Senior IT Systems Specialist – IAM & Security – F5 BIG-IP, Keycloak, Nevis

• Operate, administer, and further develop F5 BIG-IP APM and F5 BIG-IP ASM (Web Application Firewall) in a business-critical environment
• Implement and maintain modern authentication and authorization solutions based on OAuth 2.0, OpenID Connect, and SAML 2.0
• Design, integrate, and operate Identity & Access Management (IAM) solutions using Keycloak and Nevis
• Ensure secure and stable access to applications, APIs, and corporate portals
• Analyze, troubleshoot, and provide sustainable solutions for security, authentication, and access issues
• Support architecture, integration, and security initiatives in collaboration with internal departments and technical teams
• Contribute to the continued development of security standards, IAM processes, and access management concepts
• Create and maintain technical documentation, and support operations, maintenance, and knowledge transfer

• 5+ years of professional experience as an IT Systems Specialist, IAM Engineer, Security Engineer, or in a comparable role
• Extensive hands-on experience operating F5 BIG-IP APM and F5 BIG-IP ASM (WAF)
• Excellent knowledge of modern authentication and authorization standards, including OAuth 2.0, OpenID Connect, and SAML 2.0
• Experience with the IAM platforms Keycloak and Nevis
• Good understanding of web security, access management, Single Sign-On (SSO), and identity federation
• Experience integrating and securing applications, APIs, and portals
• Structured, independent, and solution-oriented approach to work
• Excellent communication skills and enthusiasm for collaborating with diverse stakeholders
• Fluency in German is mandatory