Civilingenjör, kemi

The Senior Engineer of Material Development will lead the evaluation, analysis, and optimization of Li battery cells and related materials. This role involves providing technical leadership, guiding junior engineers, and ensuring the successful execution of evaluation activities that support both R&D and commercial cell development. The position requires a deep understanding of material behaviour, electrochemical performance, and cell integration to drive continuous improvement in product performance and reliability. Key Responsibilities Overall areas of responsibilities and activities Key responsibilities include (but are not limited to) Lead and oversee material and cell-level evaluation activities, including electrochemical performance testing, material characterization, and failure analysis. Develop and refine evaluation methodologies, standard test protocols, and data analysis frameworks to ensure consistency and technical rigor. Interpret complex analytical and electrochemical data to identify key performance drivers and recommend technical improvements. Provide technical guidance and mentorship to junior engineers and assist in the prioritization and execution of project tasks. Collaborate closely with cross-functional teams—cell design, process engineering, and quality assurance—to align evaluation results with design and manufacturing objectives. Manage multiple evaluation tasks or projects, ensuring timely delivery of high-quality results and documentation. Contribute to long-term strategy and roadmap development by identifying material or process-related risks and opportunities for improvement. Communicate findings effectively to management and R&D stakeholders through reports, reviews, and technical presentations. Stay updated on advancements in Li battery technology, materials science, and analytical techniques, and apply relevant insights to ongoing projects. Requirements Educational background and previous experience required for the role Qualifications and Experience BSc or higher degrees in Chemical/Material/Electrical Engineering, and Chemistry. Extensive experience in Li battery evaluation, materials analysis, or related R&D areas. Preferably 5+ years industrial experience. Proven expertise in electrochemical analysis, material characterization, and data-driven problem solving. Strong leadership, mentoring, and communication skills with the ability to coordinate multi-functional teams. Capable of translating analytical findings into actionable engineering insights and project recommendations. High level of self-direction, accountability, and technical judgment in complex problem-solving scenarios. Specific skills Advanced analytical capability in using EIS, GITT, GCPL, and high-precision cycling methods. Experience with material analysis tools (SEM/EDS, XPS, ICP, TGA/DSC). Ability to design experiments and establish evaluation protocols. Strong statistical and data interpretation skills for performance trend analysis. Skilled in using data visualization and statistical analysis software. Personal success factors Strong ownership of tasks and ability to work independently. Proactive approach to identifying and solving technical issues. Clear and persuasive communication across functions. Commitment to mentoring and sharing technical knowledge. Balanced focus on both immediate problem-solving and process improvement.

Lyten Sweden is seeking a professional Senior Battery Simulation Engineer o join our R&D organisation in Västerås. The Senior Battery Simulation & Modelling Engineer will develop and validate advanced simulation models for battery cells, including performance, degradation, thermal, swelling, and mechanical behaviour. The role supports current NMC products, future battery chemistries, and customer-facing simulation solutions. Key Responsibilities Key responsibilities include (but are not limited to) Battery Model Development Develop and maintain simulation models for battery cells, supporting current chemistry products and next-generation chemistries. Performance Modeling Develop and validate performance models, including ECM-based approaches, to predict battery behavior and support BMS applications. Lifetime & Degradation Modeling Develop and calibrate lifetime prediction models to accurately estimate battery aging, performance degradation, and end-of-life behavior. Thermal Modeling Develop 3D thermal simulation models to predict temperature distribution and support thermal management optimization. Swelling & Mechanical Modeling Develop swelling and mechanical models to predict cell expansion, deformation, and structural behavior throughout battery life. Safety & Venting Simulation Develop simulation models for vent deformation and pressure-related mechanical behavior to support battery safety assessments. Validation & Model Correlation Parameterize, validate, and continuously improve simulation models using experimental and product validation data. Customer Model Delivery Deliver validated simulation models to customers and provide technical support for performance, lifetime, thermal, and mechanical analyses. Cross-Functional Collaboration Work closely with cell design, materials, testing, and customer teams to support battery development and commercialization programs. Requirements Educational background and previous experience required for the role. Qualifications and Experience Bachelor or higher in Electrochemistry/chemistry/material/mechanical or a related discipline 8+ years of experience in lithium-ion battery development and modeling. Strong industrial experience supporting automotive, ESS, or other advanced battery programs. Proven experience developing simulation models for rechargeable battery systems. Experience working directly with OEM customers and customer-facing engineering projects. Experience with prismatic cell development is highly preferred. Specific skills Strong expertise in electrochemical, thermal, degradation, swelling, and mechanical battery modelling. Proficiency in MATLAB/Simulink, Python, COMSOL Multiphysics, LS-DYNA, and ANSYS simulation tools. Experience in model parameterization, validation, optimization, and correlation with experimental data. Knowledge of multi-physics simulation and battery safety analysis is highly desirable. Personal success factors Strong technical leadership, problem-solving, and analytical skills. Ability to work independently and drive complex projects in a dynamic environment. Excellent communication and collaboration skills across teams and customers. Results-driven mindset with a focus on engineering quality and delivery Preferred Experience Experience with prismatic lithium-ion batteries and advanced chemistries (NMC, NMX, Li-S). Knowledge of battery safety, thermal, mechanical, and venting behavior. Experience in multi-physics simulation, digital twin, or cell-to-pack modeling. Experience delivering simulation models for customer applications or BMS development.

