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Commercial Leader – Rental Solutions (Water & Wastewater)

Wespelaar, Belgium

Employee

Location: Belgium (HQ based) with European scope
Scope: Global/European responsibility – Rental Business
Contract: Full-time, permanent
Reporting line: Chief Commercial Officer
Travel: ±30–40% across Europe

At Waterleau, we design, build, and operate sustainable water and wastewater solutions that help industries and communities reduce their environmental footprint.

To accelerate our growth, we are building a dedicated Rental Solutions Business with containerized and mobile treatment units. We are looking for a Commercial Leader – Rental Solutions to develop this business into a top-three player in the European rental market.

This is a senior strategic commercial role with end-to-end ownership of market development, business planning, and commercial performance. While not a formal people management position, you will steer the rental business and orchestrate cross-functional teams across sales, product, operations, and marketing.

Your mission

You will design, launch, and scale our rental business across Europe by translating market demand into a high-performing fleet and profitable commercial model.

You will:

Define and execute the overall rental business strategy
Conduct market analysis and build the business plan and go-to-market strategy
Develop and deploy the rental fleet and branch structure
Identify and win new customers and partnerships
Act as the voice of the customer internally
Drive revenue growth, margin optimization, and customer satisfaction
Align closely with Business Development, Commercial Leaders, Product, and Marketing

What you bring

Master’s degree in Business, Engineering, or related field
8–12+ years of B2B commercial/business development experience
Experience in rental, equipment leasing, industrial solutions, or water/environmental technologies
Strong understanding of water & wastewater technologies (or ability to quickly acquire)
Proven track record in revenue growth and market expansion
Strategic thinker with hands-on execution capability
Data-driven and comfortable with analytics and performance dashboards
Strong negotiation and stakeholder management skills
Comfortable working across cultures and geographies

Success metrics (KPIs)

Customer satisfaction (NPS)
Time-to-market for rental offers
Annual recurring rental revenue
Added value/margin on rental business
Year-over-year growth

What we offer

Competitive base salary
Performance-based bonus
Company car or mobility budget
Hospitalization & group insurance
Meal vouchers & net allowances
Flexible/hybrid working
32+ days of leave
International exposure and high autonomy
The opportunity to build and scale a new business line

Why join us?

This is a unique opportunity to build a business almost from scratch within a well-established technology leader. You will combine strategy, entrepreneurship, and impact — contributing directly to more sustainable water management across Europe.

Interested?

Apply with your CV and motivation letter.
We value diversity and encourage candidates from all backgrounds to apply.

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Customer Service Specialist

Wespelaar, Belgium

Employee

Waterleau is a global and leading water Technology Company committed to protect the eco-system.

As a growing company, Waterleau is always looking for enthusiastic professionals who want to work in an environment full of revolutionary technology.

The Customer Services department is responsible for the handling of spare parts for our installations worldwide.

As a Customer Service Specialist you will be part of an enthusiastic and committed team. You are the link between the customer and various departments within and outside the Waterleau Group. You guarantee quality service from customer requests to delivery of spare parts with respect for deadlines.

Key Responsibilities

Serve as the primary point of contact for customers, ensuring prompt and high-quality responses to inquiries regarding spare parts, pricing, and delivery schedules.
Prepare and follow up on quotations by leveraging sales and technical expertise to meet customer needs effectively.
Manage the end-to-end process of contract and order management, including reviewing contract terms, ensuring compliance, and addressing any contractual obligations.
Oversee the complete administrative processing of sales orders, purchase orders, and invoicing to ensure smooth operations.
Support the logistics department by providing essential shipping documentation such as certificates, technical documents, safety sheets, etc.
Maintain and update customer records, ensuring accurate account information.
Act as a dedicated Waterleau ambassador demonstrating a customer-centric approach and a commitment to exceeding expectations.

Qualifications & Skills

Strong communication skills with a customer-focused mindset.
Excellent organizational abilities and attention to detail.
Proficiency in contract management and administrative processes.
Knowledge of sales processes and technical affinity to spare parts.
Ability to work collaboratively across departments to ensure seamless service delivery.
Strong work ethic, eager to learn and a team player.
Knowledge of SAP/S4Hana & CRM is a plus.

