Keycloak Expert

Keycloak Expert

Atos Group is a global leader in digital transformation with c. 67,000 employees and annual revenue of c. €10 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries.

Atos is looking for an experienced Keycloak Expert (Subject Matter Expert) with a strong background in Identity and Access Management (IAM) to support a modernization initiative focused on designing and implementing a new authentication and authorization mechanism for existing application flows. The role combines architecture design, hands-on technical leadership, and production-level implementation, including the integration of Keycloak-based authentication services into an enterprise infrastructure environment running on Red Hat Enterprise Linux. You will work remotely as part of an international team, contributing to secure, scalable, and production-ready IAM solutions.

Role and Responsibilities

• Defining target IAM architecture and infrastructure for the new solution
• Designing and overseeing production-ready installation and configuration of Keycloak on Red Hat Enterprise Linux
• Configuring and integrating Keycloak with reverse proxy and API Gateway solutions
• Designing authentication and authorization flows for enterprise applications
• Preparing migration plans for existing authentication mechanisms, including risk assessment and mitigation strategies
• Advising on high availability, scalability, and operational best practices for Keycloak deployments
• Supporting integration with external identity providers and enterprise directories

Required Skills and Experience:

• Proven hands-on experience with Keycloak in Red Hat Enterprise Linux environments, including: architecture design installation and administration realm and client configuration
• Deep expertise in: Keycloak client configuration token lifecycle management system-to-system integration
• Experience with identity federation and LDAP integration (including directory queries)
• Solid understanding of SAML 2.0 and OAuth 2.0 / OpenID Connect (OIDC)
• Experience integrating Keycloak with reverse proxy and API Gateway solutions
• Strong knowledge of authentication and authorization flows
• Understanding of IAM architecture patterns and secure integration mechanisms
• Ability to communicate effectively in English while working remotely in an international environment

What's in it for you?

Wellbeing programs & work-life balance - integration and passion-sharing events Private medical and dental care Benefits platform – shopping, cinema, sport etc. Co-funding of sports activities, e.g. Multisport & OK system cards, b-active program Courses and certifications e.g. Google Cloud, AWS, ITIL Conferences and Expert Communities Gift packages for special occasions: Easter, Christmas, Children's Day Appreciation for seniority: additional days off, Atos Jubilee gifts Hybrid working mode (max. 2 times per month based on a location) Charity and eco initiatives