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Account Director (f/m/d) -Strategic Accounts

Frankfurt am Main, AMS01 (NL)
Full-time
Permanent employee
85,000 - 125,000 € per year

Welcome to the team! – Who we are and what we do

We operate carrier-neutral, multi-tenant data centers in some of Europe’s most important digital hubs. Our facilities provide secure, resilient and scalable infrastructure solutions for enterprises, cloud providers, network operators and digital businesses.
As a trusted partner in the digital infrastructure ecosystem, we enable our customers to host critical IT workloads, connect to a rich ecosystem of carriers and service providers, and scale their businesses with confidence. Our success is built on operational excellence, customer focus, innovation and long-term partnerships.
Joining our team means becoming part of a dynamic, international organization that plays a vital role in supporting the digital economy. We value collaboration, accountability and entrepreneurial thinking, and we empower our people to make an impact every day.

Your mission

We are looking for an experienced Senior Account Director – Strategic Accounts to take ownership of our existing customer portfolio across our multi-tenant colocation data centers in Frankfurt and Amsterdam.

This is a senior account management and customer relationship role focused on retaining and developing long-term relationships with existing customers.
You will be the senior commercial point of contact for a portfolio of customers, responsible for understanding their business and infrastructure requirements, ensuring strong customer relationships, managing contract renewals, and identifying opportunities to expand their footprint within our data center portfolio.

The successful candidate will combine strong relationship management skills with commercial acumen and a solid understanding of the data center, colocation, cloud and digital infrastructure ecosystem.

Your profile

Customer & Account Management

  • Own and manage a portfolio of existing strategic and key customers across our Frankfurt and Amsterdam data center locations.
  • Build and maintain strong, long-term relationships with customers at operational, technical, procurement and executive levels.
  • Act as the primary commercial point of contact and trusted advisor for assigned accounts.

Contract Renewals & Retention

  • Take full commercial ownership of the contract renewal process, from early engagement through negotiation and execution.
  • Maintain a forward-looking renewal pipeline and ensure renewals are addressed well in advance of contractual expiration.
  • Work closely with legal, finance, operations and technical teams to ensure commercially sound and executable agreements.

Commercial Management

  • Own account plans, revenue forecasts, renewal forecasts and opportunity pipelines for the assigned customer portfolio.
  • Monitor contract terms, pricing, commitments, expansion opportunities and renewal dates.
  • Prepare commercial proposals, business cases and customer presentations.

Internal Stakeholder Management

  • Collaborate closely with Data Center Operations, Engineering, Service Delivery, Finance, Legal, Procurement and Marketing.
  • Coordinate internal resources to resolve customer issues and support account development.
  • Represent the voice of the customer internally and ensure customer requirements are understood and acted upon.

Key Objectives

Success in this role will primarily be measured by:
  • Customer retention and contract renewal rate
  • Renewal revenue and profitability
  • Development of strategic, multi-year customer relationships

Candidate Profile

  • 7+ years of experience in B2B sales, strategic account management or key account management.
  • Proven experience in the data center, colocation, cloud, connectivity, telecommunications or related digital infrastructure sector, including complex commercial relationships and contract renewals.
  • Strong commercial and financial understanding, and excellent communication and negotiation skills.
  • Willingness to travel regularly between Frankfurt and Amsterdam and to customer locations as required.
  • Fluent English is essential; German and/or Dutch would be an advantage.

What’s in it for you

  • Let’s talk money: We know it matters, which is why we offer an attractive salary plus bonuses.
  • Take a break: Enjoy 30 days of vacation to recharge. Plus, 20 days of workation. 
  • Secure your future: Join a financially strong company that offers long-term stability, exciting growth opportunities, and a start-up spirit with plenty of room for fresh ideas and change.
  • A hybrid, highly flexible working environment that adapts to your wishes and needs. Whether full-time or part-time – together we will find the right solution for you.
  • Plan ahead: We’ve got your back with a company pension plan and capital-forming benefits.
  • Celebrate together: From Christmas parties to team events, we’ve got plenty of ways to share the fun.
  • Keep growing: Access tailored training opportunities to reach your personal and professional goals.
  • Enjoy perks: Take advantage of employee discounts on top brands and online shops.
  • JobBike

Do you want to help shape the future of sustainable data centers?

Then apply quickly and easily online with your CV.

If you have any questions, feel free to reach out to me. I’m Benjamin and I’ll guide you through the application process: jobs@maincubes.com

About us

The world is going digital – and with it, the construction of data centers is booming. Great news for demanding customers and our planet: maincubes is here.
As a 100% European provider, we focus on green energy and sustainability to deliver reliable, high-performance IT capacities to companies across all industries – for applications like autonomous driving, AI, or virtual reality. From planning to construction and operations, we handle everything in-house. The result: "Green Buildings" that even feed waste heat into local networks and data centers that enable a data-sovereign Europe.


Although we’ve been in the market since 2011, our story is just beginning: Over the coming years, we’re investing more than 2 billion euros in new data centers. For this growth, we need people like you – creative minds who want to help us develop ideas and have fun along the way. Diversity is one of our core values! We appreciate and respect the uniqueness of every individual, regardless of origin, gender, age, religion, disability, or sexual identity. We welcome applications from people of all backgrounds who want to enrich our team with their perspectives. Are you in?