Croonwolter&dros | Mobilis
About us
Croonwolter&dros and Mobilis are TBI companies that join forces in the water sector, among other areas. What does Croonwolter&dros do in the water sector? Water purification requires technology that works reliably. Whether it's purifying sewage or supplying clean drinking water, Croonwolter&dros provides reliable systems behind the scenes. With smart electrical engineering, advanced process automation, and robust IT solutions, we make water treatment plants future-proof. We do this by applying innovations and ensuring they comply with the latest laws and regulations. This guarantees continuity, safety, and room for innovation.
What does Mobilis do in the water sector? Mobilis handles the civil engineering design, the construction of the water treatment plant, and the integrated project management.
Products
Modular and adaptive construction of wastewater treatment plants
With modular civil engineering (such as above-ground, plug-and-play modules), we shorten construction times, increase flexibility, and enable the reuse of components. This results in faster completion, less disruption to operations, and a higher circularity score.
Construction team 2 phases: faster from design to implementation
We organize projects integrally within a construction team: clients and contractors connect their teams from day one. This allows us to share knowledge, identify risks early, and arrive at feasible, sustainable choices with control over the Total Cost of Ownership, as demonstrated in recent water projects.
2-phase approach in construction practice at Mobilis
The foundation of the two-phase approach is organizing differently and collaborating intelligently on a construction project. Collaboration is a verb and doesn't happen automatically. Collaboration revolves around working efficiently, strengthening each other, learning the ability, and focusing on shared goals.
Z-info
Z-info: the standard in the purification world Our close collaboration with the water boards led to the development of the Z-info information and reporting system, which has now become the standard in the purification world. Z-info processes all unstructured data, such as flow rates, sampling, energy consumption and sludge transports, and processes this into presentable information and customized reports.
Process Automation and Information Technology (TAI)
Industrial companies want to maximize the availability of assets and exclude disruptions as much as possible. Also, to be able to better coordinate supply and demand, shorten the time-to-market and better traceability. The key? Smart, data-driven process automation. We at TAI are happy to put the key in your hands.
Survey and Inspection
A safe working environment and an undisturbed business processes. These are certainties that organizations want. When it comes to (electrical) technical installations and assets, Croonwolter&dros Survey and Inspection (CSI) offers you these guarantees in various markets.
High Voltage
Continuity is the key here. With extensive experience in all high-voltage levels, Croonwolter&dros is your partner. For advice, extensions, modifications and newly build, but also for management and maintenance.
High End Security
Whether it concerns buildings with an average or a high risk profile and environments where privacy is important, Croonwolter&dros always discusses with you which solutions best suit the organization. At Croonwolter&dros we have more than 140 years of experience in Security. We know the issues you are facing.
Heat Tracing
To always keep systems at the right temperature, Croonwolter&dros has been using Electrical Heat Tracing for various customers for more than 70 years. We use this maintenance-friendly and efficient method to bring and maintain pipelines, tanks, surfaces and other assets at exactly the right temperature in various markets such as the (petro)chemical industry.
Cyber Security (CS2) solutions
Croonwolter&dros supports companies to effectively secure their operational systems. Through a risk inventory, cyber risks are identified and appropriate control measures are defined.
ATEX
Expertise is of the utmost importance in potentially explosive environments. This expertise is however rare. Croonwolter&dros holds a pioneering position in this field in the Netherlands. We train our technicians to work according to the ATEX guidelines.
Artificial Intelligence, self-learning systems, virtual reality
Croonwolter&dros is a system integrator of groundbreaking, data-driven technologies. We have been using things such as artificial intelligence, self-learning systems and virtual reality for years. In this way we make more possible every day.
Modular construction - The accelerator of the energy transition
With smart installation components in which all functions and solutions have already been designed, built and tested in advance. We deliver customized solutions by cleverly combining standardized modules. The industry applies modular construction, among other things, to control parts for a high-voltage power station or a water purification plant.
working together in construction team
We can also realize projects as part of a construction team. From the Water Purification Alliance (WZA), we work together with the client in a unique way. The essence of integrated collaboration is literally connecting our people and teams with the people and teams of our customers.
Technical Automation & Informatization in the water market
Croonwolter&dros is the partner for advice, design, construction and maintenance of industrial automation and electrical and mechanical installations. In addition, we are realizing more and more ICT applications, such as the Z-info system, which is used nationally in the purification market. Smart Asset Management is also part of our service package.
Alarm management.
Thanks to Alarm Management algorithms, you get more return from your alarm data and your operators. It reduces business risk, increases efficiency, profitability and business flexibility, and improves your safety and compliance governance.
