> Markdown version of [/jobs/ext/4497645-service-owner-it-security](https://www.wearedevelopers.com/jobs/ext/4497645-service-owner-it-security). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Service Owner IT-Security - **Company:** NAXCON GmbH - **Location:** Düsseldorf, Germany - **Salary:** €114,400 - **Contract:** Temporary contract - **Skills:** Cyber Security, Identity and Access Management, Service Design, Information Technology, Performance Monitor - **Published:** November 2, 2026 - **Apply:** https://www.careerjet.de/jobad/dea51a56bd09aee89f254681532b55b107 ## About the Role * A college degree in computer science, business informatics, or a comparable qualification with a strong focus on IT security * Several years of professional experience in the IT security field, ideally in a leadership role * Very good knowledge of IT service management (service lifecycle, service design, service operations, continual service improvement) * In-depth understanding of modern IT security architectures, security controls, and operating models (e.g., Detection & Response, Infrastructure Protection, IAM, Security Engineering) * Experience in provider, contract, and SLA management, as well as in managing external service providers * Experience in budget, cost, and performance management for IT services * Excellent knowledge of common frameworks and standards (e.g., ITIL v3/v4, ISO 20000; ISO 27001 is desirable) ## Description * End-to-end responsibility for defined IT security services throughout the entire service lifecycle (strategy, design, transition, operations, continuous improvement) * Defining, developing, and managing the assigned IT security service portfolio, including the service roadmap, scope of services, and delivery model * Responsibility for service quality, availability, performance, costs, and compliance in accordance with agreed-upon service level agreements (SLAs) * Management and technical oversight of internal and external service providers, including performance monitoring, escalation management, and continuous optimization * Management and prioritization of requirements within the framework of demand and service portfolio management * Budget responsibility for the assigned IT security services, including costs, licensing, and profitability management * Ensuring compliance with internal policies as well as regulatory and legal requirements in the IT security environment * Establishing and tracking KPIs to measure service performance, service maturity, and customer satisfaction * Initiating and implementing measures for the continuous improvement of IT security services