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BESIX

Builds infrastructure and develops property

Technical Manager - Energy Storage and PV Generation

Full-TimePosted on 10/21/2026
No salary listed
Senior
Bachelor's, Master's
Brussels, Belgium
In PersonTravel within Europe for short periods, with on-site presence depending on project phase.
Electrical EngineeringPower Systems Engineering

About the job

Requirements
  • An engineering degree or a master's degree in electrical engineering, renewable energy, or a related technical discipline.
  • At least 5 years of hands-on project management experience related to energy storage, energy generation, or electrical systems.
  • In-depth knowledge of photovoltaic and battery energy storage system technologies, power converters, and grid architectures in the energy, power generation, or industrial infrastructure sector.
  • Knowledge of current regulations and standards in energy storage.
  • Fluent in English.
  • Willingness to travel within Europe for short periods and be on-site depending on project phase.
Responsibilities
  • Lead technical review, planning, engineering, procurement, construction, commissioning, and start-up of small- to large-scale photovoltaic and battery energy storage system projects.
  • Analyze specifications and oversee technical feasibility studies for photovoltaic and battery energy storage system projects; review project design and implementation.
  • Recommend and validate energy storage system sizing and photovoltaic plans and their integration into power grids.
  • Serve as the primary technical project interface among clients, contractors, suppliers, and internal stakeholders in Design, Build, Own & Operate projects.
  • Collect regular capital expenditure and operating expenditure estimates to support project development and acquisition decisions.
  • Ensure compliance with applicable industry standards, regulations, environmental requirements, and health, safety, and environment policies.
  • Work closely with the BESIX Power Director and team members active in project development, finance, and legal functions.
  • Work safely and ensure others work under safe conditions while respecting social and environmental regulations.
Desired Qualifications
  • Knowledge of French or Dutch.
  • A proven track record of successfully delivering small- to medium-scale energy generation projects, with strong knowledge of engineering, procurement, and construction and/or multi-lot project execution.

About the company

BESIX Group builds complex buildings, civil infrastructure and marine works for public and private clients. Its construction teams deliver high-rise and industrial buildings, roads, tunnels, bridges, utilities and water-related projects across Europe, the Middle East, Africa and Australia. Flagship examples include the Burj Khalifa in Dubai, the Grand Egyptian Museum in Cairo and the Oosterweel Link in Antwerp. Its contracting business earns project revenue, while selected public-private partnerships include financing and operation as well as construction and maintenance services. Founded in 1909, BESIX Group is headquartered in Sint-Lambrechts-Woluwe, Brussels, Belgium.

Company Size

10,001+

Company Stage

N/A

Total Funding

N/A

Headquarters

Woluwe, Belgium

Founded

1909

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Simplify's Take

What believers are saying

  • Future assignments have contracted backing: BESIX's May 2026 results showed a EUR 6.7 billion year-end order book.
  • Employees have formal learning routes: BESIX targets five annual training days and lists 150-plus courses alongside its technical academies.
  • Brussels work gains another project: BESIX's September 2026 The Fifty Six redevelopment contract covers 18,000 square metres, due spring 2028.

What critics are saying

  • Site safety remains critical: BESIX reported three 2025 fatalities in May 2026, two employees and one subcontractor.
  • Property development slowed: a May 2026 report linked BESIX RED's lower 2025 turnover to cost inflation and lengthy permits.
  • Relocation has lasted years: one BESIX plant manager described 17 years with the group abroad.

What makes BESIX unique

  • Property and investment operate separately: BESIX gives each its own division alongside construction and specialist affiliates.
  • Design stays close to construction: BESIX keeps soil engineering, concrete technology and digital construction modelling in-house.
  • Specialist businesses broaden project scope: BESIX combines Franki foundations, Socogetra roads and Unitec utilities with regional contractors.

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