As Site Manager , you will take overall responsibility for the on-site execution of a major 110 kV AIS substation project , ensuring compliance with safety, quality, technical, contractual and scheduling requirements.
The project involves the installation and integration of 110/11.5 kV power transformers, MV switchboards, AIS equipment, protection and control systems, SCADA and substation automation systems .
Key Responsibilities:
- Manage all site construction activities from mobilisation through Mechanical Completion, Ready for Commissioning (RFC), Energisation and Final Handover .
- Coordinate civil, structural, high-voltage electrical, protection & control and commissioning activities .
- Supervise subcontractors, installation teams and multidisciplinary site operations, ensuring compliance with technical specifications and contractual obligations.
- Ensure effective site preparation, logistics, resource allocation and construction planning.
- Develop and monitor construction schedules, resource plans, progress reports and project KPIs.
- Coordinate engineering documentation, technical drawings and construction interfaces with engineering teams and the customer.
- Implement and enforce HSE policies, Zero Harm principles and QA/QC standards throughout project execution.
- Oversee Inspection & Test Plans (ITPs) , quality inspections and technical compliance.
- Manage project risks, subcontractor performance, contractual deviations and corrective actions.
- Coordinate Punch Lists, Non-Conformance Reports (NCRs) and close-out activities.
- Organise progress meetings and maintain effective communication with engineering, procurement, construction and commissioning teams.
- Report directly to the Construction Manager based in Grenoble, France .
- Minimum 15 years of experience in HV substation EPC construction projects .
- Strong background in Electromechanical or Electrical Engineering , with extensive knowledge of MV/HV substations and power systems.
- Proven experience managing construction activities on 110 kV AIS substations .
- Demonstrated ability to lead multidisciplinary construction teams and manage subcontractors.
- Strong understanding of IEC standards , electrical protection, control systems and substation construction requirements.
- Experience in construction scheduling, project coordination, quality assurance and HSE management.
- Knowledge of MS Project, AutoCAD, Microsoft Office or similar engineering/project management tools .
- H2V/B2V electrical accreditations or local equivalent .
- Excellent communication, organisational and leadership skills.
- Fluent English and French required .
- German is considered an advantage .
IOTA Group is an international engineering and technical assistance company supporting major industrial and energy projects worldwide.
For one of our leading partners in the energy and power transmission sector , we are seeking an experienced Site Manager – HV/MV Substations to oversee the construction and execution of a high-voltage electrical substation project in Frankfurt, Germany .
- Position: Site Manager – HV/MV Substations
- Location: Frankfurt am Main, Germany
- Working Schedule: Resident, 5 days per week
- Starting Date: 16 November 2026
- Duration: 6 months (renewable)
- Contract Type: Freelance or Contract
- Languages: English and French mandatory; German is a plus
- Travel: Occasional business trips to Grenoble, France