Customer Success Manager

Next Mobility Labs is a venture studio focused on building innovative companies in the mobility, energy, and technology sectors. They are seeking a Customer Success Manager to ensure successful transaction execution on their B2B marketplace for used batteries, engaging with customers and internal teams to drive operations and enhance user experience.

Responsibilities:

• Take ownership of deals after commercial agreement
• Act as the main point of contact for buyers and suppliers during execution
• Coordinate all steps required to complete transactions (documentation, logistics, internal alignment)
• Proactively follow up with all stakeholders
• Identify and resolve blockers
• Ensure timely completion of transactions
• Actively engage with users in ongoing negotiations and transactions when progress stalls
• Identify high-intent users within ongoing platform interactions and flag them to Sales for commercial follow-up
• Facilitate communication between buyers and suppliers to move deals forward
• Support interactions without taking over commercial ownership (no pricing or negotiation decisions)
• Ensure all required information and documents are complete
• Align closely with Sales Operations and Finance
• Track progress and ensure smooth handovers
• Guide customers through the final steps towards their first transaction
• Re-engage users when directly linked to active deal opportunities

Requirements:

• 3–5+ years in Customer Success, Account Management, or User Engagement within a SaaS or digital marketplace environment
• Proven track record of reducing churn or reactivating dormant users at scale
• Experience designing and delivering onboarding programs (live and self-service)
• Comfortable running user interviews and translating qualitative insights into actionable product feedback
• Strong ability to create clear, engaging content — video tutorials, guides, FAQs — that scales support without scaling headcount
• Highly structured, proactive, and data-informed in how you prioritize accounts and outreach
• Fluent in English; German is a strong plus
• Experience in energy, cleantech, mobility, or industrial B2B marketplaces
• Familiarity with battery lifecycles, second-life applications, or EV supply chains
• Experience working with product and analytics teams on platform instrumentation and user behavior data
• Knowledge of CRM tools (HubSpot preferred) and pipeline/engagement tracking