Yannick Tessa - Cloud Architect

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Bergisch Gladbach, Germany

Experience

Jan 2025 - Present

7 months

Cloud Architect

Anonym

Implemented Infrastructure-as-Code (IaC) with Terraform to ensure a scalable, repeatable, and secure Azure infrastructure
Implemented and optimized CI/CD pipelines with Azure DevOps
Managed container and server environments and AKS

Jul 2024 - Dec 2024

6 months

Cloud Engineer

Berliner Verkehrsbetriebe (BVG)

Migrated from on-prem Exchange to Microsoft Exchange Online and built the MS Azure platform
Specialized in cloud infrastructures with a focus on security aspects
Advised and supported various IT service owners in planning, implementing, and documenting security-related measures for their IT services, including design
Implemented zero-trust principles and defense-in-depth architectures to enhance security
Set up systems for attack detection and digital account protection
Developed and implemented security concepts for Exchange Online and MS Azure

Sep 2023 - Jun 2024

10 months

Microsoft Azure Cloud Expert / Software Architect

Schaeffler AG

Migrated and stabilized an application in the MS Azure cloud
Analyzed errors for web application requests in connection with a WAF
Configured Azure cloud and infrastructure
Designed public key infrastructures and identity solutions
Optimized and ensured application functionality in conjunction with the existing WAF
Deployed applications on AKS clusters for large-scale data processing based on storage accounts combined with Logic Apps and Azure Functions via Terraform automation and CI/CD pipeline

Jan 2023 - Nov 2023

11 months

Microsoft Azure Cloud Expert / Software Architect

Hessische Zentrale für Datenverarbeitung

Enhanced, optimized, and operated multiple processes in a public/private cloud environment
Performed design work
Integrated public cloud services into a private cloud environment
Architected cloud-native applications
Advised and supported development projects on cloud infrastructure

Aug 2021 - Jan 2023

1 year 6 months

Cloud and Software Architect

Daimler

Enhanced, optimized, and maintained a CO2 measurement process in a private cloud environment
Worked on technology and innovation topics like cloud (especially Azure, AWS), SaaS, PaaS
Further developed the Big Data Analytics cloud platform
Architected cloud-native applications
Acted as a central advisor on all technical aspects for product owners, development teams, and business architects
Developed and implemented a cloud security strategy

Mar 2021 - Dec 2021

10 months

Cloud DevOps Engineer

Deloitte

Designed, implemented, and managed a technical solution for delivering a cloud-native analytics application (Trufa) based on SAP
Advised and supported development projects on cloud infrastructure
Deployed and delivered a data analytics application on cloud-based environments
Automated manual processes to improve the delivery process
Created architecture and technology guidelines

Sep 2020 - Dec 2020

4 months

DevOps

Bundesdruckerei

Designed, built, and maintained the continuous integration/continuous delivery (CI/CD) pipeline using modern frameworks like GitLab and Docker
Ensured operation and maintenance of developed applications with monitoring, logging, and security in mind
Optimized processes and interfaces within the team and connected systems to improve data quality and automation
Transitioned to microservices

Apr 2020 - Dec 2020

9 months

DevOps / Project Manager

Generali

Designed, implemented, and managed cloud services and infrastructure
Automated provisioning and management of public cloud environments (AWS, Azure, GCP) using Terraform, GitLab CI/CD, Ansible, Serverless (AWS Lambda, Google Cloud Functions), CloudFormation, and scripting/programming languages
Integrated cloud services with on-premise central services (DNS, Active Directory, monitoring and log management tools, security components...)
Designed and built a landing zone in Azure
Managed cloud operations, such as security/compliance, cost management, and troubleshooting
Automated deployment of cloud infrastructure and architecture

Sep 2017 - Apr 2020

2 years 8 months

Cloud Architect

DB Systel

Migrated existing, sometimes very complex, group applications and data to the AWS cloud using a lift-and-shift approach
Implemented serverless data integration
Analyzed the current architecture and created a target cloud architecture considering economic, operational, and quality aspects
Built CI/CD pipelines
Automated environment setup in the cloud
Deployed and configured IT processes
Developed and deployed serverless applications in a DevOps environment
Automated cloud implementations
Documented the target architecture and operational procedures

Apr 2017 - Jul 2017

4 months

Senior IT Consultant

SAP

Handled internal controls for security, availability, integrity, and confidentiality of the SAP cloud offerings S/4HANA and IBP
Conducted workshops and interviews with the respective process owners
Gained a general understanding of processes and technologies used
Analyzed processes, gathered evidence, and identified weaknesses
Follow-up: recommended and remediated weaknesses

Feb 2017 - Apr 2017

3 months

Senior IT Consultant

DB

Designed an IT migration strategy from on-premise to the cloud
Conducted requirements analysis
Identified prerequisites, dependencies, and interfaces
Planned the migration

Feb 2014 - Jan 2017

3 years

DevOps

Accso

Designed, implemented, and managed enterprise services across various cloud platforms
Took responsibility for IT infrastructure and its modernization
Designed, built, and managed AWS and MS Azure platforms
Set up developer service infrastructure (CI/CD) focusing on serverless application development
Deployed and later monitored various enterprise applications in MS Azure and AWS
Built and maintained CI/CD pipelines

Summary

Mr. Tessa has more than eight years of experience as an engineer in computer science. His work focuses on designing, developing, and maintaining cloud architectures, especially AWS and MS Azure platforms. In addition, he guides companies on their journey to the cloud with a special focus on security, data protection (BSI C5), cost savings, and service improvement. He works side by side with the client, from project initiation to follow-up.

One of his strengths is effective and productive collaboration with all stakeholders to successfully complete the project and meet customer requirements.

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