holtec

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...

The Mechanical Engineer II – Nuclear Systems will support the analysis, design, and structural integrity assessment of mechanical components (heat exchangers, condensers, tanks, etc.) and reactor internals for advanced reactors including SMRs. This role combines technical expertise in stress analysis, fracture mechanics, fatigue evaluation, and regulatory...

The Senior Piping Engineer coordinates the development and delivery of complete piping systems for the SMR projects. A Senior Piping Engineer will integrate the piping activities from the development of the P&IDs by System Engineering, through the layout performed by Design Development, the stress analysis & piping support engineering performed by Applied...

Career Opportunities: Deterministic Safety Analysis (DSA) Engineer II (1720) The DSA Engineer II will be responsible for developing methods and performing analyses to demonstrate that the SMR-300 satisfies its safety and licensing requirements. These types of analyses include evaluations of the reactor core, reactor coolant system, engineered safety...

Holtec International is seeking a Senior Piping Engineer in Madrid to lead piping system design from P&IDs to installation, coordinating across system engineering, design development, stress analysis, and procurement. You will guide material selection, vendor interactions, and interface management with construction teams. The ideal candidate has 10+ years in...

The Senior Electrical Engineer – SmartPlant 3D (SP3D) supports the development of the SMR-300, Holtec's next-generation small modular reactor. This role leads cable routing and raceway design for electrical power, I&C, and communication systems, including cable tray and conduit layouts, routing strategy development, and multidisciplinary coordination. The...

The Pipe Stress Engineer is responsible for performing detailed piping stress analysis to ensure the integrity, safety, and compliance of piping systems under various operating and environmental conditions. Primary Responsibilities: Perform piping stress analysis (static and dynamic) using tools such as AutoPIPE or CAESAR II. Develop stress design basis,...

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 International in Madrid seeks a Senior Electrical Engineer to lead cable routing and raceway design for electrical power, I&C and communications systems on the SMR-300 project. Proficiency in SP3D is required to support design through construction. You will coordinate with civil/structural and other disciplines, review routing deliverables, and...

AECOM Madrid seeks a skilled Civil Infrastructure PM/DM to lead the design team in a fast-paced rail consultancy setting. You will oversee multi-disciplinary design and delivery, managing schedules, risks, and client communications across phases. The ideal candidate has experience in rail projects, strong coordination skills, and a track record of delivering...

Holtec International in Madrid, Spain, seeks a Senior Civil Structural Designer to develop 3D models and 2D drawings for SMR-300 structures, coordinating with engineers and fabrication teams to ensure constructability and regulatory compliance. You will work with AutoCAD, Tekla, Revit and other design tools to detail foundations, steel framing, and modular...

The Pipe Stress Engineer is responsible for performing detailed piping stress analysis to ensure the integrity, safety, and compliance of piping systems under various operating and environmental conditions. Primary Responsibilities: Perform piping stress analysis (static and dynamic) using tools such as AutoPIPE or CAESAR II. Develop stress design basis,...

Career Opportunities: Senior Civil Structural Designer *****)The Senior Civil Structural Designer will design metallic, concrete, and modular structures, systems, and components for the SMR-300 plant, supporting engineering and licensing requirements for deployment worldwide. The role requires a willingness to learn and develop practical solutions to...

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...

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...

The Senior Nuclear Radiation Shielding Engineer to support the design, analysis, and licensing of the SMR-300, an integral pressurized water reactor small modular reactor. The selected candidate will join an established and growing radiation protection and analysis team supporting SMR-300 development activities, including radiation source term...

The Pipe Support Engineer plays a critical role in ensuring the structural integrity, constructability, and functionality of piping systems by designing and implementing effective pipe support solutions. Primary Responsibilities: Design pipe support systems including rigid supports, spring supports, snubbers, guides, and anchors. Interpret...

The Pipe Support Engineer plays a critical role in ensuring the structural integrity, constructability, and functionality of piping systems by designing and implementing effective pipe support solutions. Primary Responsibilities: Design pipe support systems including rigid supports, spring supports, snubbers, guides, and anchors. Interpret...

Holtec International in Madrid, Spain seeks a Senior Piping Engineer to lead the analysis, design, and integrity assessment of nuclear piping systems for advanced reactors, including SMRs. You will drive stress analysis, fracture mechanics, LBB/HELB methodologies, and interface with Smart3D for layout issues. Requirements include 15+ years in nuclear piping...

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...