Lyten is leading an industrial revolution through Lyten 3D Graphene™, 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. At Lyten Poland, we design and build next-generation battery systems that power the future of clean energy and electrification. Our work sits at the intersection of advanced materials, intelligent design, and real-world impact. We are looking for an Electromechanical Engineer who thrives in a fast-moving environment and wants to help shape battery systems from concept to production. As an Electromechanical Engineer, you will be responsible for the electromechanical development of battery systems, including modules, packs, racks, and the Main Electronic Box. You will work across the full product lifecycle—from early concept development to production—ensuring safe, manufacturable, and high-performance designs. You will collaborate closely with customers and internal teams to understand product use cases and requirements, translating them into robust electromechanical solutions that meet performance, safety, and cost targets. Key responsibilities Actively interact with customers to understand product use cases and requirements throughout the entire project lifecycle Support early product concept development and architecture definition Design and integrate high-voltage and low-voltage harness routing and fastening from concept to production, with strong focus on safety, serviceability, and producibility Develop high-voltage routing and busbar systems, ensuring compliance with creepage and clearance requirements Package and integrate HV and LV electrical components, considering EMC, ventilation, condensation, safety, serviceability, and manufacturing constraints Perform mechanical design of protective enclosures and support systems for electronic components and harnesses (metallic and plastic), accounting for mechanical loads and vibration Design protective enclosures to safeguard against environmental impacts and contamination Apply design-for-manufacturing and cost-optimization principles Support electrical and system engineers in preparing schematics and formboard drawings Support interface selection (connectors, switches, indicators, etc.) to ensure system requirements are fulfilled Create technical drawings for customers and manufacturing Support product and documentation release in Teamcenter Participate in prototyping and validation of designed components Requirements Education & experience Bachelor’s or Master’s degree in Mechanical Engineering or a related field, or equivalent experience 3+ years of mechanical design experience, including exposure to cell integration, structural integration, power electronics, or high-performance lithium-ion batteries Experience with plastic parts and injection molding Experience with various mechanical joining methods Strong hands-on CAD skills Excellent analytical skills, particularly in design for safety, production, and serviceability Experience working in international teams and with customers Excellent written and spoken English Experience from a start-up environment is a strong plus Skills & ways of working Ability to work under high pressure and tight deadlines with strong time management Comfortable working both independently and as part of a team Ability to operate in a high-visibility, fast-paced, international start-up environment Flexible, quality-focused, friendly, and motivated to take on new challenges Resilient, persistent, and equipped with a sense of humor What makes you successful at Lyten Passionate and purpose-driven Customer-focused mindset Strong “can-do” attitude with an entrepreneurial spirit Comfortable owning problems and driving solutions forward 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. Founded 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 Graphene™, 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.

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