ENSIO Tech Stack

Infrastructure deployment specialist for digital and energy networks across France

Telecommunications Velizy Villacoublay 1,001–5,000 employees Founded 2008 Privately Held

ENSIO deploys telecom and electrical networks for mid-market and enterprise clients across France, with 1,000+ employees operating across 97 engineering and construction roles. The stack (AutoCAD, SEE Electrical, EPLAN, Ericsson, Huawei, Schneider Electric) reflects a field-heavy business anchored in network design and grid equipment; hiring velocity is accelerating toward construction and field engineering teams, signaling active project expansion in EV charging and high-speed broadband rollouts.

Tech Stack 27 technologies

Core StackAutoCAD Tableau Excel SEE Electrical Microsoft Office Google Sheets Google Drive Google Calendar Word Ericsson Huawei Teams Outlook SharePoint Gmail 5G EPLAN Microsoft 365 PowerPoint Schneider Electric Sungrow Atlas MapInfo QGIS OneDrive Google Workspace DIALux

What ENSIO Is Building

◆Challenges

Maintaining reliability of electric charging stations
Ensuring project profitability
Deploying electrical distribution network
Reducing workplace accidents
Optimizing client payment delays
Gestion des imprévus
Billing accuracy
Optimisation des coûts
High volume daily calls
Quality compliance

▲Active Projects

Deploying electrical distribution network
Deployment of irve charging stations 7-300 kw
Installation of electric charging stations
Déployer le réseau de distribution électrique
Construction of tg aerial electrical network near rousset
Construction of electrical networks in gironde
Infrastructures de recharge de véhicules électriques
High-speed network deployment
Déploiement de réseaux très haut débit
Optical network deployment

Hiring Activity

Accelerating180 roles · 95 in 30d

Department

Engineering

Construction

Ops

Sales

Finance

Logistics

Security

Support

Seniority

Mid

Junior

Senior

Lead

Intern

Manager

Notable leadership hires: Photovoltaic team lead, Team Lead Public Works, Team Lead Telecom, Electrical Team Lead, Public Works Lead

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About ENSIO

Founded in 2008, ENSIO is a French infrastructure specialist focused on three core areas: digital network deployment (fiber, 5G, broadband), electrical distribution and renewable energy systems, and ongoing field services and maintenance. The company operates across France with over 3,500 staff (per 2021 data) and serves utilities, telecom operators, and energy companies. Revenue is generated through design-build-operate contracts and recurring maintenance service lines. Active projects span electrical grid expansion, public EV charging infrastructure, and next-generation network rollouts.

HeadquartersVelizy Villacoublay

Company Size1,001–5,000 employees

Founded2008

Hiring MarketsFrance

Frequently Asked Questions

What tech does ENSIO use for network design?

ENSIO uses AutoCAD, SEE Electrical, EPLAN, and MapInfo/QGIS for design and planning. Field operations rely on Ericsson and Huawei equipment for telecom deployments, and Schneider Electric for power systems.

What projects is ENSIO working on?

ENSIO is actively deploying electrical distribution networks, installing EV charging infrastructure (7–300 kW), constructing high-speed fiber networks, and building aerial telecom infrastructure across regions including Gironde and near Rousset.