Recommended expert

Yannick Tessa

Cloud Architect

Yannick Tessa
Bergisch Gladbach, Germany

Experience

Jan 2025 - Present
1 year 1 month

Cloud Architect

Anonymous

  • Implementing infrastructure-as-code (IaC) with Terraform to ensure a scalable, repeatable, and secure Azure infrastructure
  • Implementing and optimizing CI/CD pipelines with Azure DevOps
  • Managing container and server environments and AKS
Jul 2024 - Dec 2024
6 months

Cloud Engineer

Berlin Transport Authority

  • Migrating from Exchange to Microsoft Exchange Online and setting up the MS Azure platform
  • Specializing in cloud infrastructure with a focus on security aspects
  • Advising and supporting various IT service owners in planning, implementing, and documenting security measures for their IT services, including design
  • Implementing zero-trust principles and defense-in-depth architectures to enhance security
  • Setting up systems to detect attacks and protect digital accounts
  • Developing and implementing security concepts for Exchange Online and MS Azure
Sep 2023 - Jun 2024
10 months

Microsoft Azure Cloud Expert / Software Architect

Schaeffler AG

  • Migrating and stabilizing an application on the MS Azure Cloud
  • Troubleshooting requests for a web application in connection with a WAF
  • Configuring Azure cloud infrastructure
  • Designing public key infrastructures and identity solutions
  • Optimizing and ensuring the functionality of the application with the existing WAF
  • Deploying applications on AKS clusters for bulk data processing based on storage accounts combined with Logic App and Azure Function via Terraform automation and a CI/CD pipeline
Jan 2023 - Nov 2023
11 months

Microsoft Azure Cloud Expert / Software Architect

Hessian Center for Data Processing

  • Further developing, optimizing, and operating several systems in a public/private cloud environment
  • Conceptual work
  • Integrating public cloud services into a private cloud environment
  • Designing architecture for developing cloud-native applications
  • Advising and supporting development projects on cloud infrastructure
Aug 2021 - Jan 2023
1 year 6 months

Cloud and Software Architect

Daimler

  • Further developing, optimizing, and maintaining a CO2 measurement system in a private cloud environment
  • Handling technology and innovation topics such as cloud (especially Azure, AWS), SaaS, PaaS
  • Further developing the big data analytics cloud platform
  • Designing architecture for developing cloud-native applications
  • Acting as a central advisor on all technical aspects for product owners, development teams, and business architects
  • Developing and implementing a cloud security strategy
Mar 2021 - Dec 2021
10 months

Cloud DevOps Engineer

Deloitte

  • Design, implementation, and support of a technical solution for delivering a cloud-native analytics application (Trufa) based on SAP
  • Consulting and support for development projects regarding cloud infrastructure
  • Deployment and delivery of a data analytics application on a cloud-based environment
  • Automation of manual processes to improve the delivery process
  • Creation of architecture and technology guidelines
Sep 2020 - Dec 2020
4 months

DevOps

Bundesdruckerei

  • Designing, creating, and maintaining the continuous integration/continuous delivery (CI/CD) pipeline using modern frameworks like GitLab and Docker
  • Ensuring the operation and maintenance of the developed applications, including monitoring, logging, and security
  • Optimizing processes and interfaces in the department and connected systems to improve data quality and automation
  • Transition to microservices
Apr 2020 - Dec 2020
9 months

DevOps / Project Manager

Generali

  • Design, implementation, and support of cloud services and infrastructure
  • Automated provisioning and management of public cloud environments (AWS, Azure, GCP) using Terraform, GitLab CI/CD, Ansible, serverless technologies (AWS Lambda, Google Cloud Functions), CloudFormation, and scripting/programming languages
  • Integration of cloud services into on-premise central services (DNS, Active Directory, monitoring and log management tools, security components)
  • Designing and building a landing zone in Azure
  • Cloud operations, including security and compliance management, cost management, and troubleshooting
  • Automated provisioning of cloud infrastructure and architecture
Sep 2017 - Apr 2020
2 years 8 months

Cloud Architect

DB Systel

  • Migration of existing, sometimes very complex corporate applications and data to AWS cloud using lift-and-shift approach
  • Serverless data integration
  • Analysis of the current architecture and creation of a cloud target architecture, considering economic, operational, and qualitative aspects
  • Building CI/CD pipelines
  • Automated setup of cloud environments
  • Deployment and configuration of IT systems
  • Development and deployment of serverless applications in a DevOps environment
  • Automation of cloud implementations
  • Documentation of the target architecture and adapted operational tasks
Apr 2017 - Jul 2017
4 months

