Site Project Manager

Project Manager – Substation (HV/MV) – Mons, Belgium

Job Purpose

As part of an exciting company expansion project, Designer Group is seeking an experienced Project Manager to lead the delivery of a major substation supporting a new Data Centre development in Mons, Belgium. This is a high-profile project that requires proven expertise in high-voltage (HV) and medium-voltage (MV) electrical systems and substation construction.

About Our Company

Designer Group is a leading international mechanical & electrical provider specialising in turnkey packages for the design, supply, and installation of M&E services. Headquartered in Dublin, we employ over 1,000 experienced and dedicated colleagues worldwide. As an industry leader, we partner with some of the world's largest multinational companies to deliver ambitious, innovative, and sustainable engineering solutions.

Our people are the foundation of our success. We invest heavily in their professional development, creating a passionate and innovative team that delivers projects safely, efficiently, and to the highest standards.

Our work is guided by our core values: Safe | Trust | Respect | Challenge | Deliver

The Role

The Project Manager will have full responsibility for delivering the substation project on time, within budget, and to the highest quality and safety standards. You will lead a multi-disciplinary team and manage all aspects of the build, including design coordination, procurement, contractor management, commissioning, and handover. Your expertise in HV/MV systems and substation works will be critical to the project's success.

Key Responsibilities

• Lead the project from mobilisation through to commissioning and client handover.
• Oversee all substation-related construction activities, ensuring compliance with HV/MV industry standards and best practices.
• Manage the design development process, including coordination with electrical engineers and HV/MV specialists.
• Drive project scheduling, budget control, and commercial management in collaboration with the Project QS.
• Manage procurement of HV/MV equipment, switchgear, transformers, and associated systems.
• Ensure all works meet contractual specifications, technical standards, and client requirements.
• Implement robust health, safety, and environmental procedures in line with DG policies and local regulations.
• Conduct regular site inspections, progress meetings, and reporting to senior management.
• Oversee testing, commissioning, and energisation of HV/MV systems.
• Maintain strong stakeholder relationships with the client, supply chain, and internal teams.

Qualifications and Experience

• Minimum 5–10 years’ experience in a Project Management role within the M&E or power infrastructure sector.
• Proven track record delivering substation projects and HV/MV installations.
• Strong knowledge of electrical infrastructure standards, grid connection requirements, and commissioning processes.
• Excellent leadership and team management skills.
• Strong commercial awareness and contract management experience.
• Ability to work in Belgium, with fluency in English (French is an advantage).

Application Process

If you have the HV/MV expertise to lead this exciting substation project in Mons and want to be part of a company delivering landmark engineering solutions, we’d love to hear from you. Apply today to join a team where your skills will make a real impact.

Designer Group is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.