Customer Success Manager (m/f/x)

We’re looking for a Customer Success Manager to ensure our clients are not only successful in deploying atmio but are also empowered, engaged, and expanding their use of our platform. You’ll take the lead on relationship management, retention, and upsell opportunities, working closely with our software and sales teams to deliver exceptional service and surface critical feedback.

You’ll join a small but growing team — this is our second hire in Customer Success — and help define the playbook, structure, and processes that will scale with us.

Key Responsibilities

• Relationship & retention: Build strong, trust-based relationships with key customer stakeholders, monitor account health, and drive renewals and expansions
• Customer enablement: Develop onboarding programs and proactive training (including onsite where needed) that lead to self-sufficient, happy users
• Voice of the customer: Gather insights and feedback, helping product and software teams prioritise improvements based on real customer needs
• Operational excellence: Contribute to internal CS tooling, documentation, and scalable processes (including health monitoring and onboarding flows)

This role is right for you if you... ✨

• Thrive on building trust with senior B2B customers and turning great relationships into long-term successstories
• Love digging into data and processes to drive retention, identify upsell opportunities, and improve the customer journey
• Enjoy taking ownership, moving fast, and creating structure where there is none — especially in a growing startup environment
• Get energy from cross-functional collaboration and turning customer feedback into actionable improvements
• Communicate clearly, handle tough conversations with empathy, and stay calm under pressure
• Want your work to directly support climate impact and be part of a mission-driven, high-performance team

Requirements

Skills & experience you will need

• 2+ years of experience in Customer Success, Account Management, or Implementation — ideally with senior-level B2B clients
• A track record in upselling and driving renewals
• Strong project management skills and a data-savvy mindset
• Experience working with technical products and cross-functional teams (Sales, Software, Product)
• Excellent communication and conflict resolution skills
• A proactive, ownership-driven attitude and a willingness to step outside your comfort zone
• Fluency in German and English (a third language is a plus)

Benefits

• Remote Working: Work from our in Hamburg, or remote from the northern part of Germany
• Unlimited Vacation: Take as many holidays as you need — we trust you to recharge when it matters most
• Flexible Working Hours: Work during the hours that align with your peak performance and lifestyle
• Mental Health Matters: Access 1:1 psychologist sessions and workshops through our Bloom partnership
• Professional Growth: Use a dedicated development budget to enhance your skills and career
• Stock Option Plan: Receive virtual stocks as a reward for your trust, effort, and vision alignment
• Unite, Recharge, Celebrate: Join in-person team retreats to connect and have fun
• Explore Germany: Enjoy the Deutschlandticket for flexible public transportation access