OT Cybersecurity Technical Architect (m/w/d)

Job Description

At Voltalia we are passionate about renewable energies! We are an electricity producer from wind, solar, hydro, biomass and storage and also a service provider to 3rd party clients such as Development, EPC, O&M and Distribution. Today we are in 20 countries, split among 4 continents, and offering a global operating capacity to our clients. We are listed on the regulated Euronext market in Paris since July 2014.

Our IT Security and Infrastructure Team is looking for an OT Cybersecurity Technical Architect.

Responsibilities

Architecture & Design

• Develop and implement OT cybersecurity architectures tailored for renewable energy production and operations.
• Design secure and scalable network architectures for OT environments, including SCADA, ICS, and IoT systems.
• Ensure OT security strategies align seamlessly with corporate IT and cybersecurity policies, while also adhering to industry standards, including IEC 62443 and ISO 27001.

Supervise & Audit Security Tools Implementation

• Implement and supervise cybersecurity tools, including firewalls, intrusion detection systems, and vulnerability scanners, in OT environments.
• Monitor and respond to OT security incidents, collaborating with incident response teams.

Collaboration & Stakeholder Engagement

• Collaborate with GRC team to address regulatory requirements.
• Work closely with engineering, operations, and IT teams to integrate security into the lifecycle of OT assets.
• Provide cybersecurity training and awareness programs for staff working with OT systems.
• Engage with external vendors and partners to ensure secure deployment of third-party OT solutions.

Innovation & Continuous Improvement

• Stay updated on emerging cybersecurity threats, trends, and technologies relevant to OT environments.
• Develop and implement strategies for continuous improvement of OT cybersecurity posture.
• Lead pilot projects and proof-of-concept initiatives for new cybersecurity technologies.

Requirements

• Bachelor’s or Master’s degree in Cybersecurity, Computer Science, Electrical Engineering, or a related field.
• 5+ years of experience in cybersecurity, with at least 2 years focusing on OT environments (e.g., SCADA, ICS).
• Experience in renewable energy or other critical infrastructure industries is a plus.
• Technical Skills:
• Deep knowledge of OT systems and protocols, including Modbus, DNP3, OPC, and MQTT.
• Proficiency with cybersecurity frameworks like IEC 62443, NIST CSF, and MITRE ATT&CK for ICS.
• Familiarity with firewalls, intrusion detection/prevention systems, and endpoint protection in OT environments.
• Strong understanding of networking principles (e.g., VLANs, VPNs, routing).
• Fluent Portuguese & English.
• Available to travel, mainly in Europe.
• Certifications: CISSP, GICSP, CISM, or equivalent certifications preferred.

Key Skills

Soft Skills:

• Challenges-driven, rigorous, strong commitment, and investment;
• Excellent analytical and problem-solving skills with the ability to assess and prioritize security risks;
• Willing to develop new skills and competencies;
• Comfortable working with high autonomy and as a team player;
• High level of integrity and ability to handle sensitive and confidential information;
• Very well organized. Able to manage and prioritize time and multiple tasks efficiently, especially when operating under pressure or deadlines;
• Strong communication and collaboration skills to work effectively with cross-functional teams and external stakeholders. Know how to adapt your communication;
• Willing to receive and accept feedback, as well as providing own constructive feedback to peers.