Client Success Manager

Client Success Manager

Full-time / Part-time · Rotterdam

At Solarplaza, we believe meaningful connections drive the energy transition. Through our international B2B conferences, market insights, and digital platforms, we bring together renewable energy professionals from around the world to share knowledge, build partnerships, and shape the future of solar and energy storage. Based in Rotterdam, our diverse team of 40+ colleagues from more than 15 nationalities is passionate about creating impactful experiences that help accelerate the global energy transition.

Join us as a Client Success Manager

Are you great with people, highly organized, and commercially minded?

At Solarplaza, we’re looking for a Client Success Manager to take ownership of our sponsors’ experience across international B2B conferences in solar and energy storage.

You’ll be the trusted point of contact for our sponsors — understanding their objectives, coordinating deliverables, solving problems, and helping them get real value from their partnerships.

This is a hands-on , client-facing role combining relationship management, coordination, commercial thinking, and problem-solving. You’ll play a key role in strengthening sponsor retention, encouraging repeat business, and identifying growth opportunities, while working closely with our Business Development team to support Solarplaza’s commercial growth.

You’ll work with international companies and senior professionals across the renewable energy sector, building lasting relationships and helping create successful partnerships.

You build the relationship. You take ownership. You make things happen.

You enjoy working with people, keeping things moving, and turning partnerships into great experiences. You’re proactive, organized, commercially curious, and comfortable taking responsibility.

- Relationship-oriented. You understand client needs and build trusted, long-term partnerships.

- Organized and accountable. You manage priorities, deadlines, and details without losing sight of the bigger picture.

- Proactive problem-solver. You anticipate needs, resolve issues, and keep things moving.

- Commercially curious. You recognize opportunities to strengthen relationships and grow partnerships.

- Customer-focused. You care about delivering an excellent experience and helping clients get value from their investment.

You make it easy for sponsors to work with Solarplaza and get value from their partnerships.

- No surprises. Sponsors know what’s happening, what is expected from them, and what comes next.

- Strong relationships. You become a trusted partner to your sponsors and build relationships that last.

- Great experiences. Sponsors see clear value in their partnership with Solarplaza.

- Partnerships grow. You strengthen sponsor retention and repeat business by delivering value, spotting growth opportunities, and working with BD on timely follow-up.

You’ll take ownership of the sponsor journey from signed partnership to successful delivery and beyond :

Sponsor Success & Relationship Management

- Onboard new sponsors, ensuring they understand their deliverables, timelines, next steps, and how to get the most value from their partnership.

- Proactively manage sponsor questions and support through a dedicated sponsor mailbox, coordinating with Account Managers and internal teams to resolve issues and keep deliverables on track.

- Agree on partnership objectives during onboarding, review outcomes after each event, and share sponsor feedback and insights with BD and event teams to improve the sponsor experience and strengthen future partnerships.

Sponsor Coordination & Event Delivery

- Coordinate sponsorship deliverables, registrations, timelines, assets, approvals, ticket allocations, and promotional codes.

- Ensure sponsors are prepared for and supported at our events, with agreed deliverables on track and all relevant information shared on time.

- Coordinate sponsor-speaker communication and prepare and share attendee lists and other relevant sponsor information.

- Work closely with commercial, marketing, event, and production teams to deliver a smooth sponsor experience.

Marketing & Commercial Growth

- Support sponsors with the Marketing Toolkit and coordinate promotional activations across LinkedIn, email, and other relevant channels.

- Identify opportunities to create additional value for sponsors through renewals, upselling, cross-selling, and deeper partnerships, including opportunities beyond individual events.

- Monitor sponsor and platform activity to spot commercial opportunities, including high-value ticket buyers who may be potential sponsorship prospects, and connect these opportunities with Business Development.

- Support Sales and Business Development with prospecting, meeting bookings, delegate sales, and other commercial activities where needed.

CRM & Process Management

- Keep sponsor information, deliverables, communications, and follow-ups accurate and up to date in Salesforce.

- Help improve our sponsor onboarding, communication, and support processes to make the client journey as smooth and efficient as possible.

- At least three years of relevant experience in client success, account coordination, partnerships, sponsorships, or a similar client-facing role, ideally gained over three or more years.

- The ability to manage multiple client relationships , coordinate commitments across teams, and deliver on promises.

- Strong organizational skills , attention to detail, and a proactive, hands-on approach.

- A client-focused and commercially aware mindset , with good judgement in understanding client needs and identifying opportunities to strengthen relationships.

- Excellent communication and interpersonal skills , with confidence working with senior stakeholders.

- A practical, solution-oriented approach and the ability to stay calm when priorities change.

- The ability to work independently while collaborating effectively across teams.

- Excellent written and spoken English.

- Experience in international B2B, events, or renewable energy is a strong plus.

- Experience with Salesforce or another CRM is a plus.

- Based within commuting distance of Rotterdam.

- Willingness to travel internationally for conferences and industry events.

- 28 days of paid leave per year based on full-time employment.

- €2900 - €3500 gross per month , depending on experience, skills, and qualifications.

- Initial 9-month contract with the intention to extend.

- A solid pension scheme .

- Up to 20 remote working days per year after 6 months.

- €1,000 annual personal development budget after 6 months.

- Extensive opportunities to grow your international network and expertise in renewable energy.

- An open, respectful, and multicultural working environment.

- Access to a bike lease plan through Lease a Bike .

- Travel expense compensation through an NS-Business Card or mileage allowance for commuting distances between 10 km and 50 km one way.

Join our Team

We’re especially interested in your hands-on experience managing client relationships, coordinating deliverables, and ensuring a positive client experience from onboarding through to delivery.

As part of your application, you’ll be asked to answer a few short questions about your relevant experience and approach to client success.

Please apply with your CV and cover letter in English. Applications are reviewed on a rolling basis.