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Mobile Operator

Wespelaar, Belgium

Employee

Mobile Operator

Head Office, Wespelaar (Haacht) - Belgium

At Waterleau, we’re on a mission to protect our planet’s ecosystem through cutting-edge water technology. As a global leader in sustainable water solutions, we’re expanding fast — and we’re looking for passionate, hands-on professionals who want to make a tangible impact in a world of innovation and environmental purpose.

Your Role: Mobile Operator – Europe

Based from our headquarters in Haacht (Wespelaar, Belgium), you’ll be part of our Optimization & Operations (O&O) division, supporting and managing service-level agreements (SLAs) across our European Business Unit. Your work will ensure that wastewater treatment plants run safely, efficiently, and in full compliance with environmental standards.

You’ll be the key operational link between our clients, technology, and the planet — helping to deliver reliable, high-quality service wherever it’s needed.

What You’ll Do

Monitor daily operations of wastewater treatment plants to ensure top-quality performance.
Conduct regular equipment checks and preventive maintenance to keep systems running optimally.
Serve as the first point of contact for customers, ensuring smooth communication and fast issue resolution.
Respond swiftly to breakdowns, spills, or system failures to minimize environmental impact.
Clean, calibrate, and maintain sensors and instruments for accurate measurements.
Install, dismantle, and relocate mobile treatment units as projects require.
Collect and test water samples, documenting and reporting all results accurately.

What You Bring

A strong foundation in mechanics, electricity, and instrumentation.
Experience in (automated) production or industrial environments.
A proactive, hands-on mindset and the flexibility to adapt to different on-site situations.
Strong communication skills — fluent in English; Dutch and French are a plus.
A responsible and solution-oriented attitude, whether working independently or in a team.
A readiness to travel and be on standby when project needs arise.
Experience in the water industry is a plus — but a genuine passion for sustainability is essential.

What We Offer

A chance to contribute directly to a cleaner planet through meaningful work.
Exposure to diverse water projects across the globe.
Ongoing training and development opportunities to grow your technical and operational expertise.
A competitive salary package with attractive benefits.
A supportive and international company culture focused on innovation, teamwork, and sustainability.

Ready to make clean water your mission?
Join Waterleau and help us turn technology into a force for a cleaner, greener world.

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Operational Technology Engineer

Wespelaar, Belgium

Employee

We are looking for a proactive and innovative Automation Engineer to support our digital transformation initiatives in the water and wastewater sector. The ideal candidate will have a solid background in automation engineering, combined with knowledge of IT systems and data, and be passionate about bridging OT and IT environments.

This role focuses on the development and deployment of automation products, implementation of edge computing solutions, and active involvement in further developing a digital platform for real-time data visualization, process optimization (including digital twin development).

Key Responsibilities:

Design, program, and implement OT infrastructures and solutions for water treatment, including PLCs, SCADA
Design, implement, and maintain IoT and MQTT communication architectures in water treatment environments
Integrate sensor data, industrial protocols, and cloud-based solutions to enhance data collection and visibility
Contribute to the development of modular and standardized automation products.
Collaborate from an OT perspective in the further development and rollout of a digital platform for real-time monitoring, historical data visualization, and system optimization.
Collaborate with IT and cybersecurity teams to ensure secure and scalable OT systems.
Ensure robust integration between OT assets (SCADA, PLCs, sensors) and IT systems (databases, cloud platforms, web interfaces).
Implement and manage secure, high-availability data communication protocols, including OPC UA, MQTT.
Provide assistance for commissioning, testing, and optimization of control systems across treatment plants.
Troubleshoot and support existing OT systems, identifying and resolving communicatio or performance issues.
Stay current with emerging technologies in the IoT, cybersecurity, and smart water infrastructure domains.
Work with cross-functional teams to drive Industry 4.0 initiatives and digital transformation efforts.

Education & Experience:

Bachelor’s or Master’s degree in Automation
3+ years of hands-on experience in industrial automation, preferably in the water or utilities sector.

Technical Skills:

Minimal bachelor's degree in Electrical Engineering, Computer Science, Industrial Automation, or a related field.
Knowledge of MQTT, OPC UA, Profinet, and other industrial communication protocols.
Hands-on experience with SCADA systems, PLC programming, and industrial networking.
Familiarity with edge computing, cloud integration, and data analytics platforms.
Understanding of cybersecurity best practices in OT environments.
Strong troubleshooting and problem-solving skills.
Experience with Python, SQL, or other data-handling technologies is a plus

Nice to have skills:

Knowledge of machine learning and AI applications in industrial settings.
Exposure to containerization (Docker)

Soft Skills:

Strong analytical and systems-thinking mindset.
Ability to work collaboratively across multidisciplinary teams (operations, IT, engineering, planning).
Excellent communication and documentation skills.

