
Lyten Labs AB · Stockholm
Lyten Sweden is seeking a professional Senior Battery Simulation Engineer o join our R&D organisation in Västerås. The Senior Battery Simulation & Modelling Eng...
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.
The Senior Cell Design Engineer will lead the design and development of current and next-generation lithium-ion battery cells, supporting both product innovation and customer programs. The role is responsible for defining cell design strategies, executing development projects, and driving technical solutions from concept to commercialization Key Responsibilities Overall areas of responsibilities and activities Lead the design and development of lithium-ion battery cells for ESS, EV, and other applications. Develop and optimize cell architecture, electrode design, and material selection to achieve performance, energy density, lifetime, and cost targets. Define development strategies and DOE to support cell development and validation activities. Evaluate cell performance, reliability, and manufacturability through testing, analysis, and data-driven development. Support scale-up activities and ensure design compatibility with manufacturing processes. Lead technical development projects and coordinate cross-functional activities across R&D, manufacturing, quality, and program teams. Serve as the primary technical interface for customers and support customer development programs from concept to qualification. Drive battery development roadmaps and deliver project milestones aligned with customer and business requirements Requirements Educational background and previous experience required for the role Qualifications and Experience • PhD or MSc in chemical engineering/Electrochemistry/chemistry/material science and engineering • Minimum 3 years of experience in the automotive industry. • Minimum 8 years of experience in lithium-ion battery cell design and development • Extensive experience on cell design and development of Li-ion cells • Extensive experience in battery prototyping, validation, and scale-up activities • Working knowledge of lithium-ion battery manufacturing and mass production processes • Working experience with OEM project for Li-ion battery cell/module business • Experience leading technical activities for customer-facing development programs • Strong background from technical culture and proven engineering excellence Specific skills Strong knowledge of lithium-ion battery materials, electrode design, and cell architecture. Experience with DOE, statistical analysis, and data-driven development methodologies. Excellent project management and technical problem-solving skills. Strong communication skills in English, both written and verbal. Ability to work effectively under tight timelines and changing priorities. Personal success factors Strong leadership and decision-making skills. Ability to drive technical development activities and deliver project milestones. Excellent collaboration and stakeholder management capabilities. Results-oriented mindset with a focus on quality and execution. Strong analytical and problem-solving skills. Ability to thrive in a fast-paced, international environment
Job Scope High level purpose of function. The Senior Cell Design Engineer will play a key role in the cell development of the Li-S battery. You will be in charge of setting up and executing the long-term Cell development project reporting to director of Li S cell development. Key Responsibilities Overall areas of responsibilities and activities Developing lithium-ion batteries for Energy Storage, Electric Vehicles, and other applications Developing and Improvement basic cell system design for lithium-Sulfur battery Evaluating the basic physical property and the fundamental performance of Electrode Cell system design included support and managing the R&D Labs scale. Process concept and investigate included support and managing the R&D Labs scale. Leading cell development project in Li/S cell design team Setting up the development strategy and DOEs Technical lead for internal development with internal stakeholder. Technical counter-part of customer and execution customer project. Accountability/Authorization Budget responsibility: No Direct reports: No Work environment responsibility: No Requirements Educational background and previous experience required for the role Qualifications and Experience PhD or MSc in chemical engineering/Electrochemistry/chemistry/material science and engineering More than 3 years experiences on the automotive business More than 8 years of practical experience from Li-ion and Li-S battery cell development Extensive experience on cell design and development of Li-ion and Li-S cells Extensive experience on large-scale battery fabrication and validation Experience on Li-ion and Li-S battery manufacturing and mass production Working experience with OEM project for Li-ion and Li-S battery cell/module business Extensive experience on managing the technical team for customer project Strong background from technical culture and proven engineering excellence Specific skills Excellent English written and oral skills. Ability to work under high pressure and tight deadlines, excellent time management. Ability to work well with others in a team environment, as well as independently. Passionate & purpose driven. Personal success factors Ability to work well with others in a team environment, as well as independently Leadership to lead development organization and ability to manage timeline and target Strong managing skill to lead the team members for a technical and relationship matter Achieve both customer sample milestone and requirement specification Ability to work in a high profile and often high-pressure international environment Problem solving skills with appropriate tools
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.