CISO Data & AI at ArcelorMittal – Maizieres-les-Metz | Jobyssey

ArcelorMittal is the world’s largest steel producer. We use the most innovative technologies to create the steels tomorrow’s world will be made of. Every day over 125,000 of our talented people, located in over 60 countries, push the boundaries of digitalization, and use advanced technologies to create a stronger, faster, and smarter world. To help make this possible, they know they can depend on the support and training that a company of our scope and scale can provide.

Comprising 1,650 researchers spread across 14 Research Centres around the world, our Global R&D team aims to continuously improve the quality of steel and its manufacturing processes. This involves investigating and developing disruptive technologies, reducing the carbon footprint of steel, and optimizing costs while maintaining uncompromising quality. The team's strong multicultural diversity, with over 30 nationalities, offers international experience and makes it possible to meet global needs.

Global R&D ‘Internal Digitalization and IT’ is a transversal team in charge of defining, promoting and deploying Internal Digital and IT solutions, infrastructures and policies.

Your role

As Global R&D CISO, you will define and drive the cybersecurity strategy for our worldwide research organization. You will turn Group and Global R&D policies into measurable results, lead risk quantification and audit remediation, strengthen Cloud/Identity/Data security foundations, enhance Incident & Crisis readiness, and embed AI/GenAI security in partnership with the Group CISO, Global Assurance, and local security teams.

You will protect the core of our innovation engine—research environments, prototypes, IP, data, and engineering platforms—while enabling fast, secure development. This role is ideal for a rising security leader ready for their first executive step, bringing strong experience in security governance, engineering security, and cloud/data protection.

Your strategic mission: ensure Global R&D remains the Group’s reference for data security and AI lifecycle security—across design, development, deployment, monitoring, incident response, and retirement—through robust governance of models, data, access, and compliance.

Your profile

Master’s degree in an IT-related field.
Proven CISO-level expertise securing R&D environments, including IP, data, AI/ML, DevSecOps, cloud platforms, and laboratories.
Strong experience in cybersecurity strategy, governance, risk management, audit leadership, and crisis management.

Key Expertise

Security Strategy & Governance: Security roadmaps, secure-by-design practices, and enterprise security programs.
IP & Engineering Security: IP protection, Secure SDLC, DevSecOps, supply-chain security, and AI/ML governance.
Cloud & Lab Security: Segmentation, identity management, MFA, encryption, and monitoring.
Audit & Compliance: Leading audits and ensuring regulatory readiness.
Incident & Risk Management: Structured risk governance and coordination with Group Security teams.
Stakeholder Engagement: Strong collaboration with IT, Legal/IP, external partners, and Security Champions networks.

Knowledge & Qualifications

Security frameworks: ISO 27001, NIST CSF, FAIR, MITRE ATT&CK.
Technologies: Azure, Microsoft 365, Entra ID, SentinelOne, Darktrace, Varonis, Purview, PingCastle.
Compliance and crisis management: GDPR, NIS2, AI Act, incident response, and audit programs.
Relevant certifications such as CISSP, CISM, ISO 27001 LI/LA, or CCSP.
Strong understanding of AI security, including secure GenAI usage, data protection, and model governance.

Personal Skills

Clear, structured, and evidence-driven communicator.
Comfortable operating in a global and highly collaborative environment.
Fluent in English and French.

According to ArcelorMittal Global R&D values:

You agree to comply with health and safety rules.
You are respectful, transparent, honest, and empathetic in your relationships. You honor your word and your commitments to others.
You agree to behave consistently with the highest level of integrity.
You strive to question your practices. with high expectations of yourself and others, you strive for a high level of quality and reliability in everything you do.
You recognize that diversity, varied skills, and fresh ideas make a group exponentially better in the pursuit of a common goal.
You know that learning changes minds and lives, so you are committed to learning throughout your professional career and continually achieving the skills required and essential to your success.
You are open to ideas that challenge conventions and stimulate innovation.

Join us and you will see that your work will help create renewable energy, impact major industries and boost economies. At ArcelorMittal, we'll help you create your world.

Attractive remuneration with stimulating career prospects in which eminent scientists and engineers evolve in a multicultural environment.

Explore more jobs