News
Job ads
Werkvoorbereider
At Mobilis, as a Work Planner, you have the opportunity to make a real impact on challenging projects: from improving infrastructure and delivering smart solutions for the energy transition to innovative techniques in water treatment. Whether you are just starting or already experienced, you can grow and make a difference with us. As a Work Planner, you are the link between design, execution, and delivery. You ensure everything is in order, from work methods and schedules to procurement, administration, and safety. You collaborate with colleagues, suppliers, and subcontractors, monitor progress, quality, and costs, identify opportunities and risks, and contribute to a safe, sustainable, and efficient execution. No two days are the same: one day you work on planning, the next you solve issues on site, always focused on successful project delivery.
BIM Regisseur
Do you have extensive experience with BIM and want to apply your knowledge and leadership to challenging civil projects? As a BIM Director at Mobilis, you guide the BIM approach at both program and project level. You act as a strategic partner and connector, set goals, define frameworks, and ensure BIM is embedded in contracts and work agreements. You hold a regional role, creating and monitoring BIM management and execution plans, overseeing progress and quality, and ensuring that design and construction teams collaborate effectively. You inspire colleagues and partners to make a difference with BIM. As an experienced professional, you translate the latest BIM developments and digital standards into practical applications across water or energy PMC’s and large infrastructure projects. You make BIM more than just a tool – it becomes a way of working that adds value for everyone.
Projectcoördinator
At Mobilis, as a Project Coordinator, you make a real impact. You work on iconic projects across the Netherlands, from improving infrastructure, smart solutions for the energy transition, to innovative water treatment techniques. You are the core of the team, ensuring smooth and sustainable execution, monitoring quality and budgets, and promoting innovation. Starters can learn and grow, while experienced colleagues share expertise and coach the team. You ensure each project phase runs efficiently and in a structured way. You coordinate with clients, suppliers, subcontractors, and all disciplines. You keep reports and schedules up to date, review technical specifications, quantities, and offers within contract and design frameworks, monitor budgets, flag contract changes, organize the WBS, and safeguard processes, risks, and quality. Safety is always a top priority.
BIM coördinator
We are looking for a BIM Coordinator to strengthen our department and further develop and professionalize BIM. You will ensure an integrated and coordinated design on projects. At Mobilis, we work daily on projects that make a visible difference: bridges, locks, roads, and stations. As a BIM Coordinator, you connect digital models with practice, enabling the team to build on reliable information and smart solutions. You bring structure and clarity to the digital environment, maintain oversight, connect disciplines, and identify potential issues early. You integrate systems and discipline models, monitor data quality, create 3D coordination models, organize communication, and manage the ACC environment and document flows in accordance with NEN 19650. Within projects, you are the main point of contact for BIM coordination and work closely with BIM managers, designers, planners, and technical specialists to elevate projects to the next level.
Projectplanner
Are you an experienced Project Planner with an eye for detail and a passion for large-scale civil projects? In this role, you will create, monitor, and optimize integrated project schedules using tools such as Primavera P6 and MS Project. You analyze progress, identify risks, and provide recommendations for improvements. You coordinate planning activities across disciplines, support tenders, and ensure projects are delivered on time, within budget, and to the required quality. Collaboration with project managers and stakeholders is crucial. Your responsibilities include: • Creating and managing integrated project schedules in Primavera P6 and MS Project. • Analyzing and reporting progress, bottlenecks, and risks. • Conducting scenario analyses and advising on optimizations. • Coordinating planning activities across disciplines and stakeholders. • Identifying deviations and proposing mitigating measures. • Supporting the planning of tenders and cost estimates.
Projectcontroller
As a Project Controller, you will join the Finance and Project Control department. The department consists of a team of 20 professionals, where there is room not only for regular technical alignment but also for personal development. In this role, you are responsible for executing and leading project monitoring. Using data and information from the project team, you navigate together with the project manager toward an accurate end-of-project financial forecast, including the associated risk profile. You act as a financial sparring partner within these multidisciplinary projects.
Financial Controller
As a Financial Controller at Mobilis, you are responsible for executing and leading the planning and control process. From our Apeldoorn office, and occasionally Rotterdam, you ensure that financial policies are implemented and that up-to-date management information is available. You work closely with colleagues from Finance, Project Control, and other departments. What will you do? • Advise the management team on financial policy and contribute to solid financial operations. • Develop financial policies together with the department head, including KPIs, reports, and analyses. • Execute the planning and control cycle, prepare budgets, and provide reports. • Support audits and tax filings in compliance with laws and regulations. • Contribute to setting up and monitoring (project) administrative processes and optimize working capital. • Communicate proactively and continuously work on improving processes and results.
