Energy OT Security Engineer

AtMETLEN Energy & Metals, we are catalysts for a sustainable future, positioned at the forefront of the energy transition while being a reference point for competitive green metallurgy at both the European and global levels. We are a global industrial and energy company operating across two highly interconnected and complementary sectors: Energy and Metals. With a consolidated turnover of €5,683 million and an EBITDA of €1,080 million, along with a workforce of over 7,627 dedicated individuals, we drive success through cutting-edge technology and diverse talent.

We are committed to embracing new state-of-the-art technologies and advancements, propelling us towards a cleaner, brighter tomorrow. Our positive footprint extends across five continents, creating a lasting impact. At METLEN, we foster a culture of resilience, challenge, respect, excellence, andchange, empowering our diverse workforce to achieve remarkable outcomes.

We are currently looking for an Energy OT Security Engineer to join our Energy Technology Division, based in Paiania, Greece.

As part of our team, you will play a pivotal role in safeguarding the integrity and resilience of METLEN’s Energy infrastructure by translating OT cybersecurity policy and risk requirements into practical controls across assets and projects. You will own the execution of OT security requirements, risk assessments, supplier assurance and incident support across Energy assets, EPC projects and O&M environments. You will collaborate cross-functionally with Energy business units, engineering, IT, the CISO organization and external partners to align execution with business priorities and operational needs.

We are looking for someone who thrives in a collaborative, fast-paced environment and brings a proactive, solution-oriented mindset. The successful candidate should be comfortable navigating ambiguity, influencing without direct authority and driving alignment across diverse teams, with a strong sense of ownership, accountability and continuous improvement.

Your role will encompass:

• Defining and maintainingOT cybersecurity requirements, control baselines and technical specifications for Energy assets, EPC projectsand O&M activities.

• Conducting OT/ICS risk assessments, vulnerability reviews, penetration testsand control-gap analyses, and translating findings into prioritized remediation plans.

• Supporting incident preparedness and response for OT environments, including evidence collection, impact assessment, coordinationand lessons learned.

• Assessing OT suppliers, OEMs, integratorsand project solutions against security, contractual, clientsand regulatory requirements.

• Embedding cybersecurity requirements into tender documentation, design reviews, FAT/SAT acceptance criteria, handover packagesand operational procedures.

• Supporting implementation of the OT Security Management System, policies, SOPs, roles, accountabilitiesand exception processes.

• Coordinating with the CISO, IT, engineering, asset owners, EPC teams, Legal, Procurement and external specialists to ensure aligned control implementation.

• Monitoring remediation actions, dependenciesand risk acceptance decisions, providing clear management reporting and escalation where required.

• Contributing to OT cybersecurity awareness, exercisesand continuous improvement across the Energy organization.

What you bring to the role:

• Bachelor’s or Master’sdegree in Cybersecurity, Electrical Engineering, Automation, Computer Scienceor a relatedfield.

• 3+ years of relevant experience in OT/ICS cybersecurity, preferably in energy, utilitiesor industrial environments.

• Practical knowledge of industrial control systems, OT security controls, risk assessmentand incident response concepts.

• Knowledge of standards and regulatory requirements such as NIS2, ISA/IEC 62443, ISO 27001and NIST guidance.

• Experience in supplier assurance, security requirements, technical documentation, auditsor project acceptance activities is an advantage.

• Relevant certifications such as GICSP, CISSP, IEC 62443 or equivalent are considered a strong plus.

Share the same Value Based Behaviors:

• People & Personal growth

• Results orientation & Safety excellence

• Collaboration & Trust

• Empathy & Effective communication

• Flexibility & Adaptability

Your Benefits:

• Competitive remuneration package

• Ticket Restaurant Card

• Group Health Insurance Plan

• Preferential household electricity plan

• Pension Plan

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At Metlen Energy & Metals we are proud to have Diversity and Inclusion at the centre of everything we do. We are committed to Equal Employment Opportunity regardless of race, colour, national origin, ethnicity, gender, age, disability, sexual orientation, gender identity or religion.