Senior Security DevOps Engineer at Swisscom

Implementation and operation of enterprise IAM (SSO, MFA) for financial-sector clients; onboarding of OpenID Connect/SAML solutions with Entra ID, Keycloak, and AWS IAM. Security lead for threat analysis, threat modelling, certificate management, remediation of findings, and security reviews. Full-stack IAM application development (Java, REST/SOAP, Angular, Spring Boot) and DevSecOps platform integration (JFrog Artifactory, Git/GitLab on OpenShift). Infrastructure as Code (Terraform); Linux administration; migration from Docker Swarm to Kubernetes with Helm charts. Led onboarding of new customers (OIDC/SAML) and AWS IAM Identity Center integrations. System monitoring with Grafana/Prometheus/Splunk. CI/CD pipelines (Ansible, Jenkins, GitLab); integration testing (Cucumber, Selenium, Katalon) and UAT coordination. SAST tooling (SonarQube, Snyk). Agile work in Scrum/SAFe; mentoring junior engineers.

Senior DevOps Fullstack Engineer for Banking, Cross Systems at Cross Systems

Development and maintenance of deposits, loans, interest calculation and general ledger integration. Event-driven architecture with Kafka (Outbox, Saga); strict financial consistency and idempotent processing. Postgres sharding; Redis for reference data and sessions; Spark for analytics. Migration from PrimeFaces to Angular; CI/CD with GitLab/Jenkins; Kubernetes and containerisation patterns (TDD/BDD). Tech stack includes Java, Spring Boot, Go, REST, Microservices, Kafka, Mule ESB, Oracle, Postgres, Redis, OpenSearch, Angular, PrimeFaces, Kubernetes, Docker, Jenkins; ELK Stack.