Hoofduitvoerder Civiel
As Head Civil Supervisor, you are responsible for independently organizing, coordinating, and managing the execution teams and subcontractors. You make decisions regarding equipment and personnel deployment as well as material supply, ensuring that projects are executed safely, on time, and to the highest quality within the agreed budget. Your input in the project’s early phase is also very important, particularly regarding current contract forms such as design & build teams or the two-phase approach. Thanks to your awareness of safety and quality, your technical expertise, attention to detail, and communication skills, you know how to motivate and convince your team. You work closely within a project team alongside work preparation and project management, driven by the goal of delivering projects that exceed client expectations.
Manager Procesbeheersing
As a Process Manager, you are active on one or more of our projects and will help develop the work structures for these projects. You are responsible for setting up, organizing, and structuring project control across various projects. Your responsibilities include: • Leading the teams for configuration management, verification & validation, process coordination, project delivery, and document management. • Aligning evidence and compliance data with the client. • Ensuring the right balance between traceability and the progress and risks of the primary process. • Monitoring the scope of the initial contract, including assessing any additional changes. • Co-responsible for implementing, embedding, and maintaining efficient and effective integrated work processes. • Ensuring smooth delivery in coordination with the client, stakeholders, and managers.
Projectleider Civiel
As a Project Manager at Mobilis, you are responsible for guiding the entire project, from the initial design to the final delivery. You put the client at the center and are present at the critical moments. In short, you are a builder who knows how to connect people and processes! You are able to manage multiple projects simultaneously, are open, and dare to make decisions at the right time. In addition, you have a commercial sense and recognize opportunities when they arise. You maintain good contact with the client and truly understand what they need. At Mobilis, we offer a diverse range of projects where you, as a project manager, can make your contribution. This variety provides ample opportunities for personal development and career growth.
Service software engineer
As a Service Software Engineer, you ensure that infrastructure, water authorities, and energy transitions keep running smoothly. You act as the point of contact for malfunctions and work on service and maintenance according to SLAs. Together with colleagues and clients, you coordinate daily to ensure smooth operations. You program software based on customer requirements, reconfigure control installations, and commission them. Additionally, you identify and record extra or reduced work and contribute to multidisciplinary projects where automation is central. https://werkenbij.croonwolterendros.nl/vacatures/service-software-engineer-1084098 https://werkenbij.croonwolterendros.nl/vacatures/service-software-engineer-1084310
Applicatie Engineer
From a paint factory to a movable bridge, every system can rely on Croonwolter&dros for the development of control or operational systems. You will work on applications developed for a wide range of uses across different projects. What will your tasks include? • Coordinating your work with your team and lead engineer. • Developing software based on the design. • Resolving issues identified by the testing team. • Commissioning the software you have developed. https://werkenbij.croonwolterendros.nl/vacatures/applicatie-engineer-1083680
Software Engineer
Whether you are designing control systems for tunnels, operational software for bridges, or an app that allows service technicians to locate faults, you build the software together with your team. As a specialist in your field, you are responsible for the following tasks: • Creating technical designs and reviewing designs from colleagues. • Being the go-to person for colleagues with specialized technical questions. • Being closely involved in the design process and actively contributing. • Ensuring thorough development of the design and implementing the software. https://werkenbij.croonwolterendros.nl/vacatures/software-engineer-1091576
Projectcoördinator
As a Project Coordinator, you work on the construction and renovation of bridges, tunnels, locks, flood defenses, pumping stations, and water treatment plants. These are some of the most complex projects within Dutch infrastructure and water authorities. Within large, multidisciplinary projects, you are responsible as coordinator for one or more subprojects. You collaborate with colleagues in project management, work preparation, and assembly, and coordinate with partners, subcontractors, suppliers, and the client. You maintain overview, adjust as needed, and work with your project team towards a successful completion. As a Project Coordinator, you usually work with a fixed team on one or at most two projects at a time. You can work on site, at head office, from home, or at one of our partners’ offices. You are flexible in your work but ensure together with your team that your part of the project is successfully completed. Interested? Contact Miro Krapels M +31 6 51056289
Engineer
As an Engineer at Croonwolter&dros, you work on multidisciplinary installation engineering infrastructure and water projects. You translate customer requirements into specific technical components and are a point of contact for both colleagues and external stakeholders. In terms of content, these projects always focus on the construction and management of bridges, tunnels, locks, flood defenses, pumping stations and water treatment plants. Realizing energy neutral water treatment plants that comply with new European legislation, renovating lock complexes or renewing the control systems of movable bridges are just a few examples of the projects you may work on. The design department is the beating heart of the Infra Division. The department consists of approximately 60 FTE including modelers, engineers and design leads. A mix of many competencies and experiences. Interested? Contact Miro Krapels M +31 6 51056289 | miro.krapels@croonwolterendros.nl