Thomas B.

Senior Freelance Platform / DevOps Engineer Specialized in DevOps practices, SRE, cloud, automation, CI/CD, Infra as Code, team lead. • Azure cloud migration: Served as lead DevOps for a large multinational company. Designed and delivered Azure landing zones using hub-and-spoke architecture, Terraform, ARM templates and GitHub Actions. Migrated Java Spring and Node.js applications to Azure for 50+ teams using reusable deployment patterns based on Helm, Docker, Kubernetes, Azure App Service and PostgreSQL. Integrated Sysdig and cloud security best practices into application deployments. Led international teams, ran technical workshops and delivered recurring demos of automatically provisioned environments. • AWS architecture & SaaS migration: Designed and delivered production-grade Amazon EKS architectures using Kubernetes, Terraform, Helm, CI/CD and GitOps, with a focus on security. Built reusable infrastructure and deployment patterns to improve developer experience and application-team autonomy. Designed just-in-time GitHub Actions runners on EKS with Karpenter autoscaling, reducing operational costs and improving developer experience for 50+ engineers. • SaaS & self-hosted Kubernetes delivery: Deployed a data software company’s first SaaS and self-hosted Kubernetes offering using AWS EKS, Terraform Cloud, FluxCD, Helm, Kafka, Elasticsearch, Keycloak and GitHub Actions CI/CD. Led, trained and mentored teams of 4–6 engineers on cloud, DevSecOps and platform practices. Implemented OpenTelemetry on EKS with OTLP pipelines, Collector deployments and Prometheus/Grafana integration for application and JVM telemetry. • Production reliability & incident response: Investigated and resolved production incidents across cloud and Kubernetes environments. Tested backup restoration and disaster recovery procedures to validate service recovery. Performed root cause analysis and implemented corrective actions to prevent recurrence. Created incident response runbooks and recovery procedures. • AI-assisted Kubernetes operations: Designed and built a provider-agnostic AI SRE agent in Python to investigate Kubernetes incidents, correlate cluster events, logs and Git changes, generate Helm remediation patches and create GitHub pull requests through human approval workflows. Applied agentic AI and LLM-based automation to infrastructure operations, troubleshooting and documentation. • Observability: Built multiple observability stacks using Prometheus, Loki and Grafana to improve visibility and troubleshooting. Skills Cloud & Platform: AWS, Azure, Kubernetes, Docker, Helm, Karpenter, Linux Architecture: AWS & Azure cloud architecture, Kubernetes platform design, Azure landing zones, hub-and-spoke networking, SaaS migration architecture, reusable infrastructure and deployment patterns Infrastructure as Code & Automation: Terraform, Terraform Cloud, Ansible, ARM templates, Python, Bash GitOps & CI/CD: FluxCD, Argo CD, GitHub Actions, GitLab CI Observability & Security: Prometheus, Grafana, Loki, OpenTelemetry, OTLP, Sysdig Platform Engineering: Developer enablement, self-service infrastructure, Internal Developer Platform principles AI for Operations: AI agents, LLM-based automation, agentic workflows, AWS Bedrock, Azure AI Ways of Working: SRE, DevSecOps, Agile, ITIL environments, technical leadership, mentoring, technical workshops Certifications: AWS Solutions Architect Associate, Kubernetes CKA and CKS, GitOps, Calico Languages: French (native), English (fluent)

Context: SaaS software for ski resort. Missions: Tech lead, definition and deployment of reliable and state-of-the-art cloud-native architectures. Deployment and management of Kubernetes clusters. Cloud migration, automation, Infrastructure As Code (Terraform, Ansible), CI/CD (Gitlab). Advice and support for developers. Implementation of best practices to promote reliability, improve team work and reduce internal silos. Cloud technology watch. Tech : Kubernetes, Azure, AWS, Terraform, Gitlab-CI, Docker, YAML, Debian, Ansible, postgresql, prometheus, grafana, loki, Java, Python

Context: Research labs in environment, univers, earth sciences. Missions: Virtualization (VMware), network and systems architecture. Management of security andbackup of hypervisors and VM. Deployment and management of Kubernetes / Rancher clusters.Transforming tools and work practices with Infrastructure As Code and CI/CD orientation(packer,terraform, ansible, saltstack, gitlab). Technology Tech : Debian , CentOS, vSphere 6.5, vSAN, VDP, packer, terraform, docker, kubernetes, rancher,salt, ansible, postgresql, influxdb, zabbix, grafana.

Context: SaaS software for digital signage. Missions: Responsible of Continuous Integration and Deployment. Software packaging (Gitlab CI,Docker). Industrialization of the solution of the infrastructures via differentiated environments: prod, dev, tests. Automation scripts. Azure servers configuration with saltstack. Hardware and software L3 support. Tech: GitLab, docker, Debian, Ubuntu, SaltStack, Bash, Python, Xorg

Context: University datacenters management (1.5MW, PUE 1.2). Missions: Operational management of datacenters, servers forecasting and load balancing. Integration of a taken over datacenter in Biotech Geneva. Technical support of datacenter services, server configuration, energy supplier relations. Development of a web datacenter infrastructure management tool. Management of administration and supervision tools for datacenters, racks and PDUs. Tech: Red Hat, PHP/MySQL, Nagios, Cacti, HERMES projects.

Context: Compliance in an international group. Missions: Administration, L2 support, integration of systems and business application for compliance. Management of prod, UAT, Disaster Recovery environments. Scripts dev to enhance business tools. Technical reports about incident, systems health, DR plan. Tech: UNIX Solaris, Linux Red Hat, Windows Server, Oracle and SQL Server, bash, python,VB,ITIL

Context: IT industrial department. Missions: R&D and designing of a Cisco DMVPN network architecture for the remote start of combustion turbines. Monitoring tools administration (Nagios, Centreon, Splunk). Development of Android application, web generator of network equipment configuration. Tech: Windows Server, Red Hat, Debian, VMWare. HTML, PHP MySQL, Cisco, Fortinet.

Work on servers monitoring as part of ISO 27001 (information security management)