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.

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📌 Senior Piping Engineer (Madrid)
🏢 Holtec International
📍 Madrid