Benjamin Naujoks Roldan

• - Architectural migration and modernization of a central IAM platform for a retail organization with 400,000 employees and 8 million end-consumers

• - Responsibility for the Keycloak-based Identity Platform, ensuring high availability and secure authentication for high-traffic consumer and enterprise workloads

• - Engineering and operation of infrastructure under KRITIS (Critical Infrastructure) regulations, ensuring maximum resilience and compliance for essential services

• - Establishment of a Kubernetes-based cloud environment to enhance scalability, efficiency and fully leverage cloud native workloads

• - Definition and integration of audit proof processes in order to facilitate full auditability and control over production changes in a highly regulated environment

• - Planning and execution of an architectural and operational setup of an edge identity provider setup for secure edge authentication

• - Conducting of an operational overhaul of teams and utilities, significantly improving configuration management across multiple domains by leveraging GitOps and Self Service patterns

• - Design and implementation of a high-availability, mission-critical infrastructure setup for the organization to ensure business continuity

• - Maintenance and development of a secure multi-component Data Warehousing Environment based on Snowflake and Azure in the public cloud, managing an annual €250k+ infrastructure footprint and 120TB+ storage

• - Architectural design and rollout of integrations for 20+ source systems across the organization and third-party partners to facilitate C-Level Reporting

• - Streamlined Monitoring solutions for Cost, Security and Availability, leveraging advanced analytics and automation tooling to optimize resource utilization

• - Management of effective communication channels between technical teams and business stakeholders, supporting 2,300+ global end users across all business units of Siemens Financial Services

• - Technical guidance on audit-related matters within a regulated banking environment, ensuring alignment with industry standards and regulatory requirements

• - Conceptualization of disaster recovery strategies, ensuring business continuity in the face of infrastructure failures or security incidents

• - Advised clients on state of the art implementation of modern cloud environments, leveraging IaC and automation tooling (CICD)

• - Analysis and integration of workload-driven scaling adjusting compute resources based on compute demand ensuring optimal performance, cost and efficiency in the Context of Kubernetes, Snowflake and Spark Clusters

• - Integration of a GitOps driven management of IT Environments standardizing deployment processes and utilizing Git as single source of truth

• - Buildup of flexible monitoring solutions bringing transparency into IT Landscapes enabling operational efficiency and agility

• - Incorporation of IAM Concepts across IT components ensuring security standards like RBAC enforced least privilege or Just-in-Time access