Senior IT Consultant

SAP

  • Internal control regarding security, availability, integrity, and confidentiality for the SAP cloud offerings S/4HANA and IBP
  • Conducting workshops and interviews with respective process owners
  • Understanding the processes and technologies used
  • Analyzing processes, collecting evidence, and uncovering weaknesses
  • Following up with recommendations to address weaknesses
Feb 2017 - Apr 2017
3 months

Senior IT Consultant

DB

  • Designing an IT migration strategy from on-premise to the cloud
  • Requirements analysis
  • Identifying prerequisites, dependencies, and interfaces
  • Planning the migration
Feb 2014 - Jan 2017
3 years

DevOps

Accso

  • Designing, implementing, and maintaining enterprise services on various cloud platforms
  • Responsible for the IT infrastructure and its modernization
  • Designing, building, and maintaining AWS and MS Azure platforms
  • Building the developer services infrastructure (CI/CD) with a focus on serverless applications
  • Deploying and monitoring enterprise applications in MS Azure and AWS
  • Building and maintaining CI/CD pipelines

Summary

Mr. Tessa has more than eight years of experience as an engineer in IT. He focuses on designing, developing, and managing cloud architectures, especially on AWS and MS Azure platforms. He also supports companies on their journey to the cloud, focusing on security, data protection (BSI C5), cost savings and service improvement. He works closely with the client from project start to follow-up.

One of his strengths is working effectively and productively with all stakeholders to ensure successful project completion and meet client requirements.

Skills

Focus Areas

  • Cloud Architecture
  • Devops
  • It Security And Data Protection
  • Process Automation And Optimization
  • It Infrastructure

Hands-on Experience

  • Developing Cloud Strategies, Designing And Implementing Cloud Architectures, Cloud Consulting, Service Migration And Integration, Implementing And Managing Aws Infrastructures, Security, Data Protection, Requirements Analysis
  • Service-oriented Analysis & Design, Planning And Conducting Workshops And Interviews

Methodical Knowledge

  • Requirements Analysis
  • Scrum And Kanban (With Jira)
  • Uml
  • Itil Service Management

Technical Expertise

  • Designing And Developing Serverless Applications On The Aws Cloud
  • Devops
  • Lift And Shift Migrations And Optimizing Applications In The Cloud
  • Deploying And Managing Web Services On Various Cloud Platforms
  • Designing And Implementing Cloud Architectures (Public, Private, Hybrid)

Cross-cutting It Topics

  • It Security Management (Bsi) And Data Protection
  • Itil
  • It Audit
  • Process Optimization And Automation

Applications

  • Microsoft Excel
  • Microsoft Word
  • Microsoft Powerpoint
  • Microsoft Visio
  • Microsoft Outlook
  • Atlassian Confluence
  • Atlassian Jira

Containers

  • Kubernetes
  • Aks
  • Eks
  • Ecs
  • Docker
  • Docker Compose

Programming Languages

  • Html/css
  • Yaml
  • Bash
  • Python
  • Java

Database Systems

  • Sql
  • Postgresql
  • Oracle
  • Dynamodb
  • Rds

Cloud Computing / Virtualization

  • Aws
  • Ms Azure
  • Gcp
  • Office365
  • Openshift
  • Vmware
  • Virtualbox
  • Openstack

Automation

  • Terraform
  • Jenkins
  • Puppet
  • Chef
  • Ansible
  • Ci/cd
  • Yaml

Tools

  • Git
  • Svn
  • Jira
  • Confluence
  • Artifactory
  • Kibana
  • Prometheus
  • Grafana
  • Openshift Terminal
  • Putty
  • Docker
  • Lambda
  • Cloudformation
  • Elasticsearch
  • Cloudfront
  • Api-gateway
  • Codepipeline (Ci/cd)
  • Rds
  • Ldap
  • Nginx
  • Flux.cd
  • Glue
  • Arm

Languages

French
Native
German
Advanced
English
Advanced

Certifications & licenses

AWS Certified DevOps Engineer - Professional

AWS Certified Developer - Associate

AWS Certified Solutions Architect - Associate

AWS Certified Solutions Architect - Professional

AWS Certified SysOps Administrator - Associate

ITIL Foundation - IT Infrastructure Library

MS Azure Certified Administrator - Associate

Prince2 Foundation

Scrum Master

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