Greenvolt

Develops biomass, wind, solar, storage assets

OT Integration & Data Expert

Data EngineeringUpdated on Nov 7

Full-timeMadrid, SpainNo salary listed

About the Job

Requirements

A bachelor's degree in industrial engineering, Telecommunications Engineering, Computer Science, or a related engineering discipline is required.
At least five years of experience in OT data, industrial systems integration, automation, or a comparable engineering role is required.
Strong knowledge of OPC UA, Modbus, MQTT, SCADA data models, and industrial communications is required.
Experience in renewables, utilities, or industrial environments, with strong knowledge of IEC 62443 and OT cybersecurity principles, is required.
Hands-on experience integrating SCADA, PLC, historian, or industrial monitoring environments with enterprise platforms is required.
Hands-on experience with industrial Ethernet, TCP/IP, VLANs, routing, NAT, firewalls, VPNs, industrial switches, and resilient network architectures is required.
Practical understanding of ISA/IEC 62443 concepts, including zones and conduits, defense in depth, secure remote access, and system security requirements, is required.
Experience troubleshooting production-critical interfaces, connectivity, tag mapping, and data-quality issues is required.
Experience with historians such as PI System, Canary, InfluxDB, or equivalent technologies is required.
Fluency in English is required.
The candidate must be able to produce interface specifications, data-flow diagrams, and clear technical documentation.
The candidate must understand OT networking, segmentation, and secure remote access.
The candidate must be able to translate cybersecurity requirements into practical and implementable OT network and communication controls.
Strong communication and stakeholder-management skills are required to collaborate with OT, cybersecurity, IT Network, plant operations, EPCs, OEMs, and O&M providers.

Responsibilities

Design, implement, and maintain integrations between SCADA, plant systems, historians, monitoring platforms, and enterprise solutions.
Design, review, and maintain secure OT communication architectures for renewable assets, including SCADA networks, plant LANs, OT DMZs, remote sites, and connectivity between OT and enterprise environments.
Manage OT/IT interfaces and industrial communications using OPC UA, Modbus TCP, MQTT, IEC 60870-5-104, IEC 61850, DNP3, SNMP, TCP/IP, and secure file- or API-based integrations, including tag mapping, naming conventions, and plant-edge data standardization where applicable.
Administer or coordinate industrial historians and time-series platforms, ensuring appropriate data collection, availability, retention, and retrieval.
Monitor data pipelines and interfaces, identify missing, delayed, or inconsistent data, and resolve protocol, connectivity, and integration issues.
Define and apply standards for data quality, metadata, asset hierarchies, and technical documentation across countries and technologies.
Support onboarding of new and acquired assets, including integration requirements, commissioning data, and interface validation.
Coordinate technical activities with EPCs, OEMs, O&M providers, and digital platform vendors.
Work with OT Technology Assurance, Operational Asset Reporting, and IT Data & Analytics to ensure operational data is fit for reporting and analytics.
Support implementation of OT network segmentation, security zones, conduits, firewalls, routing rules, and controlled interfaces in alignment with company standards and ISA/IEC 62443 principles.
Define and coordinate secure remote-access OT connectivity for employees, OEMs, EPCs, and O&M providers, including access approval workflows, jump-host or bastion solutions, privileged access, session monitoring, and removal of obsolete access paths.
Provide technical assurance throughout the asset communications lifecycle by reviewing communication and cybersecurity deliverables during design, FAT, SAT, commissioning, handover, acquisition, repowering, and major system changes.

Desired Qualifications

Good SQL knowledge and familiarity with APIs, middleware, time-series data, and systems integration patterns.

OT Integration & Data Expert

Greenvolt · Madrid, Spain (Hybrid) · Full-time · Posted 2026-10-01

Workplace: hybrid

Department: GreenVolt España (k)

Description

Greenvolt is lloking for a OT Integration & Data Expert to become part of the OT & Digital team

What you will do

As an OT Integration & Data Expert, you will connect renewable assets, SCADA environments, and industrial data platforms with Greenvolt's enterprise and asset management solutions. You will act as the technical bridge between OT, IT, Asset Management, and technology partners, strengthening internal ownership of the OT data integration layer and supporting the seamless integration of operational data across the organization. You will own or coordinate OT communication requirements, network and data-flow documentation, secure remote-access solutions, industrial protocol governance and technical troubleshooting, while supporting cybersecurity monitoring, asset onboarding and the implementation of Greenvolt’s OT security standards.

