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REN Tech Stack

Portugal's electricity and gas transmission operator with critical infrastructure focus

Utilities Lisboa 501–1,000 employees Founded 1994 Public Company

REN operates Portugal's national electricity transmission network and gas transport system—critical infrastructure handling country-scale load balancing and LNG regasification. The tech stack reflects industrial-systems maturity: SCADA, PLCs, Kubernetes/OpenShift containerization, and multi-layer security tooling (Sentinel, QRadar, MITRE ATT&CK frameworks). Security hiring (5 of 13 active roles) and active projects around OT-incident integration and NIS2 directive compliance signal a shift toward hardening operational technology against evolving industrial threats.

Tech Stack 24 technologies

Core StackSAP Azure AD Kubernetes OpenShift Rancher Docker Grafana Ansible Python Linux Splunk AutoCAD Excel SCADA PLCs Docker Compose Check_MK Azure Sentinel QRadar MITRE ATT&CK NIST ISO 27001 IEC 62443

What REN Is Building

◆Challenges

Vulnerability management and hardening
Monitoring evolving threats to industrial systems
Obtaining external authorizations
Implementing security controls
Optimizing tax compliance
Timely tax filings
Identificação de anomalias de fluxo de gás
Garantia de fornecimento contínuo
Budget control
Compliance with technical specifications

▲Active Projects

Integration of ot systems into incident response
Proof of concept new solutions
Economic model development for gas and electricity regulated activities
Monitoring european network operator regulation models
Proof of concept for new cybersecurity technologies
Process development for renewable gas integration
National electricity transport network
Natural gas liquefaction terminals
Nis2 directive transition
Sgsi evolution

Hiring Activity

Accelerating15 roles · 6 in 30d

Department

Security

5

Engineering

4

Ops

2

Finance

1

Legal

1

Seniority

Senior

10

Intern

1

Junior

1

Mid

1

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About REN

REN is a public utility operator responsible for Portugal's very-high-voltage electricity transmission and high-pressure gas transport, including LNG reception, storage, and regasification. The company also operates a wave-energy pilot subsidiary (Enondas) and runs RENTELECOM, a telecommunications infrastructure business serving managed services and consultancy. REN maintains international investments in markets with stable regulatory frameworks, notably Chile. The organization employs 501–1,000 people across Portugal and operates under European transmission-system standards while managing both regulated tariff models and renewable-gas integration.

HeadquartersLisboa

Company Size501–1,000 employees

Founded1994

Hiring MarketsPortugal

Frequently Asked Questions

What is REN's primary business?

REN operates Portugal's national electricity transmission network in very-high voltage and the national gas transport system, including LNG terminals and underground storage. The company also runs a wave-energy subsidiary and a telecommunications infrastructure unit.

What technology does REN use for grid operations?

REN's stack includes SCADA and PLCs for industrial control, Kubernetes and OpenShift for containerization, Splunk and Sentinel for monitoring, and QRadar for security. AutoCAD is used for infrastructure design.

Is REN hiring security staff?

Yes. Security roles represent the largest active hiring category (5 of 13 total open positions), focused on vulnerability management, threat monitoring, and cybersecurity controls aligned with NIS2 directive requirements.