Customer Support Engineer

Lyten Poland Sp. z o. o; Województwo pomorskie; On-site; PLN 110,000 - 170,000; Full time

Job summary

Lyten is seeking a Customer Support Engineer to provide daily technical assistance for Battery Systems, acting as the bridge between product development, sales, and service operations.

You will troubleshoot HW, SW, and applications, onboard new customers, support FAT/SAT trainings, and help translate field learnings into product improvements while traveling internationally and maintaining strong customer relationships.

Qualifications

• Bachelor's degree in engineering or 2+ years relevant work experience in renewable energy field.
• Experience delivering technical support to customers/users.
• Experience working with high voltage power electronics products.
• Knowledge of control systems software and hardware.

Responsibilities

• First line of technical support to customers for HW, SW and application troubleshooting.
• Onboard new customers and transfer knowledge.
• Support FAT/SAT, on-site trainings and commissioning.
• Maintain customer relationships and analyze field data for product improvements.
• Escalate issues and coordinate with Quality and Product teams.

Skills

Technical support

HV power electronics

English proficiency

Communication skills

Problem solving

Customer service mindset

Education

Bachelor's degree in engineering

Job description

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.

The customer support engineer provides customer support daily and is responsible for supporting current and new customers with detailed technical knowledge about our Battery Systems. In this role you will be the focal point to build detailed understanding of the product and maintain key customer aftermarket relationships. This role acts as the primary hands-on support link between product development, sales and the Global Service Operations team. The role requires but is not limited to a close interaction with the Quality, Service & Aftermarket functions, Sustain function, Engineering functions and Business Area functions.

Key responsibilities

• First line of technical support to customers for both HW, SW and application troubleshooting
• Application support to customers based on use case, load profiles and grid set ups.
• Optimize customer usage of our Battery Systems
• On boarding new customers and support knowledge transfer.
• Support FAT/SAT, on-site trainings and commissioning
• Support key customers in successful VMS system deployments, with regular customer contact where required
• Maintain a knowledge base of use cases, best practices, and troubleshooting methods
• Review field data to understand product performance for customers and proactively raise and investigate issues for further Quality and Product team action
• Support in maintaining the overall performance of the customer help desk boards for their product in conjunction with the Service Operations Manager
• Escalate and ensure support coverage with the Global Operations responsible where needed for their product
• Develop and maintain customer relationships with key customers and support them to access the broader Service Operations team
• Ensure field learnings are shared with Quality and Product teams and key issues are escalated for immediate resolution
• Support the broader Service Operations team to build knowledge on the product and develop customer relationships
• Focal point for product support within the Customer Support team
• Support to understand their customer service needs and assist in planning with the Service Operations responsible
• Responsible for Aftermarket sales orders for spare parts, service kits and trainings to satisfy customer needs
• Perform other tasks assigned by manager

Requirements

• Bachelor’s degree in engineering or 2+ years relevant work experience within the renewable energy field
• Experience working with technical support to customers and users
• Experience working with high voltage power electronics products
• Knowledge about control systems software and hardware
• Excellent communication and self-presentation skills and customer service mindset
• English written and oral skills
• Confidence, patience, politeness, tact and diplomacy, when dealing with difficult situations
• High problem-solving skills
• Attention to details
• Highly organized and proactive attitude
• Creative thinking to come up with new ideas to improve customer service standards and your skills
• A commitment to improve your customer service skills on an ongoing basis
• Willingness to travel internationally
• Valid driver’s license

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.