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
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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 design.
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📌 Senior Piping Engineer (Madrid)
🏢 Holtec
📍 Madrid