Light Tech Stack

Energy distributor and generator serving 4M+ customers across Rio de Janeiro state

Utilities Rio de Janeiro, Rio de Janeiro 5,001–10,000 employees Founded 1905 Privately Held

Light is a century-old utility operating generation, distribution, and energy services across 31 municipalities in Rio de Janeiro state, with 4 million customers and 10+ million people in service territory. The tech stack—AWS, Azure, SAP, SCADA, GIS, and emerging ML tools (TensorFlow, PyTorch)—reflects a hybrid-cloud infrastructure modernization, while active adoption of SD-WAN, EDR, DLP, and SIEM signals a systematic security hardening. Engineering-heavy hiring (17 open roles) paired with active ADMS/DERMS platform implementation and distributed energy resource modeling suggests Light is scaling operational automation and grid integration capabilities.

Tech Stack 64 technologies

Core StackAWS Linux Cisco Fortinet Python SAP Power BI TensorFlow PyTorch Azure Windows IAM Juniper F5 Nagios Zabbix SolarWinds SD-WAN PSCAD GIS SCADA SQL Excel VPN PRTG Network Monitor OTDR Teams SharePoint Visio Cacti+30 more

AdoptingAWS SD-WAN EDR DLP SIEM SOAR Azure

What Light Is Building

◆Challenges

High availability and security of network infrastructure
Performance of network infrastructure
Business continuity
Incident response coordination
Risk mitigation
Improving precision
Integrating distributed energy resources
Inventory accuracy
Process automation
Stock management

▲Active Projects

Network infrastructure design and implementation
Security policy implementation
It infrastructure projects
Snoc operations
Implementing adms/derms platform
Modeling power system and ders
Validating simulation functionalities
Tool integration
Technology evaluation
Network performance monitoring and troubleshooting

Hiring Activity

Steady35 roles · 15 in 30d

Department

Engineering

Ops

Security

Data

Legal

Finance

Healthcare

Seniority

Senior

Mid

Junior

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About Light

Light S.A. is a utility holding company in Brazil operating three core business lines: Light SESA (energy distribution), Light Energia (generation), and Light Esco/LightCom (energy commercialization and services). The company serves 31 municipalities across Rio de Janeiro state, covering a region of more than 10 million people. With operations spanning over a century, Light provides essential power infrastructure and energy services to 4 million customers while managing transmission, distribution, and generation assets. The organization is privately held and headquartered in Rio de Janeiro.

HeadquartersRio de Janeiro, Rio de Janeiro

Company Size5,001–10,000 employees

Founded1905

Hiring MarketsBrazil

Frequently Asked Questions

What is Light's service territory in Brazil?

Light operates across 31 municipalities in Rio de Janeiro state, serving over 10 million people and 4 million customers through its distribution, generation, and energy services subsidiaries.

What technology does Light use for grid management?

Light runs SCADA and GIS systems for grid operations, with active ADMS/DERMS platform implementation for advanced distribution and distributed energy resource management.