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MV / LV / BESS Engineer (M/F)

Fab GroupGirondeEURESpublished 09/02/2026
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Machine translation — original language: French.Show original

Within the National Engineering Hub, the Design Engineer works on all phases of technical studies for MV and LV electrical infrastructure projects carried out by the company, including battery energy storage systems (BESS) projects. They serve as a technical referent for the hub: they design, dimension, validate, and secure technical solutions, from the preliminary design phase through to commissioning support.

Our search is oriented towards a true high voltage expert, capable of becoming the technical reference in France. You will support internal design offices, purchasing teams, as well as operational management on all subjects related to your expertise. This position will occupy a strategic place within the company, with the prospect of structuring and developing a true expertise hub in the medium term.

Main Missions:

  • Perform and manage MV electrical studies (preliminary design, execution) for projects assigned to the hub.
  • Perform associated LV studies (distribution, auxiliaries, TGBT, essential services).
  • Contribute to Utility Scale BESS projects: integration, connection, and electrical architecture studies.
  • Act as a technical referent for business managers, site managers, and construction teams.
  • Guarantee the normative, regulatory, and contractual compliance of study deliverables.
  • Participate in operational phases: site visits, technical supervision, testing, commissioning.
  • Higher education Bac+5 (engineering school or university equivalent) with a focus on electrical engineering / electrical networks / energy.
  • Proven experience (minimum 5 years, ideally 8 years or more) in MV electrical studies/engineering, acquired in a design office, installation company, systems integrator, or engineering firm.
  • A background including a proven operational component: execution monitoring, site presence, testing, and commissioning.
  • Significant experience or exposure to RES projects (BESS/PV Utility Scale).
  • Mastery of MV design: architectures, protections, selectivity, Enedis/RTE connections.
  • Good competence in LV studies (dimensioning, calculation notes, NF C 15-100).
  • Knowledge of the BESS market and technologies: players, architectures, grid requirements.
  • Mastery of professional tools: Caneco HT/BT, AutoCAD; practice of electrical CAD tools (SEE Electrical or equivalent) is a plus.
  • Solid normative culture: NF C 13-100, NF C 13-200, NF C 15-100, Enedis/RTE frameworks, grid code documentation.
  • Operational technical English (supplier documentation and international BESS projects).