BESS Commissioning Service Engineer

lyten; Poland; On-site; PLN 140,000 - 190,000; Full time

Job summary

Lyten Poland is seeking a skilled BESS Commissioning Service Engineer to support commissioning, service, and rework for Lyten products. This role requires extensive travel and hands-on technical work at customer sites worldwide, with operations centered at the Gdańsk workshop when not traveling.

The ideal candidate has customer technical support experience, strong English, and knowledge of battery systems, with SEP E permissions and a valid driver’s license.

Qualifications

• Experience in customer technical support.
• Experience with high-voltage power electronics.
• Strong communication and customer service mindset.
• Valid electrical permissions (SEP E).
• Willingness to travel 50–70% and operate in a fast-paced international environment.

Responsibilities

• Perform service, commissioning, and rework of Lyten products at customer sites and in the Gdańsk workshop.
• Prepare and maintain detailed records of site observations, testing procedures, and checklists.
• Conduct risk assessments and prepare service reports for all activities.
• Interact with customers to resolve problems and ensure proper follow-up.
• Train customers on operation and maintenance of Lyten products.

Skills

Customer support

High-voltage power

English (B2)

Communication

Problem solving

SEP E

Driver's license

Battery systems

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 ever