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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. Lyten Sweden is seeking a professional and experienced Principal Engineer withing Manufacturing Engineering function. The Principal Engineer is a senior technical leader responsible for defining, scaling, and   optimizing   manufacturing processes across one or multiple process areas. This role provides strategic direction, technical authority, and mentorship while driving the process development of   next-generation   battery   technology .   The Principal Engineer leads complex, high-impact initiatives from concept through industrialization, including process design, equipment strategy, and factory integration. Acting as a key interface between R&D, operations, quality, and external partners, the role ensures robust, scalable, and cost-efficient manufacturing solutions that support production ramp-up and long-term operational excellence.   In addition to hands-on technical contribution, the Principal Engineer   establishes   engineering standards, drives cross-site alignment, and shapes the technology roadmap for   manufacturing  processes. Key Responsibilities Technical Leadership & Strategy • Define and own process technology strategy and roadmap for assigned manufacturing areas. • Serve as the subject matter expert (SME) and technical authority across multiple process domains. • Establish engineering standards, best practices, and design guidelines across the organization. • Drive alignment between R&D, manufacturing, and supply chain to ensure scalable process development. Process & Equipment Development • Lead the development of advanced process and equipment specifications for new and existing manufacturing systems. • Identify , evaluate, and select strategic equipment suppliers and technology partners. • Oversee and lead design reviews with equipment suppliers, ensuring technical rigor and scalability. • Provide guidance and oversight for process development from   pilot   through high-volume production. Program & Project Leadership • Lead large-scale, complex equipment and process development projects with significant business impact. • Guide cross-functional project teams through all phases: concept, design, FAT, SAT, commissioning, validation, and ramp-up. • Act as   escalation   point for critical technical challenges across projects and sites. Equipment Lifecycle Management • Provide leadership and governance for installation, commissioning, and validation (IQ/OQ/PQ) of manufacturing equipment. • Ensure lifecycle strategies are in place for equipment reliability, maintainability, and performance optimization. Operational Excellence & Continuous Improvement • Identify   and lead high-impact continuous improvement initiatives using Lean, Six Sigma, and other methodologies. • Drive improvements in yield, throughput, cost, and overall equipment effectiveness (OEE). • Establish and track process   capability   metrics and KPIs across production lines and sites. Troubleshooting & Advanced Problem Solving • Lead complex root cause analysis (RCA) efforts, including 8D and A3 methodologies, for critical process or equipment failures. • Provide hands-on   expertise   for resolution of escalated manufacturing challenges. • Implement robust corrective and preventive actions to   eliminate   recurrence. Data Analysis & Digitalization • Leverage Manufacturing Execution Systems (MES), advanced analytics, and statistical tools to   monitor   performance and drive optimization. • Champion data-driven decision-making and digital transformation initiatives within manufacturing engineering. Governance & Documentation • Approve and govern process documentation, including SOPs, work instructions, and equipment documentation. • Ensure compliance with safety, quality, and regulatory standards across all processes. Coaching & Mentorship • Mentor and develop process engineers, fostering technical growth and engineering excellence. • Promote knowledge sharing and capability building across the engineering organization. Requirements Educational background and   previous   experience   required   for the role Qualifications and Experience • University a dvanced degree (Ph.D. preferred)   or   Master   degree Mechanical Design , or   related   field. •  Minimum of 15 years in cell development or   battery manufacturing engineering in senior technical roles •  Proven   track record   in advanced cell technologies, including lithium-ion, solid-state, or next-gen battery chemistries. •   Strong team   management and mentorship abilities, with experience managing teams •  Ability to set   a clear vision   and execute strategies that balance innovation with practical, scalable solutions. •  Excellent verbal and written communication skills, with experience presenting to executive teams and stakeholders. •  Able to thrive in a fast-paced, evolving industry, making data-driven   decisions   and adjusting strategies as needed. 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.