Yannick Tessa

Cloud Architect

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.

Key areas:

  • Cloud architecture
  • DevOps
  • IT security and data protection
  • Process automation and optimization
  • IT infrastructure

Hands-on experience in the following tasks:

  • Cloud strategy development
  • 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 & conducting workshops and interviews
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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