Strategic Account Manager for a Transmission System Operator (f/m/d)

The opportunity

Location: Zaventem, Belgium and/or Rotterdam, Netherlands
Reporting Line: Reporting directly to the Sales Manager Benelux

We are looking for a driven and customer-focused Strategic Account Manager to strengthen our commercial team in the Benelux region.

In this role, you will be responsible for developing and managing strategic customer relationships, driving profitable growth, and positioning our solutions across the Energy & Utilities value chain, including Transmission System Operators (TSOs), renewable energy, battery energy storage systems (BESS), data centers, industrial clusters (ports, petrochemical, chemical and steel), and EPC contractors supporting critical grid infrastructure projects.

You will act as the main point of contact for the selected key account, ensuring a coordinated and high-value approach across our organization. Working closely with the Sales Manager Benelux and cross-functional teams, you will play a critical role in shaping account strategies and delivering sustainable business growth.

• Own and develop strategic customer relationships
• Act as the primary interface for key accounts, building long-term partnerships, understanding customer strategies, and positioning our offerings to support their business objectives.
• Drive account growth and commercial performance
• Develop and implement structured account plans, identify new business opportunities, and ensure consistent growth in order intake, profitability, and customer satisfaction.
• Deliver a coordinated and value-driven sales approach
• Orchestrate internal stakeholders across business units, engineering, service, and tendering teams to provide integrated and competitive solutions aligned with customer needs.
• Manage complex sales cycles and opportunities
• Lead commercial discussions, proposals, and negotiations, ensuring alignment with customer expectations while meeting business targets on volume, margin, and risk.
• Leverage market insights and strengthen positioning
• Monitor customer developments, market trends, competitor activity, and regulatory changes to identify opportunities and anticipate customer needs.
• Ensure disciplined execution and customer excellence
• Drive effective use of CRM tools, pipeline management, and forecasting. Ensure high-quality delivery, customer satisfaction, and continuous improvement of the overall customer experience.

• University degree in Engineering, Business, or a related field
• Minimum 7 years of experience in Key Account Management, Sales, or Business Development within an industrial, technical, or project-driven environment
• Proven experience managing complex customer relationships and sales cycles, ideally in sectors such as Energy, Renewables, T&D, Industry, EPC, Pharma, Data Centers
• Strong ability to develop strategic account plans and deliver measurable business growth
• Experience working in a matrix and international organization, coordinating multiple stakeholders
• Solid commercial acumen, including negotiation, value-based selling, and contract management
• Customer-oriented mindset with strong communication, influencing, and relationship-building skills
• Structured, proactive, and results-driven approach
• Fluency in French and English; Dutch is an asset
• Willingness to travel across Belgium and the Netherlands

• The opportunity to play a key leadership role in the energy transition, contributing to solutions that support a more sustainable, flexible and secure energy system
• The space to shape regional strategy and have a direct impact on business growth
• A broad and visible scope across multiple strategic market segments
• A collaborative international environment with room for initiative, ownership, and development
• The chance to lead a strong local team and contribute to long-term customer value creation
• A competitive total reward package including an attractive annual bonus opportunity aligned with business performance, at least 32 days of holiday, and a wide range of attractive extra-legal benefits
• Modern and flexible working arrangements, supported by a contemporary homeworking policy, allowing employees to balance on-site collaboration with effective remote work