We are supporting a rapidly growing international energy technology company in the appointment of an OT / ICS Cybersecurity Engineer to help protect its grid-connected battery energy storage sites and associated control systems.Si los siguientes requisitos del puesto y la experiencia coinciden con sus habilidades, por favor, asegúrese de enviar su solicitud sin demora.This is not a traditional corporate IT security position. The role focuses on Operational Technology security: protecting the physical equipment, industrial control systems and communications networks that operate large-scale BESS facilities.You will also ensure that battery sites can communicate securely with the company’s cloud-based Virtual Power Plant platform.Key responsibilities- Secure communications between BESS sites and the cloud/VPP platform.- Design and maintain secure separation between OT and corporate IT networks.- Protect SCADA systems, PLCs, RTUs, inverters and other site-control equipment.- Configure and review firewalls, VPNs, encryption and access controls.- Secure remote access for engineers, operators and approved third parties.- Identify vulnerabilities across operational systems and site networks.- Monitor OT environments for cyber threats and suspicious activity.- Support incident response and remediation across live operational assets.- Ensure compliance with relevant industrial cybersecurity standards.- Work closely with engineering, software,



operations and project-delivery teams.What we’re looking for- At least three years’ experience in OT, ICS or industrial cybersecurity.- Practical experience protecting live industrial, energy or grid-connected assets.- Strong knowledge of IEC 62443.- Experience with OT/IT network segmentation and the Purdue Model.- Understanding of industrial communication protocols such as IEC 61850, Modbus or DNP3.- Experience securing SCADA systems, PLCs, RTUs, inverters or similar operational equipment.- Hands-on knowledge of firewalls, VPNs, encryption, access controls and secure remote-access solutions.- Ability to assess vulnerabilities and translate security risks into practical technical improvements.- Strong communication skills and the ability to work across technical and operational teams.Desirable experience- Battery energy storage systems.- Power generation, utilities, substations, solar, wind or other critical infrastructure.- ISO 27001 or related security frameworks.- Platforms and technologies such as Palo Alto, Fortinet, Cisco, Splunk, Dragos, Claroty or Nessus.- Secure integration between physical energy assets and cloud-based software platforms. xqziphuThis is an excellent opportunity to take responsibility for protecting real-world energy infrastructure within a growing international battery storage and energy technology business.

📌 Ot / Ics Cybersecurity Engineer (Madrid)
🏢 NetZero
📍 Madrid