic collaboration experience
• Eligibility to work under 10 CFR Part 810

A Generation Ahead by DesignTM

Investing in people who power the future.

We believe great work deserves great rewards. Our benefits go beyond the basics, reflecting our commitment to supporting your whole self…your health, your future, and your career growth.

If you’re driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec - a generation ahead by designTM.