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 develop technologies that redefine how the world stores and uses energy. Our battery systems combine advanced engineering, safety, and an uncompromising focus on quality - that mission depends just as much on strong financial foundations as on breakthrough engineering. We’re looking for a General Ledger Accountant who brings accuracy, ownership, and curiosity to the numbers behind the innovation. As a General Ledger Accountant, you will be responsible for core accounting activities that ensure the integrity of the general ledger and the accuracy of financial reporting. You’ll play a critical role in supporting the monthly close process and maintaining compliance with accounting standards in a fast-growing, high-impact environment. This is a hands-on individual contributor role, working closely with the Accounting Manager and cross-functional partners to keep our financial operations running smoothly. Key responsibilities Journal Entries: Prepare, review, and post journal entries with proper documentation and accurate account coding Reconciliations: Perform monthly balance sheet reconciliations for assigned accounts, including bank accounts, prepaid expenses, and fixed assets Fixed Assets: Maintain the fixed asset sub-ledger, record additions and disposals, and calculate monthly depreciation Month-End Close: Support the Accounting Manager in executing timely and accurate month-end close procedures Audit Support: Prepare schedules and supporting documentation for internal and external audits Requirements: Min. Bachelor’s degree in Accounting Minimum 2 years of General Ledger accounting experience, preferably in a production or manufacturing environment Foundational knowledge of US GAAP and/or IFRS Languages required: Polish - C1, English - B2+ Qualifications & experience Progress toward CPA or similar professional certification is highly desirable Experience working with a major ERP system Experience preparing multi-state or international tax schedules is a plus Skills Strong technical accounting and financial reporting skills Intermediate to advanced Excel proficiency (e.g. Pivot Tables, VLOOKUP, SUMIFS) Ability to interpret and apply technical accounting guidance accurately and thoughtfully What makes you successful at Lyten Detail-oriented, structured, and quality-driven Comfortable in a fast-paced, evolving start-up environment Proactive, accountable, and eager to take ownership Purpose-driven and motivated by building something that matters Salary for this position starts at 10 000 PLN gross 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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