Sr Cell Design 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.

About the role

We are seeking a Product Design Engineer with deep experience in pouch cell design, productization, and manufacturing scale-up to lead the mechanical design and integration of next-generation pouch battery systems. This role will own cell architecture, engineering drawings, and BOM strategy from concept through pilot and production. The ideal candidate will bring strong technical leadership, cross-functional influence, and hands-on battery design expertise to deliver robust, scalable, and high-performance products.

Responsibilities

• Lead design and release of pouch cell assembly drawings, specifications, CAD models, and BOMs
• Own electrode layout, stack architecture, and mechanical containment design
• Drive design-for-manufacturability and scale-up readiness
• Lead DFMEA/PFMEA, tolerance stack-up, and engineering change management
• Resolve complex assembly and integration challenges (tabs, sealing, electrolyte distribution, swelling)
• Translate manufacturability into robust design rules
• Lead DOE planning and statistical analysis to optimize performance
• Establish in-process quality control and inspection criteria
• Drive root-cause analysis and corrective actions
• Collaborate cross-functionally with manufacturing, quality, and supply chain
• Support supplier technical reviews and cost reduction initiatives
• Mentor junior engineers and provide technical leadership

Requirements

• MSc in Mechanical Engineering, Chemical Engineering, Materials Science, or related field
• 3+ years hands-on experience in cell design working in the high-volume battery manufacturing industry
• Proficient in CAD design (SolidWorks preferred)
• Experience with PLM/PDM systems
• Proficient in data analysis tools (Python, R, MATLAB, Excel)
• Understanding of battery quality control methods (Hi-Pot, dimensional analysis, CT scans, weld testing, leak testing, etc.)
• Knowledge of statistical process control (SPC)
• Strong understanding of pouch cell architecture, cell electrochemistry, and battery performance trade-offs
• Experience working with cross-functional NPI or pilot builds in a fast-paced environment

Physical Requirements

• Must be able to lift 50 lbs.
• Be able to work in a lab standing up to 8 hours each day.

Pay

The expected base salary range for this position is between $128,200.00 - $192,400.00. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise.

Benefits

• Tier-based bonus and equity
• Healthcare, dental, and vision coverage
• Corporate discounts
• Paid holidays, PTO, and sick time
• 401K
• Employee relocation plan (if applicable)

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.

• 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.