CIDETEC Energy Storage will select a person to join its Battery Testing Unit, whose laboratory tests batteries of the future for all types of applications: from automotive to aerospace. **If you want to participate in this revolution, we’re waiting for you!** Our activities cover the entire value chain, from battery chemistry to final application. We design, develop and validate cells, modules and batteries tailored to our customers’ needs, with a clear commitment to transferring technology to industry. **Your contribution** You will join one of the most capable battery testing laboratories in Europe during a phase of significant expansion. You will work with reference clients and global presence within the team. Your work will focus on lithium-ion cell testing: * Commissioning of test equipment, assembly of test items (e.g., jigs, accelerometers), electrical wiring and integration of instrumentation components. * Drafting and strict adherence to test procedures, and proposing improvements to evaluation and testing methods. * Execution of battery tests for each project under strict safety and quality protocols (ISO 17025) using state-of-the-art test equipment. * Programming of test profiles, test automation, data processing and advanced interpretation of results. * Design and optimisation of vibration tooling using FEM. * Definition and sizing of laser-welded joints. Execution of high-performance welds meeting customer requirements. * Conducting and interpreting NDT and DT tests on welded joints. * Preparation of technical reports, documentation and ability to present to clients. * Interaction and discussion with suppliers, as well as collaboration with other organisational areas, including R\+D technical teams, Procurement or Facilities. * In-depth interpretation and analysis of results. * Maintenance of equipment and workspace in optimal condition. **What we offer** * At CIDETEC, you can build your career alongside a top-tier team of professionals, in a young yet committed environment focused on innovation and delivering practical solutions towards a more sustainable world. * Professional development opportunities enabling you to forge a solid career, working on industry- and society-transforming projects. * Collaboration with the highest-level teams at local, national and European levels. * Work-life balance measures. * Continuous training. * Privileged location in a safe and friendly environment. * Variable compensation supplement for all employees. **Education:** Bachelor’s/Master’s degree in a related discipline. **Languages:** Fluency in English and Spanish, both written and spoken. **Knowledge:** The candidate must demonstrate solid knowledge in: * Industrial or mechanical engineering or a related discipline. * Dynamic (e.g., FFT, spectral analysis) and mechanical (CAD, FEM) analysis methodologies. * Materials science. * \+3 years of experience in a relevant environment, e.g., vibration testing, dynamic analysis, FEM simulation, etc. * Experience in test programming, standards, procedures and report preparation. * Proficiency in Microsoft Office Suite and experience with ERP/CRM systems. * Knowledge of project management methodologies (e.g., Agile, Prince 2, Lean Six Sigma). * Fluency in English and Spanish, both written and spoken. * Discipline, strong attention to detail and sense of commitment. * **Experience:** Experience in a laboratory, testing centre, automotive or energy storage systems environment. **Remarks:** A highly **motivated person with interest in research and innovation** will join a **multidisciplinary team**. They must be able to organise work to meet established deadlines and objectives. International experience and over three years of professional experience will be valued. * *We positively consider applications from persons holding a disability certificate of 33% or higher, in compliance with current legislation—the General Law on the Rights of Persons with Disabilities and their Social Inclusion (LGD).*