Main responsibilities

Design, implement and maintain integrations between SCADA, plant systems, historians, monitoring platforms and enterprise solutions.
Design, review and maintain secure OT communication architectures for renewable assets, including SCADA networks, plant LANs, OT DMZs, remote sites and the connectivity between OT and enterprise environments.
Manage OT/IT interfaces and industrial communications using OPC UA, Modbus TCP, MQTT, IEC 60870-5-104, IEC 61850, DNP3, SNMP, TCP/IP and secure file or API-based integrations, where applicable including tag mapping, naming conventions and plant-edge data standardization.
Administer or coordinate industrial historians and time-series platforms, ensuring appropriate data collection, availability, retention and retrieval.
Monitor data pipelines and interfaces, identifying missing, delayed or inconsistent data and resolving protocol, connectivity and integration issues.
Define and apply standards for data quality, metadata, asset hierarchies and technical documentation across countries and technologies.
Support onboarding of new and acquired assets, including integration requirements, commissioning data and interface validation.
Coordinate technical activities with EPCs, OEMs, O&M providers and digital platform vendors.
Work with OT Technology Assurance, Operational Asset Reporting and IT Data & Analytics to ensure operational data is fit for reporting and analytics.
Support the implementation of OT network segmentation, security zones, conduits, firewalls, routing rules and controlled interfaces in alignment with Greenvolt standards and ISA/IEC 62443 principles.
Define and coordinate secure remote-access OT connectivity for employees, OEMs, EPCs and O&M providers, including access approval workflows, jump-host or bastion solutions, privileged access, session monitoring and removal of obsolete access paths.
Provide technical assurance throughout the asset communications lifecycle, reviewing communication and cybersecurity deliverables during design, FAT, SAT, commissioning, handover, acquisition, repowering and major system changes.

Requirements

Bachelor’s degree in industrial engineering, Telecommunications Engineering, Computer Science, or a related engineering discipline.
5+ years of experience in OT data, industrial systems integration, automation or a comparable engineering role.
Strong knowledge of OPC UA, Modbus, MQTT, SCADA data models, industrial communications.
Experience in renewables, utilities or industrial environments with strong knowledge of IEC 62443 and OT cybersecurity principles.
Hands-on experience integrating SCADA, PLC, historian or industrial monitoring environments with enterprise platforms.
Hands-on experience with industrial Ethernet, TCP/IP, VLANs, routing, NAT, firewalls, VPNs, industrial switches and resilient network architectures.
Practical understanding of ISA/IEC 62443 concepts, including zones and conduits, defence in depth, secure remote access and system security requirements. Experience troubleshooting production-critical interfaces, connectivity, tag mapping and data-quality issues.
Experience with historians such as PI System, Canary, InfluxDB or equivalent technologies.
Good SQL knowledge and familiarity with APIs, middleware, time-series data and systems integration patterns. (Desirable)
Fluent in English
Hands-on problem solver with strong analytical and troubleshooting capability.
Ability to produce interface specifications, data-flow diagrams and clear technical documentation.
Understanding of OT networking, segmentation and secure remote access.
Ability to translate cybersecurity requirements into practical and implementable OT network and communication controls.
Strong communication and stakeholder-management skills, with the ability to collaborate effectively with OT, cybersecurity, IT Network, plant operations, EPCs, OEMs and O&M providers

Apply

Apply at Greenvolt

About the Company

Greenvolt

Develops biomass, wind, solar, storage assets

Greenvolt is a pan-European independent power producer and renewable energy developer focused on three pillars: sustainable biomass, utility-scale wind and solar projects, and distributed generation. It manages the full lifecycle of green energy assets—from development and construction to operation and strategic asset rotation—across multiple geographies. Its products come from electricity generation tied to long-term power purchase agreements, with revenue also derived from the strategic sale of mature renewable assets. The company is expanding into battery energy storage to enhance grid flexibility. Greenvolt distinguishes itself through strong execution capabilities, deep technical expertise, and a growing project pipeline supported by solid institutional backing. Its goal is to accelerate the global energy transition by enabling large-scale renewable developments and decentralized self-consumption, improving grid reliability, and helping customers reduce their carbon footprints.

Company size: 201-500
Company stage: IPO
Headquarters: Lisbon, Portugal
Founded: 2005

Recently Posted Jobs

Explore more opportunities at Greenvolt

See more jobs