Source:
Publication date: 03/09/2026
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 expertise across water and energy infrastructure.
- EPC delivery with the option of full O&M service contracts.
- Sustainable water management, including 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.
Role overview
The trilingual ( DUTCH (NL) -FRENCH-ENGLISH ) ELECTRO-MECHANICAL SITE SUPERVISOR is responsible for the end-to-end execution on-site of the electro- mechanical scope of projects, including mounting of mechanical and electro-mechanical equipment, piping systems, valves and metallic structures. The role ensures compliance with technical specifications, planning, budgetary constraints and quality standards (QA/QC).
This person reports to the Design Coordinator and the Project Manager / Construction Manager and works closely with internal disciplines, subcontractors and external partners to ensure full client satisfaction.
Soft skills
- Strong communication and coordination skills
- Commercial awareness
- Managerial and people skills
- Team player with hands-on mentality
Languages
- Fluent in English, French and Dutch. These requirements are a must.
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 expertise across water and energy infrastructure.
- EPC delivery with the option of full O&M service contracts.
- Sustainable water management, including 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.
Role overview
The trilingual ( DUTCH (NL) -FRENCH-ENGLISH ) ELECTRO-MECHANICAL SITE SUPERVISOR is responsible for the end-to-end execution on-site of the electro- mechanical scope of projects, including mounting of mechanical and electro-mechanical equipment, piping systems, valves and metallic structures. The role ensures compliance with technical specifications, planning, budgetary constraints and quality standards (QA/QC).
This person reports to the Design Coordinator and the Project Manager / Construction Manager and works closely with internal disciplines, subcontractors and external partners to ensure full client satisfaction.
Soft skills
- Strong communication and coordination skills
- Commercial awareness
- Managerial and people skills
- Team player with hands-on mentality
Languages
- Fluent in English, French and Dutch. These requirements are a must.
Responsibilities
Follow up and coordinate design activities (3D modelling, consultants, clients, partners) for piping; Ensure compliance with specifications, schedules, constructability and maintainability; Identify piping clashes and coordinate technical solutions with civil works; Prepare and issue RFQs for piping and mechanical equipment; Follow up execution design (stress calculations, thermal expansion, supports) and QA/QC; Review equipment datasheets with equipment specialists; Evaluate technical and commercial offers and provide recommendations; Define final pricing and contribute to the project risk matrix; Perform final compliance checks of selected suppliers; Prepare and negotiate purchase orders; Coordinate technical approvals; Issue final purchase orders; Follow up detailed engineering and fabrication; Attend FATs, issue reports and follow up corrective actions; Follow up on-site deliveries and corrective actions; Supervise equipment installation; Ensure QA/QC compliance; Monitor PED directive compliance (welding, tests, pressure testing); Issue and close non-conformities; Support start-up and commissioning; Monitor planning, budget, variations and claims; Coordinate with process, electrical, instrumentation and civil disciplinesRequirements
Bachelor’s degree in Mechanical or Electro-mechanical Engineering or equivalent experience; 5–10 years of experience in a similar environment; Solid knowledge of mechanical equipment and piping; Basic knowledge of hydraulics, electricity and instrumentation; Experience in water treatment is an assetBenefits
An attractive remuneration package including a salary in line with the market and a range of employee benefits such as flexible mobility advantages, extra-legal pension, medical care insurance, work-life balance program (such as teleworking, flexible work schedule, mobile working), Health Management (sport, health check-up program, …),; Career development programs that serve not only to ensure that you are constantly learning and improving but also that give you the possibility to expand your career horizon,; A dynamic, creative and safe working environment with innovative colleagues supporting your endeavors (ideas, projects, goals, ambitions),; Possibility to work on complex projects within both a local and international environment,; The choice to remain locally anchored for the coming years or to seek an exciting international career opportunity within the group.How to apply
Apply online: https://www.jobs.pl/en/oferta/100095386/aplikuj
JOBS.pl · https://www.jobs.pl/en/site-supervisor-piping-mechanical-engineer-oferta-100095386

















