Henning Schwister

Infrastructure & Deployment Optimization in E-Commerce

Henning Schwister
Moisburg, Germany

Experience

Dec 2023 - Mar 2025
1 year 4 months

Infrastructure & Deployment Optimization in E-Commerce

WTFitworks

  • Assessment and analysis of existing CI/CD pipelines and IT infrastructure
  • Developing optimization proposals to improve continuous delivery, automated tests, and deployments
  • Enhancing provisioning of server, logging, monitoring, and database infrastructures
  • Advising on the introduction and implementation of Kubernetes and Docker technologies
Jan 2022 - Present
4 years 1 month

Founder / Cloud Engineer / Consultant

WTFitworks

Jan 2022 - Nov 2025
3 years 11 months

CI/CD Optimization in Publishing

WTFitworks

  • Consolidation and standardization of the CI/CD infrastructure (Jenkins, Bitbucket, GitLab, Nexus)
  • Introducing a centralized CI/CD stack (GitLab & Nexus) with a container-based setup
  • Setting up a test environment for safe system updates
  • Automated updates for Helm-based applications (e.g., Kafka, Postgres)
  • CI/CD pipeline for Kubernetes cluster provisioning with automated tests
  • Helm chart releases with automated deployment in test environments
  • Infrastructure as Code (Terraform, GitOps)
  • Technical training for DevOps teams on automation and deployment
Jan 2022 - Sep 2025
3 years 9 months

Cloud Infrastructure & System Design

WTFitworks

  • Commissioning and deployment support for internal and external developments in an open-source environment
  • Linux system administration and cloud administration
  • Automation with GitHub Actions, Terraform, and monitoring of operational processes
  • Monitoring and optimizing hybrid cloud and on-premises systems
  • Designing system architectures in Java, Linux, and cloud environments (AWS, Kubernetes, Docker)
  • Providing technical support to development teams for deployment, operations, and system issues
Oct 2020 - Dec 2021
1 year 3 months
Germany

DevOps Engineer

Euroleasing GmbH

  • Planning, provisioning, and deploying modern infrastructures and services into production with the team (AWS, Kubernetes, Docker)
  • CI/CD with GitLab and Concourse CI
  • Monitoring with CloudWatch, Prometheus, and Grafana
  • Automating setup of Linux servers and clusters (EKS) using Terraform and Ansible
  • Troubleshooting and documentation
  • Close collaboration with the development team
Jul 2018 - Sep 2020
2 years 3 months
Hamburg, Germany

DevOps Engineer

ISA GmbH

  • Maintenance of Linux systems (mainly Debian)
  • IaC with Ansible
  • Installation and operation of Kubernetes clusters based on Rancher
  • Monitoring / logging of the systems (PRTG, ELK)
  • Network analysis and process optimization
  • Troubleshooting and documentation
  • Close collaboration with the development team
Feb 2018 - Jun 2018
5 months
Hamburg, Germany

DevOps Engineer

Surf Media GmbH

  • Provisioning of development systems and tools and supporting developers in using them
  • Early detection and elimination of bottlenecks and outages before they become a problem (site reliability)
  • Administration and optimization of the infrastructure
  • Development of Saltstack code for managing the technology
  • Consultant role in various projects within the company
Feb 2017 - Jan 2018
1 year
Hamburg, Germany

IT Specialist

mgm Technology Partners GmbH

  • Expert knowledge in technical project infrastructure as well as build and deployment topics
  • Provision of central infrastructure components and project-specific build and test systems
  • Supporting projects with know-how and R&D activities on new technologies
  • DevOps engineer within the project team
  • Consultant role for various projects
  • Creation of build pipelines (Jenkins)
  • Improvement and extension of the cluster (monitoring, logging)
Apr 2013 - Jan 2017
3 years 10 months
Hamburg, Germany

QA Manager

NEXMO Solutions GmbH & Co. KG

  • QA of all developed software components and products
  • Setup, maintenance, and ongoing improvement of cross-platform IT infrastructure (Linux and Windows)
  • Server virtualization, monitoring of complex server services (e.g. Icinga2)
  • Continuous development and optimization of all tools
  • Applying operational feedback to improve processes and procedures
  • DevOps interface between software development and IT operations
  • Integration of new hardware and software solutions into the existing system
  • 2nd level support (Java/PHP, databases: Postgres, MSSQL, MySQL)
Dec 2009 - Apr 2013
3 years 5 months
Hamburg, Germany

Team Lead for Customer Support

NEXMO Solutions GmbH & Co. KG

  • Leading projects
  • Administration of client/server systems
  • Analysis, planning, and support of IT solutions
  • Process and procedure improvement based on operational experience
  • Integration of new hardware and software solutions
  • Problem solving
  • 1st level support
  • Quality assurance

Languages

German
Native
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