Senior Cell Design Engineer - Mechanical

Lyten Labs AB

Lyten Sweden is seeking professional Senior Test & Validation Engineers. As a Senior Test & Validation Engineer you will plan, organize, execute, and follow up on project-related testing and provide leadership and oversight to the team. Lead performing and developing tests together with the team which concerns the battery’s performance, reliability, and safety. Own responsibility of test facility related to its operation, installation and commissioning activities. Key Responsibilities Key responsibilities include (but are not limited to) Develop and lead product testing procedures based on the customer requirements of development projects and Quality Control (QC) standards. Oversee the setup, operation, and maintenance of test equipment necessary for product testing. Ensure the implementation of robust quality assurance processes to uphold the accuracy and reliability of test results. Analyze test results and prepare formal/informal test report to present to internal/external stakeholders. Ensure delivery of the project activities regarding validation requirements. Oversee the documentation of test procedures, observations, and results, ensuring compliance with established document management standards. Lead technical work streams related to the installation and commissioning of equipment for test expansion projects. Develop relevant new test methodology and equipment mainly on cell scale Provide technical expertise, guidance and training our associate engineers and technicians Lead continuous improvement & problem-solving initiatives aimed at enhancing testing methodologies, processes, and workflows. Facilitate communication and clarification of technical requirements between customers and Lyten's internal stakeholders Help the team to perform and innovate Requirements Educational background and previous experience required for the role. Qualifications and Experience Bachelor or above degree within Electrochemical, Material, Electrical or Mechanical field or equal comparable work experience More than 3 years of experience from the development and testing of secondary batteries, lithium-ion based technologies Excellent communication skills as you will be in constant interaction with international customers and team members from both the technical and business development side Knowledge of FMEA, FTA, 6 Sigma concepts, and problem-solving methodologies will be an added advantage. Familiar with international test standards, e.g., IEC/ES, UL, CSA, Marine, etc. Proven results in meeting customer requirements and expectations Recognize the risk of cell/battery development and production Good knowledge in test design, setup and facility operation Confident in data analysis and presentation Specific skills Excellent English is written and oral skills Strong organization skills and used to manage a range of activities simultaneously Highly organized and results-driven, adept at overseeing complex testing projects and managing resources effectively. Demonstrates advanced problem-solving skills, proactively finding innovative solutions to complex technical challenges. Working experience with OEM project for Lithium-ion battery cell/module business Ability to work well with others in a team environment, as well as independently Problem solving skills with appropriate tools

Lyten Labs AB

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 advanced 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.

Lyten Labs AB

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. Lyten is now seeking Material Development Engineer. You will be responsible for technical activities related to the evaluation and analysis of Li battery cells and associated materials. The position focuses on supporting the development, optimization, and validation of materials and components to ensure reliable performance in both commercial and R&D cell projects. Key Responsibilities Conduct material characterization, electrochemical testing, and performance evaluation of Li battery cells and related components. Analyze test data to assess material behaviours, degradation mechanisms, and cell performance trends. Support design and process optimization efforts to improve cell performance, safety, and manufacturability. Perform failure analysis to identify root causes of performance deviations and propose corrective actions. Collaborate with cross-functional teams—including cell design, process, and quality groups—to ensure consistent material evaluation standards and test methodologies. Prepare technical documentation, data summaries, and reports to support engineering decisions and project reviews. Stay informed on advancements in Li battery materials, analysis techniques, and relevant industry standards. Execute assigned evaluation and analysis tasks in consultation with senior engineers and contribute to achieving project milestones. Qualifications and Experience BSc or MSc in Chemical/Material/Electrical Engineering, and Chemistry. Experience and good understanding in evaluation, testing, or analysis of Li battery cells or related materials. Proficiency in analytical and electrochemical testing methods (e.g., EIS, charge/discharge cycling, material characterization). Strong analytical and problem-solving skills, with attention to data integrity and reproducibility. Effective communication and collaboration skills within a multidisciplinary R&D environment. Specific skills Hands-on experience with electrochemical testing (charge/discharge, EIS, CV). Proficiency in data analysis tools (Excel, Origin, Python preferred). Familiarity with material characterization techniques (XRD, SEM, ICP). Understanding of laboratory QA/QC principles. Ability to follow established test protocols with precision and consistency. 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.