Project Leader High-Voltage Cable Infrastructure

Aventa; Brussel Hoofdstad; On-site; EUR 70,000 - 110,000; Full time

Job summary

Aventa is seeking a Project Leader for HV Cable Infrastructure in Brussels to lead electrical infrastructure projects from scoping through to closeout. The role covers design, procurement, site execution and reporting within a Belgian context and a structured onboarding program.

Junior to mid-level candidates with a degree in engineering and an interest in energy transition will be considered. The position is a freelance consultancy with full-time commitments and a clear career development path.

Qualifications

• Master's degree in electrical engineering or related field.
• First professional experience post-degree required; open to junior to mid-level profiles.
• Exposure to high-voltage cable projects or infrastructure is valued but not mandatory.

Responsibilities

• Project ownership from definition to administrative closure across the full lifecycle.
• Lead technical studies in support of project execution: cable sizing, routing, and civil interfaces.
• Develop tender dossiers for cables, civil works, and installation contracts.
• Coordinate on-site execution with client teams, contractors, and external partners.
• Communicate progress and deliver status reports to stakeholders and management.

Education

Master's degree in electrical engineering / electromechanical / civil / mechanical engineering or equivalent

Job description

Project Leader High-Voltage Cable Infrastructure

Published on September 9, 2026

Project Snapshot

Location: Brussels

Contract type: Freelance consultancy full-time

Compensation: Competitive

End date = 31/12/2027

Profile: Junior to mid-level first professional experience post-degree required

Languages: Dutch: perfect mandatory | French: knowledge of the other national language is a strong asset | English: working proficiency

Description

Context

The client is the Belgian high-voltage transmission system operator, responsible for transporting electricity at 380, 220, 150, 70, and 36 kV across the country and playing a central role in the Belgian and European energy transition. As part of the The client Group a European TSO The client Belgium manages a growing portfolio of infrastructure investment programmes designed to support the decarbonisation of the economy, reinforce cross-border interconnections, and ensure the long-term reliability of the Belgian power system.

The Project Leader HV Cable Infrastructure joins the client Engineering and is responsible for leading and delivering electrical infrastructure projects involving underground and/or submarine HV cables at 36, 70, 150, 220, and 380 kV. The role covers the full project lifecycle: from initial scoping and feasibility through engineering, procurement, site execution, and administrative closure. Depending on the candidate's level of experience, tasks will be carried out autonomously or with support from senior colleagues The client Belgium runs an extensive internal training and mentoring programme.

Required Qualification

Responsibilities

Project ownership full lifecycle

Lead assigned cable infrastructure projects from definition through to administrative closure covering scoping, feasibility study, engineering, procurement, execution, and closeout

Ensure that projects are delivered on time, within budget, and to the required technical standards maintaining continuous visibility for management on status, risks, and deviations

Develop and maintain project budgets and planning schedules taking into account required and available resources and client priorities

Engineering and technical studies

Carry out or coordinate technical studies in support of project execution cable sizing, routing, laying methodology, civil works interfaces, protection and relay coordination

Review and validate technical documentation produced by contractors, suppliers, and engineering teams ensure compliance with the client technical specifications and applicable standards

Procurement and contract management

Develop tender dossiers for cable supply, civil works, and installation contracts define technical requirements, commercial terms, and evaluation criteria

Participate in the procurement process from tender launch through to contractor/supplier selection provide technical support to the purchasing function

Site coordination and works supervision

Lead and coordinate on-site execution in collaboration with the client internal teams (operations, protection, asset management), contractors, suppliers, and client-side stakeholders

Ensure quality and safety standards are applied throughout site activities enforce the client QHSE requirements and escal...

Communication and reporting

Communicate project progress clearly and regularly to all relevant stakeholders internal teams, management, clients, and external partners

Prepare and deliver project status reports, milestone updates, and closeout documentation

Requirements

Education

Master's degree in electrical engineering, electromechanical engineering, civil engineering, or mechanical engineering or equivalent

Experience

A first professional experience following graduation is required. The role is open to junior candidates (recent graduates with an internship or first position) as well as mid-level profiles with several years of project experience in HV infrastructure. The client Belgium has a structured onboarding and training programme to support candidates who are new to the transmission network environment.

Prior exposure to high-voltage cable projects, underground cable installation, or electrical infrastructure works is valued but not mandatory

Languages

Dutch: perfect command mandatory. The role sits within a Dutch-speaking team and day-to-day operations are conducted in Dutch.

French: knowledge of the other national language is a strong asset for interactions with French-speaking colleagues, clients, and external partners.

English: working proficiency for technical documentation and international supplier interfaces.

Profile

Strong sense of responsibility and ownership the Project Leader is accountable for the full delivery of assigned projects from day one, with escalation support available

Organised and structured able to manage multiple concurrent workstreams, deadlines, and stakeholder interfaces without losing sight of the overall project picture

Assertive communicator comfortable engaging with contractors, suppliers, and internal stakeholders; able to represent the client's interests in external-facing interactions

Team player and collaborative The client projects involve multiple internal functions and external partners; the ability to work constructively within a multidisciplinary team is essential

Genuine interest in the energy sector and in infrastructure that supports the energy transition

Non‑EU candidates: must hold a valid Belgian work permit and residence permit at time of engagement