Senior Battery Simulation Engineer

Lyten, Inc.; Województwo pomorskie; Hybrid; PLN 200,000 - 320,000; Full time

Job summary

Lyten, Inc. in Gdansk, Poland, is seeking a Senior Battery Simulation Engineer to develop and validate battery models that support design, optimization, and performance assessment of energy storage systems.

The role blends battery physics, system engineering, and multi-physics simulation to predict behavior and guide product development across the lifecycle. You will build cell, module, pack, and system-level models, perform electrical, thermal, electrochemical, and degradation simulations, and

Qualifications

• Bachelor’s or Master’s degree in engineering or related field.
• Strong understanding of lithium-ion battery technologies and system behavior.
• Experience with battery modeling and simulation tools (MATLAB/Simulink, Python, COMSOL, ANSYS, GT-SUITE).
• Experience validating simulation models against test data.
• Knowledge of battery degradation, thermal management, safety, and BMS.
• Ability to analyze complex technical problems and provide practical engineering solutions.
• English - Advanced.

Responsibilities

• Develop and maintain battery cell, module, pack, and system-level simulation models.
• Perform electrical, thermal, electrochemical, and degradation simulations to predict battery performance.
• Define, maintain, and validate simulation requirements and methodologies.
• Support system architecture and design decisions through modeling and simulation activities.
• Evaluate design trade-offs related to energy density, power, safety, performance, reliability, cost, and product lifetime.
• Collaborate with System Engineers, BMS Engineers, Mechanical Engineers, Software Engineers, Validation Teams, and external suppliers.
• Correlate simulation models with laboratory and field test data and continuously improve model accuracy.
• Generate technical reports and present simulation findings to project stakeholders and management.
• Contribute to technology roadmaps and continuous improvement initiatives within battery and energy storage development.

