Do you want to help make organisations more secure, and do you enjoy technical problem-solving, collaboration, and implementing security solutions? Then this is your opportunity. Thales Netherlands is looking for an IS-IT Security Engineer to help our internal IT environments grow in cyber security maturity.Your RoleAs an IS-IT Security Engineer, you ensure our diverse IT environments remain secure, compliant, and up to date. You support environment owners hands-on with installing, configuring, and implementing security services. You make sure security controls actually work and that teams understand how to use them effectively.You act as the technical link between environment owners, the IT department and the Cyber Security Office.What You Will Do DailyOnboard environment owners with Windows & Linux update tools (e.g., WSUS, Satellite)Implement antivirus and endpoint protection solutions across the organisationCreate and configure policies, OUs, permissions, and other AD settings within a dedicated security Active Directory domainCollaborate with and support technical teams that require assistanceServe as the technical connector between environment owners, IT, and the Cyber Security OfficeAutomate and simplify onboarding steps (e.g., via internal service request portals)Improve installation and configuration guides, runbooks, and how-to documentsPropose, develop, and implement new security servicesMonitor and report on adoption and security maturity, and identify opportunities for improvementWho You AreWe are looking for someone technically strong, service-oriented, and driven to embed security effectively within teams.You bring:HBO-level education or equivalent experienceA technical IT backgroundA security-minded approach focused on prevention and protectionExperience with Active Directory (onboarding, policies, troubleshooting)Knowledge of Windows or Linux server environmentsExperience with basic configuration and troubleshootingStrong communication skillsA proactive, collaborative mindset within an Agile environmentFluency in English (spoken and written)Your technical curiosity and willingness to support others make you the perfect link between teams and security.Why This Role Is Interesting for YouYou work in an environment that takes security seriouslyYou influence the security maturity of the entire organisationPlenty of room for technical growth, innovation, and your own ideasA modern, professional IT landscape with expert supportWork for a major organisation like Thales in HengeloStart quickly: 1 April 2026 – 31 December 2026, with an option for extensionApplyReady to play an important role in strengthening our cyber security?Apply now!