Management vacatures Leiden

Help shape the future of accurate measurement in gas, flow and hydrogen technologies

Every day, industries, utilities, and consumers rely on accurate measurement of gases and liquids. Whether in concerns gas meters used in homes, flow measurement systems in industrial installations, or emerging hydrogen applications, confidence in measurement accuracy is essential for fair trade, safety, and regulatory compliance.

For our Flow Measurement team, we are looking for an Account Manager who enjoys developing new business opportunities, building strong consumer relationships, and working at the intersection of technology, measurement, and innovation.

In this role, you focus on customers active in gas metering, flow measurement technologies, hydrogen applications, and related industries. You help customers navigate technical and regulatory requirements while connecting their needs to NMi’s testing, certification, inspection, and verification services.

You manage opportunities from initial contact through to proposal, contract, and project initiation. Working closely with Sales Support and Technical Experts, you ensure a smooth transition from commercial discussions to project execution. In addition, you contribute to tenders, strategic initiatives, and cross-business-unit opportunities within NMi.

You operate in a market that continues to evolve due to the energy transitions, technological innovation, and the growing role of alternative fuels such as hydrogen. This creates a dynamic environment where commercial expertise, industry knowledge, and relationship building are essential to success.

• Develop met business opportunities and expand NMi’s customer base within the gas metering, flow measurement, and hydrogen sectors
• Build and strengthen long‑term relationships with customers, prospects, and industry stakeholders
• Act as the primary commercial contact for customers, understanding their needs and connecting them with the right NMi services
• Manage opportunities throughout the full commercial cycle, from lead generation and qualification to proposal, contract, and project handover
• Leverage your industry network to identify opportunities and open doors to new customers and markets
• Contribute to tenders, bid processes, and strategic commercial initiatives across multiple business units
• Work closely with Sales Support and our technical specialists to ensure successful project delivery
• Monitor market developments, industry trends, technological innovations, and regulatory changes to identify growth opportunities and achieve commercial objectives

• The opportunity to work in a unique market where measurement technology, legislation, and societal impact come together
• A high degree of autonomy and responsibility within your customer portfolio
• Collaboration with highly skilled technical experts and specialists
• An international working environment with colleagues and clients worldwide
• A competitive salary based on your experience
• A 13th month salary (paid monthly), holiday allowance, and profit sharing
• 30 days of annual leave, with the option to buy or sell additional days
• Hybrid working options
• A solid pension scheme
• Travel reimbursement, home office allowance, and collective health insurance
• Access to sports benefits

• 5‑10 years of experience in technical sales, account management, or solution selling
• Experience managing complex stakeholder environments and decision‑making processes
• The ability to build long‑term customer relationships and develop strategic partnerships
• Strong commercial instincts and the ability to recognize opportunities within technically complex environments
• Confidence in communication with both technical specialists and senior decision‑makers
• A strong sense of quality, reliability, and compliance
• Experience within the gas metering, flow measurement or hydrogen, with an established and relevant network in the industry is an advantage
• Fluent Dutch and English communication skills, both written and spoken

NMi Group is a leading European company in Advisory, Testing, Inspection, Certification, and Calibration. We work with organisations worldwide to ensure that technologies meet legal and technical standards throughout their lifecycle.

With over 500 colleagues across Europe and the United States, we support a global customer base. We combine deep technical expertise with a practical, straightforward approach, where accuracy, independence, impartiality, and trust are at the core of everything that we do.

Would you like to work on technology that supports road safety, fair measurement, and environmental protection? We would love to hear from you. Apply directly via our website.

To learn more about the role, the team, or the projects you’ll be working on, feel free to contact us at hr@nmi.nl. For more information about NMi, visit www.nmi.nl.