Product Design Engineer - Pouch Cell Design

Lyten, Inc.; United States; On-site; USD 106,000 - 159,000; Full time

Benefits offered by this job

Bonus eligibility

Equity

Healthcare

Dental

Vision

401K

Relocation assistance

Job summary

Lyten, Inc. is seeking a Product Design Engineer to own pouch cell mechanical design, BOMs, and manufacturing transition from R&D to pilot build and scaled production for high-performance UAV battery systems.

The candidate will combine mechanical design expertise with battery domain knowledge, drive product improvements, ensure safety and manufacturability, and collaborate across cross‑functional teams on DFMEA, DOE, and MES workflows.

Qualifications

• B. S/M.S in Mechanical Engineering or related fields
• 2+ years in Mechanical Design
• Proficient in CAD design (SolidWorks preferred)
• Experience with PLM/PDM systems
• Proficient in data analysis tools (Python, R, MATLAB, Excel)
• Knowledge of statistical process control (SPC)
• Experience working with cross‑functional NPI or pilot builds in a fast‑paced environment

Responsibilities

• Own and develop cell assembly drawings with detailed specifications, CAD models, and detailed BOMs for pouch cell builds.
• Design and optimize electrode layout, stack architecture, and mechanical containment.
• Ensure designs meet manufacturing feasibility and safety requirements for NPI/pilot build readiness.
• Participate in design reviews, DFMEA/PFMEA, and engineering change documentation.
• Identify and resolve assembly issues specific to pouch cells (tab alignment, sealing integrity, electrolyte distribution).
• Understand the process capabilities of the pilot line to reflect on the cell design.
• Develop comprehensive battery performance specifications based on business development needs and customer requirements.
• Use statistical analysis tools to identify trends and correlations in battery performance data.
• Partner with technicians and operators to identify and implement process improvement measures.
• Design and execute DOEs (Design of Experiments) on production lines with follow-through on MES systems.
• Lead tolerance stack-up analysis for battery pack assemblies and cell integration.
• Establish and validate in-process quality control methods and inspection criteria.
• Work with supply chain team on cost‑reduction initiatives and value engineering.

Skills

Mechanical Design

B.S./M.S. Mechanical Engineering

CAD (SolidWorks)

PLM/PDM

Data analysis (Python/MATLAB/Excel)

SPC

NPI/pilot builds

Education

B.S./M.S. in Mechanical Engineering

Tools

SolidWorks

PLM/PDM

Data analysis tools (Python/MATLAB/Excel)

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.

We are seeking a Product Design Engineer with strong new process introduction and productization experience to own cell mechanical design, engineering drawings, and complete Bill of Materials (BOM) for next-generation pouch battery systems. This role will focus on design-for-manufacturability, ensuring smooth transition from R&D to pilot build and scaled production, with applications in high-performance UAV platforms. The ideal candidate will combine mechanical design expertise with battery domain knowledge to drive product improvements and manufacturing excellence.

Job Responsibilities

• Own and develop cell assembly drawings with detailed specifications, CAD models, and detailed BOMs for pouch cell builds.
• Design and optimize electrode layout, stack architecture, and mechanical containment.
• Ensure designs meet manufacturing feasibility and safety requirements for NPI/pilot build readiness.
• Participate in design reviews, DFMEA/PFMEA, and engineering change documentation.
• Identify and resolve assembly issues specific to pouch cells (tab alignment, sealing integrity, electrolyte distribution).
• Understand the process capabilities of the pilot line to reflect on the cell design.
• Develop comprehensive battery performance specifications based on business development needs and customer requirements.
• Use statistical analysis tools to identify trends and correlations in battery performance data.
• Partner with technicians and operators to identify and implement process improvement measures.
• Design and execute DOEs (Design of Experiments) on production lines with follow-through on MES systems.
• Lead tolerance stack-up analysis for battery pack assemblies and cell integration.
• Establish and validate in-process quality control methods and inspection criteria.
• Work with supply chain team on cost‑reduction initiatives and value engineering.

Required Skills/Qualifications

• B. S/M.S in Mechanical Engineering or related fields
• 2+ years in Mechanical Design
• Proficient in CAD design (SolidWorks preferred)
• Experience with PLM/PDM systems
• Proficient in data analysis tools (Python, R, MATLAB, Excel)
• Knowledge of statistical process control (SPC)
• Experience working with cross‑functional NPI or pilot builds in a fast‑paced environment.

Preferred Qualifications

• 2+ years hands on experience in cell design
• Understanding of battery quality control methods (Hi‑Pot, dimensional analysis, CT scans, weld testing, leak testing, etc.)
• Strong understanding of pouch cell architecture, cell electrochemistry and battery performance trade‑offs

Physical Requirements

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

Compensations Range

The expected base salary range for this position is between $106,000.00 - $159,000.00 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.

Disclosures

Pay Transparency Disclosure: This compensation and benefits information is based on Lyten’s estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. 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. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company‑specific knowledge. In addition to base pay this position is eligible for tier based bonus and equity, healthcare, dental, vision, corporate discounts, paid holidays, PTO and sick time, 401K, employee relocation plan (if applicable).

Export/ITAR Compliance Disclosure

Certain positions within Lyten, Inc. require compliance with export control laws and, as a result, all interviewed candidates will be screened pre‑interview to determine their eligibility in light of export restrictions. This position requires access to technology, software and other information that is subject to governmental access control restrictions, due to export controls. Employment in this position is conditioned on the continued availability of government authorization to authorize release of such items, to the extent required, including without limitation an export license, or other documentation required to establish authorization to receive access to such items. Company may delay commencement of employment, rescind an offer of employment, terminate employment, and/or may modify job responsibilities, compensation, benefits, and/or access to Company facilities and information systems, as Company deems appropriate, in order to ensure compliance with applicable government access control restrictions.

Lyten is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, age, status as a protected veteran, or status as a qualified individual with a disability. EEO Employer/Vet/Disabled.

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.

Founded in 2015 in Silicon Valley, California, Lyten is transforming the future of energy and materials innovation to build a stronger, more resilient world. Our breakthrough innovation, Lyten 3D Graphene™, is a brand‑new supermaterial that enables the creation of products that perform better and cost less. Lyten is rapidly scaling operations across the U.S. and Europe. Our lithium–sulfur (Li‑S) batteries—free from nickel, manganese, cobalt, and graphite—deliver higher energy density and lighter weight while enabling a more secure, independent supply chain and a next‑generation alternative to traditional lithium‑ion chemistry. The acquisition of Northvolt’s assets in California, Poland, Sweden, and Germany has established a strong foundation for Lyten’s global energy storage growth, including Europe’s largest Battery Energy Storage System (BESS) manufacturing facility. Beyond battery systems, Lyten’s platform technology extends to high‑performance concrete admixtures, advanced composites, adhesives, and sensors, redefining material performance across industries from automotive and aerospace to construction and defense. Lyten has raised over $625 million in equity and received support from the U.S. Export‑Import Bank to provide up to $650 million in financing for international customer energy storage projects. Recognized as one of Fast Company’s “Most Innovative Energy Companies,” one of TIME’s “Top Green Technology Companies,” and a Silicon Valley Defense Group Top 100 National Security Company, Lyten is leading the next wave of high‑performance materials and energy systems that enhance energy security and supply chain resilience. Our lithium–sulfur batteries have selected to power Chrysler’s Halcyon Concept EV. Behind every Lyten innovation is a world‑class team…