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Greenvolt Group

Head of OT Cybersecurity

Greenvolt Group
Portugal · Full-time · Mid-Senior
Greenvolt is strengthening its cybersecurity leadership team and is looking for an experienced Head of OT Cybersecurity to lead and mature cybersecurity across our Operational Technology (OT) environments.

This role will be key in ensuring the protection, resilience, and safe operation of our critical industrial and energy assets, while supporting IT/OT convergence and regulatory compliance, including NIS2.

Responsibilities:

  • Execute OT cybersecurity strategy and roadmap, aligned with business objectives, enterprise cybersecurity strategy, and regulatory requirements
  • Act as the primary interface between OT, IT and Cybersecurity teams, ensuring clear ownership, aligned controls, and effective collaboration across functions
  • Oversee the secure design, deployment and operation of OT environments, ensuring security‑by‑design and security‑by‑default principles are applied to new projects and upgrades
  • Oversee incident response capabilities for OT environments, including preparation, detection, response and recovery from cyber incidents impacting industrial operations
  • Supervise third parties and vendors involved in OT environments, ensuring cybersecurity requirements are embedded in contracts, procurement, and system lifecycle management
  • Drive and execute OT cyber maturity improvement, defining KPIs, conducting periodic assessments, and supporting continuous improvement initiatives
  • Ensure OT cybersecurity governance model, including policies, standards, architectures, and minimum security baselines for industrial environments
  • Ensure compliance with regulatory and regulatory‑driven frameworks, notably NIS2, national critical‑infrastructure requirements, and relevant industry standards (e.g. IEC 62443, NIST SP 800‑82)
  • Lead OT cyber risk management, including asset visibility, threat modelling, vulnerability management, and risk assessments for industrial systems and sites
  • Support executive management and the board with clear visibility of OT cyber risks, posture, incidents, and remediation plans

Requirements

  • Minimum 5+ years of experience in cybersecurity, OT/ICS security, industrial automation, or critical infrastructure environments, with proven leadership responsibility
  • Strong hands‑on knowledge of OT/ICS technologies, such as SCADA, DCS, PLCs, industrial networks, and field devices, ideally within energy, utilities, or industrial sectors
  • Demonstrated experience designing and implementing OT cybersecurity architectures and controls, balancing security, safety, and operational availability
  • Solid understanding of IT/OT convergence risks, network segmentation, remote access, monitoring, and secure integration with enterprise IT platforms
  • Proven experience with OT cybersecurity standards and frameworks, (e.g IEC 62443) and risk‑based security models
  • Good working knowledge of regulatory frameworks for critical infrastructure, particularly NIS2 and related European cybersecurity obligations
  • Experience leading cross‑functional teams and influencing stakeholders across operations, engineering, IT, and senior management
  • Strong communication skills, with the ability to translate complex technical risks into business‑level and executive‑level insights
  • Relevant certifications (preferred but not mandatory)

Benefits

What do we have to offer?

  • Competitive salary aligned with experience;
  • Attractive benefits package including health insurance, pension plan, flexible benefit and meal card;
  • Flexible work environment and work-life balance;
  • 25 days of holidays;
  • Hybrid Regime (2 days of teleworking);
  • Free birthday day;
  • Being part of an international environment

We want an energy transition for everyone from everyone!

Key Skills

Ranked by relevance

cybersecurity incident response embedded nist
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Country Guide

Portugal

Startup-friendly with strong expat appeal

Posted
May 09, 2026
Type
Full-time
Level
Mid-Senior
Location
Lisbon
Company
Greenvolt Group

Industries

IT Services IT Consulting

Categories

Information Technology

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