Product Solution Manager – ESS Residential and Commercial Applications (all genders)

Shaping the future of energy storage
At A123 Systems, we\’re driving the transition to cleaner, more efficient energy solutions with advanced lithium ion storage technologies. Our cutting-edge battery systems offer superior energy density, safety and durability, helping vehicle manufacturers achieve exceptional performance while reducing their environmental footprint.
Our expertise goes beyond automotive applications. In addition to high-voltage batteries for electric and hybrid vehicles and low-voltage solutions that improve efficiency, we also produce energy storage systems (ESS) designed to optimize energy use, support the integration of renewable energy sources and provide reliable backup power.
With capabilities that include innovative cell chemistry, integrated thermal management, software and electronics, we deliver complete, cost-effective energy solutions tailored to our customers\‘ needs. Backed by a global manufacturing footprint and a commitment to pushing the limits of performance, A123 Systems is reducing emissions, improving energy efficiency and powering a cleaner, greener future across industries.
As a Product Solution Manager (all genders) , you are the strategic link between engineering innovation and commercial success in the energy storage space. You shape the future of residential and commercial battery solutions by guiding products from concept to market, aligning technical excellence with customer needs and regulatory demands. In this dynamic role, you lead cross-functional collaboration, translate complex requirements into scalable solutions, and drive the development of cutting-edge energy systems that empower a more sustainable future.
Responsibilities:

• Manage cross-functional communication and alignment with internal teams, external suppliers and key customers to ensure the timely delivery of BESS projects and their seamless execution.
• Own and drive the full product life cycle — from concept through to launch — ensuring alignment with technical feasibility, market needs and long-term commercial strategy.
• Coordinate multiple parallel development projects within tight deadlines, demonstrating resilience, focus and leadership in a fast-paced environment.
• Support commercial teams and Key Account Managers (KAMs) by developing bespoke technical solutions and presenting value-driven product offerings to customers and partners.
• Continuously analyse market trends, evolving customer needs, regulatory landscapes and competitor offerings to shape differentiated, future-ready BESS solutions for the residential and commercial segments.
• Ensure that all product developments adhere to regulatory, grid compliance and safety standards in the target markets.
• Deliver clear, structured communication across all levels of the organisation, from engineering and product teams to executive leadership and external stakeholders.
• Foster a culture of innovation and continuous improvement by identifying gaps, proposing enhancements and encouraging solution-oriented thinking across the BESS value chain.

Education & Experience:

• Bachelor\’s or Master\’s degree in Electrical Engineering, Energy Technology or a related technical discipline.
• 3+ years\‘ experience in product or project management within the energy, battery or renewable sector.
• Solid understanding of battery systems, BMS, renewable generation and inverter integration
• Strong industry knowledge of the residential and/or commercial energy storage systems (BESS) market
• Familiarity with working in cross-functional, international teams

Knowledge, Skills, and Abilities:

• Strategic thinker with a hands-on approach, capable of identifying technical and business opportunities in a rapidly evolving BESS market.
• Excellent stakeholder management and influencing skills, particularly with engineering, sales and executive teams.
• Business fluency in English; proficiency in German and basic Chinese skills are a plus
• High proficiency in Microsoft Office Suite, MS Project and reporting tools.
• PMP certification or equivalent project management training is advantageous.

We offer:
Work culture

• Flat hierarchies & creative freedom: Your ideas count and your work has a direct impact.
• Team spirit: A supportive, warm atmosphere with helpful colleagues.

Onboarding & Development:

• Comprehensive onboarding: An induction plan, mentoring and support right from the start.
• Career development: Continuous training, individual career planning and global project work.

Benefits

• Attractive salary package with notebook and mobile phone
• 30 days holiday per year for a good work-life balance
• Company pension scheme
• Group accident insurance
• Corporate benefits
• Urban Sports membership
• E-bike leasing discount
• Home office options

For any inquiries, please contact us at:

A123 Systems GmbH
Leinfelden-Echterdingen, Germany

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