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OCELY Tech Stack

Energy engineering and infrastructure transition consultant

Environmental Services Paris, Île-de-France 11–50 employees Partnership

OCELY is a Paris-based engineering consultancy focused on energy transition projects across renewables, heat networks, and rail infrastructure. The tech stack—PSCAD, PVSyst, Revit, BIM, Schneider Electric, Siemens, and building-automation protocols (BACnet, Modbus, KNX)—reflects a firm built around design-phase simulation and operational control rather than software development. Hiring velocity is accelerating with 32 engineering roles open (mostly mid and senior level), suggesting scaled project delivery and a growing client backlog in solar, heat infrastructure, and rail electrification.

Tech Stack 18 technologies

Core StackAutoCAD SketchUp Revit Siemens PSCAD PVSyst BIM Excel Word Schneider Electric Panorama WinCC Tridium Niagara EcoStruxure BACnet Modbus KNX LonWorks

What OCELY Is Building

Challenges

  • Meeting project deadlines
  • Optimizing construction processes
  • Complex energy project coordination
  • Energy efficiency optimization
  • Industrial site modernization
  • Maintaining safety compliance on nuclear project
  • Analyzing errors from supervision
  • Preventive maintenance scheduling
  • Ticketing for maintenance
  • Ensuring compliance of railway electrical installations

Active Projects

  • Railway station and annex infrastructure project
  • Photovoltaic grid connection
  • Infrastructures de réseaux de chaleur
  • Photovoltaic project studies
  • Solar plant design
  • Heat network infrastructure projects
  • Postes de livraison associés
  • Bess solution development
  • Installation sizing
  • Ground-mounted solar projects

Hiring Activity

Accelerating35 roles · 20 in 30d

Department

Engineering
32
Construction
2
Ops
1

Seniority

Mid
22
Senior
10
Manager
2
Junior
1
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About OCELY

OCELY operates as a two-pole consulting practice: Operations (design, build, and operate energy infrastructure) and Strategy (decarbonization studies for client operations). The active project list reveals focus areas in photovoltaic systems, district heat networks, battery energy-storage solutions, and railway electrical infrastructure. The firm works with industrial and infrastructure clients on complex, multi-phase energy projects. Pain points flagged across their engagements—deadline pressure, construction-process optimization, project coordination, and compliance on safety-critical systems—are consistent with mid-market capital projects in energy and transport sectors.

HeadquartersParis, Île-de-France
Company Size11–50 employees
Hiring MarketsFrance

Frequently Asked Questions

What is OCELY's tech stack?

OCELY uses PSCAD and PVSyst for electrical simulation, AutoCAD/Revit/BIM for design, Schneider Electric and Siemens platforms for controls, and building-automation protocols including BACnet, Modbus, KNX, and LonWorks.

What projects is OCELY working on?

Current projects span photovoltaic design and grid connection, district heat-network infrastructure, solar plant studies, battery energy-storage solutions, railway station electrification, and industrial site modernization.

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