ThePiping Engineerat 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, SpainPrimary Responsibilities:Perform nuclear piping stress analyses using AutoPIPE in accordance with ASME Section III Class 1, 2, and 3 (NC/ND) requirementsAnalyze pipe supports and coordinate closely with pipe support design teams to ensure structural adequacy and proper integrationPrepare, review, and maintain piping engineering deliverables, including stress analysis reports, isometric drawings, and line listsSupport Smart3D piping models and resolve piping layout, flexibility, and stress interface issuesCollaborate with structural, mechanical, and systems engineering teams to resolve design and analysis challengesProvide technical support during fabrication and construction,



addressing piping‑related inquiries and field issuesReview supplier and vendor documentation for compliance with design requirements and applicable codes and standardsEnsure engineering work meets quality, completeness, and regulatory expectations in accordance with internal procedures and governing codesRequirements:Bachelor’s degree in Mechanical Engineering or a related field, advanced engineering degree preferred5 years of experience in piping analysis within nuclear or other regulated industriesDirect experience performing ASME Section III Class 1, 2, and 3 piping analysisExperience with additional piping codes such as ASME B31.1 or similarProficiency with AutoPIPEExperience working in SmartPlant or Smart3D environmentsStrong communication and collaboration skillsAbility to work effectively in a cross-functional team environmentEligibility to work under 10 CFR Part 810Familiarity with U.S. NRC regulations related to nuclear design and construction preferredWorking knowledge of pipe support design and integration with stress analysisExperience with additional tools such as GT STRUDL, PV Elite, or ANSYSA 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.#J-18808-Ljbffr

📌 Piping Engineer - Nuclear Systems (Madrid)
🏢 Holtec
📍 Madrid