Arbetsbeskrivning: Som materialingenjör ansvarar du för att stödja verksamhetens olika områden genom laboratorieundersökningar. Arbetsdagarna är varierande och innefattar allt från forskning kring nya material och problemlösning till förbättringsarbete och laboratorieutredningar inom den pågående produktionen. Utöver att vara en stödfunktion inom de interna verksamheterna arbetar du även nära externa kunder, där du fungerar som support för att uppfylla deras behov och krav. Du kommer att bli en del av ett sammansvetsat team med drivna kollegor som ständigt strävar efter att kunna leverera högre kvalitet och bättre resultat genom löpande förbättringsarbete och ett nära kundfokus. Exempel på arbetsuppgifter: Genomföra förberedelser och utvärderingar av vätskor samt andra typer av material såsom pulver, plast- eller metalliska material för standardtester och forskningstester. Skriva tekniska rapporter och dokumentera resultat utifrån tester som genomförs. Stödja processoperatörer inom ytbehandling, provceller eller maskinverkstäder. Driva utvecklingsarbete av testmetoder och tekniska studier. Uppdraget kräver att du genomgår en säkerhetsintervju och godkänns enligt gällande bestämmelser. Uppdraget medför även krav på visst medborgarskap. Vem är du? Vi söker dig som har en civilingenjörsutbildning inom kemiteknik och har erfarenhet av laboratoriearbete. Du har även yrkeserfarenhet av att arbeta med standardutrustning såsom EDX, SEM, XRF, FT-IR och/eller ICP samt titreringsutrustning och manuella titreringar. För att lyckas och trivas i rollen som materialingenjör tror vi att du har en god analytisk förmåga och ett högt säkerhetstänk - både för dig själv, miljön och andra. Du är flexibel och kan snabbt ta dig an nya uppgifter med korta deadlines. Du behärskar svenska och engelska flytande, både i tal och skrift. Vi erbjuder dig:  Hos oss på AQ Engineering blir du en del av en växande organisation som utvecklar framtidens produkter inom bland annat försvars- och flygindustrin, automotive, energilagring och e-mobility. Vi tror på enkelhet och entreprenörskap, att lösa komplexa utmaningar på ett smart och okomplicerat sätt. Här uppmuntras du att ta egna initiativ, testa idéer i vår prototypverkstad och driva ditt eget arbete framåt. Som en del av AQ Group samarbetar du med över 9 000 kollegor runt om i världen och får tillgång till AQ Groups över 50 fabriker.     Kompetensutveckling är något AQ håller varmt om hjärtat och investerar därför i skräddarsydda kompetensutvecklingsplaner till dig som anställd. Detta ger dig möjlighet att växa inom ditt område, bredda din kompetensbas och gör dig redo för framtida utmaningar.   Vi värnar om din hälsa och trivsel genom att erbjuda ett generöst friskvårdsbidrag, gemensamma aktiviteter för att stärka teamkänslan samt trygga anställningsvillkor enligt gällande kollektivavtal.     Din ansökan Varmt välkommen med din ansökan redan idag då urval och intervjuer sker löpande.   Kontaktuppgifter Carl Christensen Carl.christensen@aqgroup.com