CAD Designer / 3D BIM Modeller

Company Description

BESIX Environment is an independent entity within the BESIX Group.  It is dedicated to developing, engineering, building, starting up & commissioning, operating & maintaining projects in the fields of water, sustainable energy, and hydrogen infrastructure. 

Our mission goes beyond technical excellence: BESIX Environment plays a pivotal role in advancing the Group’s sustainability strategy by integrating environmental responsibility into every phase of our projects.  

Our scope includes: 

• Process and MEICA (Mechanical, Electrical, Instrumentation, Control & Automation) expertise across water and energy infrastructure. 

• EPC delivery with the option of full O&M service contracts. 

• Sustainable water management, including waste water, water reuse,  process water, cooling water, ultrapure water, and potable water systems. 

• Energy recovery and circularity, through biomass and waste-to-energy plants using biochemical and thermal processes. 

• Hydrogen infrastructure, to support the transition to low-carbon energy systems. 

Job Description

We are seeking a skilled, DUTCH and ENGLISH speaking CAD Designer / 3D BIM Modeller to join our multi-disciplinary team, supporting the tendering and execution phase for  delivery of complex process and MEICA projects across water, wastewater, energy, and industrial sectors. The successful candidate will play a key role in developing accurate and coordinated 2D and 3D design models, ensuring compliance with project standards and BIM protocols.

As a CAD Designer / 3D BIM Modeller, you will be responsible for:

·  Develop and maintain 3D models and 2D drawings for process and MEICA systems using AutoCAD, Revit, Plant 3D, or similar design tools.

·  Produce P&ID’s (Piping & Instrumentation diagrammas)  for process and MEICA systems in coordination with the design engineers

·  Produce GA (General Arrangement) , fabrication  and installation drawings for mechanical, electrical, and instrumentation systems in coordination with the design engineers

·  Support BIM Level 2/3 project delivery by adhering to established BIM Execution Plans (BEPs) and Company CAD/BIM standards. meaning you will work within collaborative 3D design environments that follow international BIM standards (e.g. ISO 19650), ensuring that models and data are shared, coordinated, and managed across all project disciplines.

·  Work collaboratively with design engineers, project managers, and other discipline teams to coordinate models and resolve design clashes using tools such as Navisworks

·  Manage and update drawing registers, file naming conventions, and revision control in accordance with project documentation procedures.

·  Prepare and export models and drawings for client review, fabrication, and site installation.

·  Participate in design reviews, model coordination meetings, and BIM workshops.

·  Provide technical support and mentoring to junior CAD and BIM staff where required.

Qualifications

Essential:

• Proven experience with AutoCAD, Revit, Plant 3D, or similar 3D design software.
• Strong understanding of mechanical, electrical, and process engineering systems, ideally within water treatment, energy, or industrial process environments.
• Working knowledge of BIM principles
• Ability to produce accurate and coordinated design models and drawings.
• Collaborative mindset and effective communication in both Dutch and English (French is an asset).
• Proficient PC skills and knowledge of systems (MS Office, e.g. Excel, Outlook, Word, Teams, etc.)
• Education equivalent to a Graduaat (Associate Degree) or Professionele Bachelor in Mechanical, Electrical, or Building Services Engineering  (or equivalent by experience)

Desirable:

• Experience in water  and energy industry or process plant design projects.
• Familiarity with scan-to-BIM, laser survey data, or point cloud integration.
• Working knowledge of ISO 19650 standards

Additional Information

A career at BESIX is a lot more than just a job, it's about being part of our changing and innovat