Senior Cell Design Engineer - Mechanical

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.

Lyten Sweden is seeking a Senior Cell Design Engineer to project lead the mechanical design and development of next-generation Li-ion and Li‑S battery cells. In this role, you will drive projects from concept to validation, own critical design decisions, and collaborate across teams to deliver high-performance solutions for energy storage, electric vehicles, and advanced applications.

Key Responsibilities

Overall areas of responsibilities and activities

• Lead mechanical design and development Li-ion and LIS battery and related components for Energy Storage Systems (ESS), Electric Vehicles (EV), and other advanced applications
• Take ownership of mechanical part design, evaluation, validation, and optimization using advanced CAD tools (NX, CATIA, or equivalent)
• Act as the primary technical interface with customers, leading technical discussions and clarifying design requirements
• Proactively collaborate with cross-functional teams (Supply Chain, Process Engineering, R&D Labs, Manufacturing, Quality, etc.) to ensure seamless project execution
• Identify technical risks related to cell/battery development and production and drive mitigation strategies
• Review and approve mechanical drawings, 3D models, tolerance stack-ups, and technical documentation
• Support prototype development, design verification, and validation activities
• Contribute to continuous improvement of design standards, processes, and engineering best practices

Requirements Educational background and previous experience required for the role Qualifications And Experience

• BSc, MSc, or PhD in Mechanical Engineering or a related field (or equivalent practical experience)
• 8+ years of mechanical design experience, preferably in power electronics, high-performance lithium-ion batteries, or related industries
• Strong experience in lithium-ion battery cell development and secondary battery technologies is highly preferred
• Proven hands-on experience in mechanical component design, evaluation, and validation
• Extensive experience with advanced CAD tools such as NX, CATIA, or equivalent 3D modeling software
• Experience with electrode and cell design, electrode preparation processes, cell fabrication, and electrochemical performance evaluation is strongly preferred
• Strong understanding of risk management in cell/battery development and production environments
• Demonstrated experience leading technical discussions directly with customers
• Excellent English written and verbal communication skills

Specific skills

• Advanced proficiency in CAD tools (NX, CATIA, or similar) for mechanical part design and evaluation
• Strong technical documentation and drawing review capability
• Ability to work under pressure and manage tight project deadlines
• Excellent organizational skills with the ability to manage multiple projects simultaneously
• Proactive cross-functional collaboration skills
• Ability to work effectively both independently and in team environments
• Strong analytical and problem-solving skills

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.