Test & Validation Engineer

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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 brings together advanced materials, data-driven engineering, and real-world validation to accelerate the development of high-performance energy storage technologies.
We are looking for a Battery Cell Test & Validation Engineer who thrives in a fast-moving, hands-on environment and is passionate about understanding how battery cells behave under real conditions. In this role, you will work at the intersection of testing, data analysis, and product development—supporting the evolution of battery cell performance from early development through validation and customer delivery.
Test & Validation Engineer Key Responsibilities
Support the development of battery cells

Practical validation & analysis work with battery

Analyzing test data to improve battery properties and/or managements system.

Supporting the Commissioning of Validation equipment

Design optimal test conditions to meet customer and cell development requirements

Analyse, visualize, interpret, document, discuss and report test data

Testing risk assessments

Review test and validation requirements

Customer interface for cell test data analysis

Requirements
Qualifications and Experience
Bachelor or higher in engineering or science

Previous professional engineering experience

Understanding of complex relationships between cell variables

Experience in test and validation

Experience in data analysis

Experience in supporting root cause analysis (e.g. 8D, A3, Ishikawa)

Specific skills
Excellent English written and oral skills

Data analysis and/or basic python programming

Operation of validation test equipment

Working with standards for characterization of battery cells

Personal success factors
Self-leadership towards harmonizing organization, timeline, and target

Technical leadership and coordination skills

Growth mindset with an eagerness to learn

Ability to work well with others in a team environment, as well as independently

Achieve both customer sample milestone and requirement specification

Strong background from technical work culture and proven engineering excellence

Ability to work in a high profile and often high-pressure international environment

Problem solving skills with appropriate tools

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.

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