BESS Commissioning Service Engineer

Lyten Poland Sp. z o. o; Województwo pomorskie; On-site; PLN 90,000 - 150,000; Full time

Job summary

Lyten Poland Sp. z o. o is seeking a skilled BESS Commissioning Service Engineer to support commissioning, service and rework for our advanced products. The role requires extensive travel to customer sites worldwide and hands‑on work at the Lyten Gdańsk workshop when not traveling.

The ideal candidate has experience in customer technical support, high‑voltage power electronics, and strong problem‑solving abilities, with a valid SEP E and a driving licence. English at least B2 is required.

Qualifications

• Experience in customer technical support and service delivery.
• Hands-on knowledge of high‑voltage power electronics systems.
• Strong communication and customer orientation are essential.
• Valid electrical permissions (SEP E) and a clean driving licence.
• Understanding of control systems hardware/software and battery tech.

Responsibilities

• Perform service, commissioning, and rework of Lyten products at customer sites and in Gdańsk.
• Prepare records of site observations, tests, and checklists.
• Conduct risk assessments and produce service reports for activities.
• Update customer service logs and related documentation.
• Troubleshoot issues, identify root causes, and propose fixes.
• Interact with customers to resolve technical problems and follow up.

Skills

Customer technical support

High‑voltage power electronics

English (B2)

Driver's license

Electrical knowledge

Problem solving

Customer service mindset

Safety/compliance

Tools

Control systems software

Control systems hardware

Battery systems software

Documentation & drawings

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.

Lyten Poland is seeking a skilled and customer‑focused a BESS Commissioning Service Engineer to support commissioning, service, and rework activities for our advanced products. This role is highly mobile, hands‑on, and essential to ensuring reliable performance of Lyten systems at customer sites worldwide. As a BESS Commissioning Service Engineer you will travel extensively to perform corrective and preventive maintenance, and when not traveling, you will support repairs, reworks, and remote diagnostics from our Service Workshop in Gdańsk factory. This position requires strong technical expertise, professionalism, and the ability to deliver exceptional customer support.

Key Responsibilities

• Perform service, commissioning, and rework of Lyten products at customer sites and at the Lyten facility in Gdańsk.
• Prepare and maintain detailed records of site observations, testing procedures, and checklists.
• Conduct risk assessments and prepare service reports for all service and rework activities.
• Update and organize customer service logs and documentation.
• Troubleshoot issues, identify root causes, and propose effective corrective actions.
• Interact directly with customers to resolve technical problems and ensure proper follow‑up.
• Analyse and review findings to determine the best solution.
• Maintain and promote a strong Health & Safety culture.
• Train customers on the operation and maintenance of Lyten products.
• Perform additional tasks assigned by the manager as business needs evolve.

Specific Skills

• Experience in customer technical support.
• Experience working with high‑voltage power electronics products.
• Excellent communication, self‑presentation skills, and a strong customer service mindset.
• Confidence, patience, politeness, tact, and diplomacy in challenging situations.
• Strong problem‑solving abilities and attention to detail.
• Valid electrical permissions (SEP E).
• Valid driver’s license.
• Electrical and/or mechanical knowledge (documentation, drawings).
• Knowledge of control systems software and hardware.
• Strong understanding of battery systems (software and hardware).
• Willingness to travel up to 50–70%.
• Good command of English (B2).

Personal Success Factors

• Highly organized and result‑driven.
• A can‑do attitude and entrepreneurial spirit.
• Passionate and purpose‑driven.
• Ability to work under pressure and tight deadlines; excellent time management.
• Strong team player with the ability to work independently when needed.
• Comfortable operating in a high‑profile, fast‑paced international environment.
• Flexibility, strong sense of quality, friendliness, motivation to take on new challenges, grit, and a sense of humor.

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.