Solution Architect: Software - Cloud - DevOps | Senior IT Consultant | Senior: Software Developer - Data Engineer

1/2021 – 7/2022

Data analysis and large-scale migration of Business Intelligence Data Processing pipelines from on-prem Hadoop cluster to a cloud Data-Lake.
Stakeholder management. Development of a custom cloud-based, multisource data ingestion system.

Tech-Stack:
- Google Cloud (BigQuery, Dataflow, PubSub, Cloud Functions / Build / Storage, Logging, GKE, App Engine, KMS etc.)
- Hadoop, Exasol, MSSQL, Oracle, SAP HANA
- Kafka / Kafka-Connect, ActiveMQ, Apache Beam
- AWS (SNS, SQS)
- OpenShift
- Java, Spring Boot, Python, Flask
- Terraform, GitHub Enterprise, Bitbucket
- JSON, Protobuf, Avro, XML
- Shell scripting, SQL, Power BI
- Control-M, Grafana

Amazon Web Services (AWS), Apache Hadoop, Apache Kafka, Bash Shell, Big Data, Exasol, Google Cloud, Java (allg.), Kubernetes, Microsoft SQL-Server (MS SQL), Openshift, Python, Shell (CSH), Spring Framework

10/2020 – 12/2020

Consulting on design and implementation of OpenShift based automation solutions for deployment and management of Microservices in the field of medical insurance.

Tech Stack:

- OpenShift
- Docker
- Helm
- Kafka
- GitLab CI/CD
- Prometheus, Grafana
- Microservices, REST

Docker, Openshift, Representational State Transfer (REST)

3/2020 – 8/2020

Automation, administration and optimization of a large-scale AWS infrastructure landscape for critical systems in the energy sector.

Tech Stack:
- AWS
-- EC2
-- RDS
-- ECR
-- Lambda
-- CloudFormation
-- SSM
-- S3
-- SNS

- Ansible
- AWX
- GitLab CI/CD
- Docker
- Kubernetes
- Python
- Shell
- PowerShell
- Monitoring
-- ELK
-- Observium
- Linux / Windows

Amazon Web Services (AWS), Ansible, Bash Shell, Docker, Git, Iaas, Kubernetes, Microsoft Windows (allg.), Python, Red Hat Enterprise Linux (RHEL), Server-Monitoring, Ubuntu, Virtualisierung (Allg.), Windows Powershell

9/2019 – 11/2019

Consulting the operations team on automation of infrastructure configuration and automated deployment of Splunk platform (Analytics and Monitoring).
Automation of VMWare based infrastructure management.

Tech-stack:

RHEL, Splunk, VMWare, Docker
Ansible, PowerShell / PowerCLI Scripting, Python, Git

(project via accredia GmbH)

Ansible, Python, Red Hat Enterprise Linux (RHEL), Vmware Vsphere, Windows Powershell

1/2017 – 3/2019

DevOps Architect in a large project with international distributed teams at the Digital Factory Division.

Solution design and setup of the CI/CD environment from ground up.
Consulting the DevOps and development teams on a variety of topics, such as containerization, VMs customization, implementing automation of configuration and infrastructure management.

Tech stack:
- Docker
- Jenkins
- Python
- Ansible
- Kubernetes
- Artifactory
- HashiCorp Vault
- HashiCorp Packer
- Vagrant
- SonarQube
- Grafana
- LXC / LXD
- systemd-nspawn
- GitLab, TFS
- Shell and PowerShell scripting
- VMWare ESXi
- PowerCLI Automation
- Debian

Ansible, Bash Shell, Debian Linux, DevOps (allg.), Docker, Git, Jenkins, Kubernetes, Python, Ubuntu, Virtualisierung (Allg.), Vmware ESX Server, Windows Powershell

8/2016 – 12/2016

Big Data Developer at the Energy Management Division:
Development of high performance Big Data streaming and Big Data Analytics system.

- Storm
- Kafka
- Hadoop
- Hive
- HBase
- Cassandra
- Oozie
- Pig
- ZooKeeper
- HDP (Hortonworks Data Platform)

Apache Hadoop, Big Data, Postgresql, Apache Spark, Bash Shell, Git, J2EE, Python

11/2015 – 8/2016

IT-Consulting
Custom development

Calypso, Mongodb, Mysql, Oracle Database, SQL, Software Design, Assemblersprache, Bash Shell, Eclipse, Git, J2EE, Java (allg.), Linux Entwicklung, Perl, PL/SQL, Distributed Computing, VBA (Visual Basic for Applications), JavaScript-Frameworks, PHP, React (JavaScript library), Zend Framework, It-Beratung