**Senior Powertrain Engineer \- Heavy Duty / Off\-Road Vehicles** ================================================================= Do you want to be part of a strategic project in the defense sector, working on the development of advanced technological solutions? We are looking for **engineers with experience in design, integration, and simulation of complex systems**, eager to take on challenges in highly demanding and confidential environments.In this role, you will contribute to **conceptual and detailed design**, requirements definition, subsystem integration, and functional validation, playing a key role in creating innovative platforms for critical applications. **YOUR RESPONSIBILITIES:** * **Design and development of mechanical and electrical systems**, including: + Engine and transmission (gearbox). + Thermal management and cabin climate control (optimizing engine cooling and cabin comfort). + Electric machines and propulsion systems. + Vehicle dynamics and steering (control architecture and steering systems). * **System modeling and simulation** to validate performance and optimize functionality. * **System integration**: analyzing the impact of changes on the overall architecture. * **Technical supplier management**: evaluating international components and adapting them to national suppliers. * Collaboration on **hybridization systems and electronic architecture** projects. **YOUR PROFILE:** * Bachelor's degree in Mechanical, Electrical, Electronic, or Automotive Engineering. * Minimum of 5\-10 years of experience in powertrain system development or similar automotive technologies, with focus on electrified powertrains. * Deep knowledge of hybrid powertrain architectures, including electric motor and battery integration. * Experience in managing engineering projects and multidisciplinary teams. * Technical experience in electronic systems architecture, engine calibration, software, and product design. * Ability to manage economic aspects (CAPEX, OPEX, PRF evolution). * Familiarity with tools such as SIEMENS NX, CATIA, ANSYS MECHANICAL, NASTRAN, FLOTHERM, FLO EFD, ESATAN, CRUISE M, EXCITE M. * Previous experience in defense will be valued. * High level of Spanish and English **Key Skills:** * Strong strategic thinking and leadership capabilities. * Excellent problem\-solving skills and a results\-driven mindset. * Exceptional communication and interpersonal skills. * Ability to work effectively in a multicultural and dynamic environment. **Additional Information:** * Frequent national and international travel may be required. * Candidates should be open to professional mobility and collaboration with international teams. **ABOUT AVL IBERICA** AVL Iberica is responsible for the Spanish, Mexican and Portuguese markets. It is formed by an international team that develops cutting\-edge mobility technology in the fields of internal combustion engine, e\-mobility, hydrogen, autonomous and connected driving, software and simulation, applied to all propulsion systems. We are committed to deliver excellence in the development, simulation, testing and integration of propulsion systems, with all the experience of the AVL group in a local, personalized way and with a close technical service. **About AVL** ------------- AVL is one of the world’s leading mobility technology companies for development, simulation and testing in the automotive industry, and beyond. We provide concepts, solutions and methodologies in fields like vehicle development and integration, e\-mobility, automated and connected mobility (ADAS/AD), and software for a greener, safer, better world of mobility. Find out more: www.avl.com **You are interested in a job at AVL but you are not sure how to apply or want to know what happens after you send your application?** -------------------------------------------------------------------------------------------------------------------------------------- **Check out our step\-by\-step guide** **AVL is not just about cars. It's about changing the future. Together.** ------------------------------------------------------------------------- Location: Valladolid, ES Company: AVL Iberica Job Function: Calibration Contract Type: Permanent Posting Date: Dec 4, 2025 Job ID: 38765 **About AVL** ------------- AVL is one of the world’s leading mobility technology companies for development, simulation and testing in the automotive industry, and beyond. We provide concepts, solutions and methodologies in fields like vehicle development and integration, e\-mobility, automated and connected mobility (ADAS/AD), and software for a greener, safer, better world of mobility. Find out more: www.avl.com **Job Segment:** Thermal Engineering, Testing, HVAC, Electrical, Automotive, Engineering, Technology, Operations