holtec

Holtec in Madrid seeks a Senior Piping Engineer to lead analysis, design, and integrity assessments for nuclear piping systems in advanced reactors. You will apply expertise in stress analysis, fracture mechanics, and regulatory compliance while guiding multidisciplinary teams. The role emphasizes leadership, collaboration, and timely delivery of technical...

Holtec International, through its SMR LLC subsidiary, seeks a Piping Engineer in Madrid, Spain, to analyze and design nuclear piping systems for the SMR-300. You will perform stress analyses (ASME III NC/ND), coordinate with supports, and produce deliverables including reports and drawings.The role requires 5 years in piping analysis in regulated industries,...

Holtec in Madrid, Spain, seeks a Senior Pipe Stress Engineer to lead nuclear piping design and stress analysis for ASME Class 1-3 systems. The role involves coordinating from P&IDs through layout, stress analysis, and support engineering, with emphasis on safety and regulatory compliance. Responsibilities include developing LBB/HELB methods, performing...

Holtec in Madrid, Spain, seeks a Senior Electrical Engineer to lead cable routing and raceway design for the SMR-300 project using SP3D. You will coordinate electrical power, I&C, and communications systems, ensure designs meet codes and constructability, and support project execution from design through construction. This role requires a ABET-accredited...

Holtec International in Madrid, on-site, seeks a Pipe Stress Engineer with 5+ years in piping stress analysis to ensure integrity under thermal and seismic loads. You will perform static and dynamic analyses using AutoPIPE or CAESAR II, develop stress design basis, and review calculations.Join a multidisciplinary team coordinating with layout, materials, and...

Holtec is seeking a Mechanical Engineer II – Nuclear Systems in Madrid, Spain, to analyze and design mechanical components and reactor internals for advanced reactors including SMRs. The role focuses on stress analysis, fracture mechanics, fatigue life, and regulatory compliance within multidisciplinary projects.The candidate will use ANSYS, LS-DYNA, and...

Holtec in Madrid is seeking a Pipe Stress Engineer to perform detailed piping stress analyses, ensuring integrity and compliance of piping systems under diverse conditions.You will use AutoPIPE or CAESAR II, develop stress design bases, evaluate thermal and seismic effects, and coordinate with layout, materials, and structural teams to optimize pipe routing...

Holtec International in Madrid, Spain, is seeking a Senior Pipe Stress Engineer to lead nuclear piping design and stress analysis for ASME Section III systems, coordinating with design, materials, welding, procurement, and construction.The role requires 15+ years in nuclear piping, experience with AutoPIPE, Smart3D, PV Elite, and GT STRUDL, plus familiarity...

Holtec in Madrid is seeking a Pipe Stress Engineer to perform detailed piping stress analyses, ensuring integrity and compliance of piping systems under diverse conditions.You will use AutoPIPE or CAESAR II, develop stress design bases, evaluate thermal and seismic effects, and coordinate with layout, materials, and structural teams to optimize pipe routing...

Holtec is seeking a Senior Nuclear Radiation Shielding Engineer in Madrid, Spain, to lead shielding design, source term development, and dose assessment for SMR-300 licensing. The role requires hands-on analysis, model benchmarking, and collaboration with internal teams and the NRC, with mentorship for junior engineers. The ideal candidate has extensive...

Holtec International in Madrid is seeking a Piping Engineer to support analysis and design of nuclear piping systems for the SMR-300.You will perform ASME Section III Class 1-3 piping analyses using AutoPIPE, review pipe supports, and collaborate with structural and systems teams to meet safety and quality requirements.This role requires 5 years of piping...

Holtec is seeking a Senior Nuclear Radiation Shielding Engineer in Madrid, Spain, to lead shielding design, source term development, and dose assessment for SMR-300 licensing. The role requires hands-on analysis, model benchmarking, and collaboration with internal teams and the NRC, with mentorship for junior engineers. The ideal candidate has extensive...

Holtec invites applications for a Senior Civil Structural Designer to develop 3D models and 2D drawings for civil, structural, and architectural SSCs in the SMR-300 program. The role emphasizes modular steel-concrete systems, coordination with engineers, and ensuring constructability across fabrication and site activities. Applicants should have a Diploma...

Holtec International is seeking a Probabilistic Safety Analysis (PSA) Engineer I in Madrid to develop and apply PSA methodologies for the SMR-300 program. You will collaborate with design, safety analysis, licensing, and systems engineering teams to support risk-informed design and regulatory compliance.You will develop Level 1/2 PRA models, perform...

Holtec invites applications for a Senior Civil Structural Designer to develop 3 D models and 2 D drawings for civil, structural, and architectural SSCs in the SMR-300 program. The role emphasizes modular steel-concrete systems, coordination with engineers, and ensuring constructability across fabrication and site activities. Applicants should have a Diploma...

Holtec in Madrid is seeking a Pipe Stress Engineer to perform detailed piping stress analyses, ensuring integrity and compliance of piping systems under diverse conditions. You will use AutoPIPE or CAESAR II, develop stress design bases, evaluate thermal and seismic effects, and coordinate with layout, materials, and structural teams to optimize pipe...

Holtec in Madrid, Spain, seeks a Senior Pipe Stress Engineer to lead nuclear piping design and stress analysis for ASME Class 1-3 systems.The role involves coordinating from P&IDs through layout, stress analysis, and support engineering, with emphasis on safety and regulatory compliance.Responsibilities include developing LBB/HELB methods, performing...

Holtec International is seeking a Probabilistic Safety Analysis (PSA) Engineer I in Madrid to develop and apply PSA methodologies for the SMR-300 program. You will collaborate with design, safety analysis, licensing, and systems engineering teams to support risk-informed design and regulatory compliance. You will develop Level 1/2 PRA models, perform...

Holtec in Madrid, Spain, seeks a Senior Electrical Engineer to lead cable routing and raceway design for the SMR-300 project using SP3 D. You will coordinate electrical power, I&C, and communications systems, ensure designs meet codes and constructability, and support project execution from design through construction.This role requires a ABET-accredited...

Holtec in Madrid seeks a Senior Piping Engineer to lead analysis, design, and integrity assessments for nuclear piping systems in advanced reactors. You will apply expertise in stress analysis, fracture mechanics, and regulatory compliance while guiding multidisciplinary teams. The role emphasizes leadership, collaboration, and timely delivery of technical...