At Maxwell, a renowned supercapacitor technology brand is being re-energized within Clarios to support the next wave of data center, AI, grid, and energy innovation.This is not just another role, it is a chance to help build a high-growth business with the speed of a focused team and the strength of a global energy storage leader behind it. Your work can directly influence how critical infrastructure becomes more responsive, resilient, and sustainable. We are looking for builders, challengers, and customer-focused leaders who want to shape a market, grow with the business, and leave a visible mark on the future of energy. Power your future with Clarios and explore the possibilities with us. As Senior Application Engineer (m/f/d), you will serve as the technical bridge between Maxwell’s product development, engineering, and commercial teams. You will support customers throughout the design, analysis, integration, validation, and deployment of Maxwell energy storage solutions. You will translate customer application requirements into technical solutions and provide hands-on engineering support throughout the product lifecycle. Working closely with customers, Product Management, R&D, Manufacturing, Sales, and Business Development, you will help ensure the successful adoption of Maxwell technologies while supporting new business opportunities and long-term customer relationships. The position will be based in our EMEA location in Hanover, Germany. What you will do As Senior Application Engineer (m/f/d), your responsibilities will include: Customer Application Support Serve as the primary technical point of contact for customers during evaluation, design, validation, and production launch phases. Understand customer system requirements and recommend optimal product configurations and application solutions. Perform appropriate calculations for system sizing, power capability, thermal constraints, and related performance parameters. Support customer technical reviews, design discussions, product evaluations, and troubleshooting activities. Develop and deliver technical presentations, application notes, and customer training materials. Product Integration & Validation Assist customers with the integration of Maxwell products into their systems and applications. Support system-level testing, validation activities, and performance analysis. Analyze test data and provide recommendations for design improvements and optimization. Work cross-functionally to resolve technical issues and customer concerns. Commercial & Business Development Support Partner with Sales and Business Development teams to support customer engagements and growth opportunities. Participate in customer meetings, trade shows, technical workshops, and industry events. Provide technical input for quotations, proposals, and project assessments. Help identify emerging market trends, customer needs, and competitive technologies. Product Development Collaboration Communicate customer requirements and market insights to product development teams. Support new product introduction activities and commercialization efforts. Contribute to product roadmap discussions by providing application and customer feedback. Assist in defining product specifications and requirements for future development programs. Technical Documentation Create and maintain technical documentation including application guides, validation reports, and technical specifications. Develop best practices and design recommendations for customer applications. Support technical knowledge sharing across engineering and commercial organizations. What makes you a good fit Bachelor's degree in Electrical Engineering, Mechanical Engineering, Chemical Engineering, Materials Science, or related technical field. 5+ years of engineering experience in energy storage, batteries, ultracapacitors, power electronics, automotive, industrial, or related technologies. Experience supporting technical customers or external stakeholders. Strong analytical and problem-solving skills. Excellent communication and presentation skills with the ability to explain complex technical concepts to diverse audiences. Fully fluent in German, professional fluency in English. Proficiency in other European languages is a plus Ability to travel domestically (Europe) and internationally as business needs require. The following qualifications would be an advantage: Knowledge of data center environments, systems, and hardware Knowledge of automotive, industrial, off-highway, or commercial vehicle markets Experience with system-level validation, testing, and data analysis Experience with the development and application of standards Familiarity with requirements management and product development processes What we offer you As a technology leader with strong brands (i.e. VARTA® and OPTIMA®), Clarios notably lives on the creativity, capability and satisfaction of its employees. Therefore, we offer people with drive and power many good reasons to join us: Exciting professional tasks and challenges in a diverse international future-oriented environment with strong commitment to integrity, values, social engagement, and sustainability. Arrange your working hours and breaks flexible via our flexible working hours model and combine your professional and private life even better according to our above average number of vacation days, mobile work policy and company kindergarten. A competitive remuneration package, including additional payments as well as company pension scheme. Your well-being is very important to us: Take advantage of our preventive health care offers such as fitness center, physiotherapist, modern office environment, healthy canteen, team and company events or hobby clubs. Stay fit whilst at the same time positively contributing to our environment: Lease your company bike. Our well-advanced onboarding process and buddy program supports you to quickly grow into the position and team. By using the offering in our Learning Academy, LinkedIn Learning and EMEA Mentoring Program you will be able to further grow professionally and personally. Last, but not least we support you in relocating and finding an apartment in your work location, if applicable and depending on individual factors. You want to learn more about the position and our EMEA region? Check out our regional page and get in touch with our recruiting team. #LI-MD1 About Clarios: Clarios is the global leader in advanced, low-voltage battery technologies for mobility. Our batteries and smart solutions power nearly every type of vehicle and are found in 1 of 3 cars on the road today. With around 18,000 employees in over 100 countries, we bring deep expertise to our Aftermarket and OEM partners, and reliability, safety and comfort to everyday lives. We answer to the planet with a rigorous sustainability focus – advancing best-in-class sustainability practices and advocating for them across our industry. We work to ensure 100% of our products sold are recyclable, and we recycle 8,000 batteries an hour in our network. You can find more information here (PDF). To All Recruitment Agencies: Clarios does not accept unsolicited agency resumes/CVs. Please do not forward resumes/CVs to our careers email addresses, Clarios employees or any other company location. Clarios is not responsible for any fees related to unsolicited resumes/CVs. Equal Employment Opportunity: Clarios, LLC is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, status as a qualified individual with a disability, or any other characteristic protected by law. For more information, please view EEO is the Law, EEO is the Law (supplement), and Pay Transparency Non-discrimination. If you are an individual with a disability and you require an accommodation during the application process, please email Special.Accommodations@Clarios.com. A Note to Job Applicants: please be aware of scams being perpetrated through the Internet and social media platforms. Clarios will never require a job applicant to pay money as part of the application or hiring process. Clarios is the creator behind the world’s most recognizable car battery brands. We are the car battery found in most new vehicles including leading brands such as Ford, General Motors, Toyota, Honda, and Nissan. Our 16,000 employees develop, manufacture, and distribute batteries for virtually every type of vehicle. We recover, recycle, and reuse up to 99% of our battery materials, leading sustainability practices in our industry. A Note to Job Applicants: Please be aware of scams being perpetrated through the Internet and social media platforms. Clarios will never require a job applicant to pay money as part of the application or hiring process.

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