Test & Validation Engineer

Test & Validation Engineer

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.

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.

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…