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 ResponsibilitiesLead nuclear piping design and stress analysis for ASME Section III Class 1, 2, and 3 systemsPerform advanced fracture mechanics, fatigue, SCC crack growth, and fitness-for-service evaluationsDevelop 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 teamsDevelop and review engineering deliverables including stress reports, calculations, and line listsInterface with Smart3D/SmartPlant models to resolve layout and flexibility issuesEnsure 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 methodologiesSupport fabrication, construction, and field issue resolutionReview vendor and supplier documentation for complianceLead R&D; programs and participate in benchmarking and regulatory initiativesDevelop proposals, schedules,



and project budgetsMentor engineers and lead multidisciplinary teamsRequirementsBachelor’s degree in Mechanical, Structural, or Nuclear Engineering (MSE/PhD strongly preferred)15+ years of experience in nuclear piping analysis and component integrityExtensive experience with ASME Section III Class 1, 2, 3 piping analysisExpertise in fracture mechanics and structural integrity assessmentExperience with piping tools such as AutoPIPE and Smart3D environmentsKnowledge of pipe support design and integrationFamiliarity with nuclear regulatory requirements (US NRC, CSA, REGDOC)Strong leadership, communication, and collaboration skillsPreferred QualificationsProfessional Engineer (P.Eng. or PE) licenseExperience with BWR, CANDU, or SMR reactor systemsExperience with probabilistic tools such as xLPR or PRAISEExperience using GT STRUDL, PV Elite, or similar toolsAdvanced research background and publication recordExperience contributing to codes, standards, or industry working groupsTeaching, mentoring, or academic collaboration experienceEligibility to work under 10 CFR Part 810A Generation Ahead by DesignInvesting 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 design.#J-18808-Ljbffr

📌 Senior Piping Engineer (Madrid)
🏢 Holtec
📍 Madrid