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Sales Engineer

Dendermonde, Belgium

Employee

The Sales Engineer plays a key role in developing and maintaining customer relationships, identifying new opportunities, and ensuring successful project handover and execution.

Responsibilities

The role includes a blend of the following activities:

Actively identify and pursue new business opportunities (“hunter mentality”) while nurturing long-term partnerships with existing clients. Prepare offers, follow up on proposals, and ensure seamless handover to the execution teams.
Translate client needs into tailored technical and commercial solutions. Take proactive actions to safeguard project margins and deliver high-quality results that meet both customer and internal expectations.
Monitor account receivables, ensuring timely payments and healthy cash flow. Keep the CRM system (Salesforce) consistently updated and prepare regular sales and project performance reports.

Competences and Skills

Ability to build and maintain long-term customer relationships.
Strong negotiation and communication skills.
Background in electromechanical or industrial engineering.
Experience in technical sales, both in equipment and mounting activities.
Solid project management and problem-solving abilities.

Qualifications

Master’s or Bachelor’s degree in Industrial or Electromechanical Engineering (or equivalent).
Track record in technical sales or project-based environments.
Fluency in Dutch, French, and English.

What you can expect

A dynamic and innovative work environment within a globally recognized leader in water technology.
Opportunities for continuous learning and professional development.
A chance to work on impactful projects that contribute to sustainability and water conservation.

Are you ready to make a difference? Join Waterleau and help us shape the future of water technology!

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Talent Acquisition Specialist

Wespelaar, Belgium

Employee

The Talent Acquisition Specialist plays a pivotal role in attracting, engaging, and retaining top talent to support Waterleau’s growth and mission. As a trusted partner to business leaders and the CHRO, this role drives strategic recruitment initiatives, ensuring that each hire strengthens our organization and aligns with Waterleau’s values of innovation, collaboration, and sustainability.

Responsibilities

The role includes a mix of the following activities:

Strategic Recruitment & Workforce Planning

Act as a strategic partner to the CHRO and business leaders to anticipate and fulfill hiring needs.
Develop and execute recruitment strategies aligned with Waterleau’s business objectives.
Lead the full-cycle recruitment process—from sourcing and screening to interviewing and onboarding.

Candidate Engagement & Experience

Collaborate with hiring managers to define job requirements and candidate profiles.
Ensure a smooth and engaging candidate journey through transparent communication and efficient coordination.
Manage job postings, LinkedIn search projects, and marketing collaboration for maximum visibility.

Process Excellence & Data-Driven Improvement

Maintain and update the Applicant Tracking System (ATS) to ensure compliance and accurate reporting.
Monitor key recruitment metrics, analyze performance, and propose process improvements.
Implement tools and methodologies to enhance hiring quality and speed.

Employer Branding & Diversity

Drive employer branding initiatives that showcase Waterleau as an employer of choice.
Champion diversity and inclusion within all recruitment practices.
Represent Waterleau at industry events, career fairs, and networking opportunities.

Collaboration & Relationship Management

Build and maintain strong relationships with hiring managers, candidates, and preferred suppliers.
Coordinate salary proposals and contract preparation for selected candidates.
Provide training and guidance to managers on interview techniques and selection best practices.

Competences and Skills

Strong communication skills, with the ability to build trusted relationships.
Strategic mindset combined with a hands-on, solution-oriented approach.
Proficiency in talent acquisition tools, ATS systems, and recruitment analytics.
Experience in full-cycle recruitment across technical and corporate profiles.
Fluency in English

What you can expect

This position is offered on our payroll only: no freelance or external contracts.
A dynamic and innovative work environment within a globally recognized leader in water technology.
Opportunities for continuous learning and professional development.
A chance to work on impactful projects that contribute to sustainability and water conservation.

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Working at Waterleau

Jobs

What we do

Commercial Leader – Rental Solutions (Water & Wastewater)

Customer Service Specialist

Mobile Operator

Mobile Operator

Head Office, Wespelaar (Haacht) - Belgium

Operational Technology Engineer

Sales Engineer

Talent Acquisition Specialist