IT Security SpecialistFreelance OpportunityLocation: Arnhem (Hybrid working)Contract until Sept 30th 2026, likelihood of extensionKey responsibilities:Support offshore grid and infrastructure projects with expert OT/IACS cyber security guidanceEnsure that all technical systems comply with defined security standards and proceduresReview engineering documentation and validate designs from a security perspectiveAdvise internal and external stakeholders on implementing compliant security solutionsAlign with security experts across departments and apply lessons learned from other major projectsSafeguard both cyber and physical assets within complex industrial environmentsRequirements:A relevant degree in cyber security or equivalent (BSc. degree or higher)At least 5 years+ of relevant work experience regarding security in mid to large sized projects OT / IACS environments.You have knowledge about and experience with security risk management, security architecture and engineering for OT / IACS Environments, industrial networking, IAM (e.g. Active Directory and Cisco ISE), security testing, assessment and reporting (e.g. Penetration Testing), and (physical) asset security.Knowledge of IEC 62443 is a must