Senior Battery Simulation Engineer

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.