Skills

Battery system understanding

Problem solving

Cross-functional collaboration

Analytical thinking

English communication

Education

Bachelor’s or Master’s degree in engineering or related field

Tools

MATLAB/Simulink

Python

COMSOL

ANSYS

GT-SUITE

Job description

## Senior Battery Simulation EngineerApply: Gdansk, Poland: Full time: Posted Today: JR100895Lyten is leading an industrial revolution through Lyten 3D GrapheneTM, a breakthrough supermaterial unlocking a new generation of products — from lithium–sulfur batteries and energy storage systems to concrete admixtures, lightweight composites, and next-generation sensors that are revolutionizing industries. Together, these innovations are making a massive global improvement and driving real-world impact across energy, mobility, construction, and defense.At Lyten, we believe the most meaningful careers begin with purpose — and with people who want to make a difference. We’re not just developing advanced supermaterials — we’re about to change the world as we know it, reshaping how energy is stored, how products are built, and how progress is made.We’re entering an exciting growth phase, scaling production across the U.S. and Europe and expanding our team of engineers, scientists, and innovators.Apply now to join our team and be part of something bigger than yourself — where collaboration, creativity, and purpose come together to build the technologies that will define the next century.**The Senior Battery Simulation Engineer** is responsible for developing, validating, and applying battery models to support the design, optimization, and performance assessment of battery energy storage systems. The role combines battery physics, system-level engineering, and simulation expertise to predict battery behavior, evaluate design alternatives, and support product development throughout the entire lifecycle. **Key Responsibilities*** Develop and maintain battery cell, module, pack, and system-level simulation models.* Perform electrical, thermal, electrochemical, and degradation simulations to predict battery performance, safety, efficiency, and lifetime.* Define, maintain, and validate simulation requirements and methodologies.* Support system architecture and design decisions through modeling and simulation activities.* Evaluate design trade-offs related to energy density, power capability, safety, performance, reliability, cost, and product lifetime.* Collaborate with System Engineers, BMS Engineers, Mechanical Engineers, Software Engineers, Validation Teams, and external suppliers.* Correlate simulation models with laboratory and field test data and continuously improve model accuracy.* Support verification and validation activities throughout the product development lifecycle.* Conduct performance analysis under various operating conditions, including normal operation, extreme environments, and fault scenarios.* Support root cause investigations and troubleshooting of battery and energy storage system issues.* Generate technical reports and present simulation findings to project stakeholders and management.* Contribute to technology roadmaps and continuous improvement initiatives within battery and energy storage development. **Required Qualifications*** Bachelor’s or Master’s degree in electrical engineering, Mechanical Engineering, Energy Engineering, Physics, Electrochemistry, or a related field.* Strong understanding of lithium-ion battery technologies and battery system behavior.* Experience with battery modeling and simulation tools such as MATLAB/Simulink, Python, COMSOL, ANSYS, GT-SUITE, or equivalent.* Experience validating simulation models against test data.* Knowledge of battery degradation, thermal management, battery safety, and Battery Management Systems (BMS).* Ability to analyze complex technical problems and provide practical engineering solutions.* English- Advanced **Preferred Experience*** Battery Energy Storage Systems (BESS).* Renewable energy integration.* Electric vehicles or heavy-duty transportation.* Grid-scale energy storage applications.* Functional safety and system engineering processes.* Requirements management and product validation. **Key Success Factors*** Strong analytical and problem-solving skills.* Ability to make data-driven engineering recommendations.* Effective communication with multidisciplinary engineering teams.* Capability to balance technical performance, risk, cost, and project timelines.* Systems-thinking mindset combined with deep battery expertise. **Why Work at Lyten**At Lyten, you’ll be part of a team that’s redefining what’s possible in energy, materials, and manufacturing. We’re not just imagining the future — we’re building it today with breakthrough technologies that are changing how products are made and how industries innovate.Our people are the heart of that mission. From world-class scientists and engineers to creative problem-solvers in operations, manufacturing, and commercialization, every member of the Lyten team plays a role in turning bold ideas into real-world impact. We believe that the best work happens when you’re doing great things in the world — with people you like. Collaboration, curiosity, and a shared sense of purpose drive everything we do.What You’ll Find at Lyten* A mission that matters: Contribute directly to solving complex challenges in energy, mobility, and materials innovation.* Cutting-edge innovation: Work on technologies at the intersection of materials science, energy storage, and advanced manufacturing that strengthen energy security and local supply chains.* Extraordinary people: Join a team of talented, friendly, and down-to-earth innovators who support, challenge, and inspire one another every day.* Teamwork and culture: Experience a workplace built on trust, respect, and shared success — where collaboration fuels breakthroughs and everyone’s ideas are heard.* Global impact: Help scale new materials and energy solutions that reinforce industrial resilience across the U.S. and Europe.* Career growth: Be part of a fast-moving company entering a commercial growth phase, with opportunities to lead, learn, and make your mark.* Purpose-driven values: Thrive in an environment that celebrates ingenuity, optimism, and meaningful progress — together.Lyten offers the opportunity to do the most important work of your career — helping build the technologies that will power the next century of innovation.Join us, and help transform industries, communities, and the planet with friends who share your drive to make a difference.### The Lyten StoryFounded in 2015 in Silicon Valley, California, Lyten is transforming the future of energy and materials innovation to build a stronger, more resilient world. Our breakthrough innovation, Lyten 3D GrapheneTM, is a brand-new supermaterial that enables the creation of products that perform better and cost less.Lyten is rapidly scaling operations across the U.S. and Europe. Our lithium–sulfur (Li-S) batteries—free from nickel, manganese, cobalt, and graphite—deliver higher energy density and lighter weight while enabling a more secure, independent supply chain and a next-generation alternative to traditional lithium-ion chemistry. The acquisition of Northvolt’s assets in California, Poland, Sweden, and Germany has established a strong foundation for Lyten’s global energy storage growth, including Europe’s largest Battery Energy Storage System (BESS) manufacturing facility.Beyond battery systems, Lyten’s platform technology extends to high-performance concrete admixtures, advanced composites, adhesives, and sensors, redefining material performance across industries from automotive and aerospace to construction and defense.Lyten has raised over $625 million in equity and received support from the U.S. Export-Import Bank to provide up to $650 million in financing for international customer energy storage projects. Recognized as one of Fast Company’s “Most Innovative Energy Companies,” one of TIME’s “Top Green Technology Companies,” and a Silicon Valley Defense Group Top 100 National Security Company, Lyten is leading the next wave of high-performance materials and energy systems that enhance energy security and supply chain resilience. Our lithium–sulfur batteries have been selected to power Chrysler’s Halcyon Concept EV.Behind every Lyten innovation is a world-class team of scientists, engineers, and business leaders from some of the most respected technology, energy, and manufacturing companies — all united by a shared mission to make a lasting global impact.We’re entering an exciting growth phase — expanding production, launching new products, and hiring exceptional talent across engineering, operations, manufacturing, and commercialization.If you’re ready to shape the next era of advanced materials and product innovation — while working alongside some of the brightest minds in science and engineering — join Lyten and help us build the next industrial revolution.