As System Architect for Battery Systems (m/f/d) you are responsible for architecture and derivation of system requirements for new battery & PV products, but also for supporting maintenance of existing products. You analyze customer needs and derive requirements, build and rank potential solutions, coordinate decision finding processes within the project team and coordinate or handle the implementation by yourself into our products. The position is within a dedicated team, chips in significantly in crafting smart Viessmann products matching the expectations of a rapidly growing market for PV and Storage, and e-mobility solutions. Your impact technical lead in system development projects for battery storage & PV systems development of system architectures considering internal and external requirements, creation of hard-/software concepts, identification of development potential and taking care of related documentation provide know-how to support of other departments or teams accompanying battery systems in the market (e. g. Technical Service, Training modules) identification and coordination of work packages with internal departments and/or external partners (e.g. research institutes, suppliers, etc.) tracking of cost figures of components and subsystems with purchasing, cost optimization of systems support in planning, organization and documentation of certification process of new products and also re-certification for existing products Who you are You have profound experience in systems engineering, are familiar in working along the V-Model and have a long term, detailed knowledge in hard- and software development for battery & PV systems. A mentality of flexibility, initiative, responsibility and strong interpersonal skills, set you apart. PhD or master’s degree in electrical engineering, energy management systems or similar qualification expert knowledge and proven experience in development of electrical energy storage systems technology including coupling with PV systems, integrated batteries, charging systems, inverter technology and/or e-mobility applied knowledge in life cycle management and familiar with tools such as Siemens Polarion or Atlassian Jira language proficiency (C1 level) in English and in German (B2 level) Even if you don't fulfill all the criteria but are ready for the challenge, click on "Apply" anyway. We love your spirit What makes us special Our employees are the key to making our vision come alive. With that in mind, we've created a range of perks: A permanent position awaits you at our business where new technologies meet a modern workplace culture. Plan for your retirement: take advantage of subsidies through our employer-funded pension program. Your well-being is close to Viessmann's heart: We support your physical and mental health with various initiatives. The Viessmann academy and external partners offer a wide range of professional and personal training opportunities. Our flexible working hours allow you to balance your work and private life. Who we are We are Viessmann Climate Solutions. Founded in 1917 as a heating technology manufacturer, and now part of Carrier, we are today one of the world's leading providers of efficient and systemic climate and renewable energy solutions. We cover all applications: heating, cooling, ventilation, water and air quality, energy generation, and energy storage for the residential and commercial sector. Our integrated solution offering seamlessly connects products and systems via digital platforms and services to a holistic climate and energy solution, thus creating a safe and reliable feel-good climate for our users. All activities are driven by our company purpose, "We create living spaces for generations to come" and our employees are passionate about playing an active role in the energy transition. Join us on this exciting journey now