Product Owner, Architect, Platform and Cloud
Aktualisiert am 10.11.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.01.2026
Verfügbar zu: 100%
davon vor Ort: 50%
Product Management
Architekt
AWS
CI/CD
Kubernetes
Docker
Kafka
Terraform
KeyCloak
Product Management
Cloud Architect
Scrum Product Owner
Englisch
Sicher in Schrift und Wort, Arbeitssprache

Einsatzorte

Einsatzorte

Deutschland
möglich

Projekte

Projekte

1 Jahr 4 Monate
2024-08 - heute

Technical Product Owner / Consultant Private Cloud Migrations

Project Management Stakeholder and Client Management Architecture Management ...

  • Build-up of and head of private cloud consulting team
  • Definition of strategy and processes for migration of existing projects to private cloud and Kubernetes platform
  • Management for cloud transformation of several projects
  • Technical lead for project migrations, target architecture and security concept
  • Alignment with stakeholders and departments, requirements engineering
  • Definition of private cloud platform services, vision and road map, maintenance of backlog

OpenShift GitOps ArgoCD GitLab Ci/CD Harbour Artifactory Helm Terraform Prometheus Grafana Elasticsearch Kibana Private Cloud VMware Cloud Foundation vSphere Aria Suite ESXi NSX Oracle Cloud Infrastructure (OCI) Hashicorp Vault MinIO ServiceNow Remedy
Project Management Stakeholder and Client Management Architecture Management TOGAF SAFe Kanban jira Scrum Product Owner SLA BSI C5 ISO 27001/2 ITSM
Hess. Zentrale f. Datenverarbeitung
Wiesbaden / Remote
2 Jahre 9 Monate
2021-10 - 2024-06

Product Owner / Lead Architect

Lead Architect / Product Owner Kubernets Architekt PKI ...
Lead Architect / Product Owner

Lead Architect

  • responsible of architecture managementin department with 40 developers in five teams
  • Establish architecture guidelines,tooling and decision processes
  • Map client requirements to businessobjectives, creation of product release plan
  • Migration of legacy monolithicsoftware to micro services in high security context
  • Conception of container basedmicroservice solution (Kubernetes)and migration path


Product Owner / Headof Platform Team

  • Build team from scratch, responsiblefor leading a team of 8 developers & architects
  • Drive creation of platform, releasemanagement, shipping, and secure operations (SecOps)
  • Project management in environmentwith multiple stakeholders
  • Creation of product road map &prioritise features
  • Implementation of test- and quality managementand DevOps automation


SecurityOperation (SecOps) and Software Audit / Certification

  • Drive BSI software certification processaccording to Commons Criteria
  • Audition according to ?ITGrundschutz? (BSI)
  • Implementation of PKI infrastructureand cryptographic methods

Kubernetes KeyCloak Common Criteria GitLab Atlassian Confluence Atlassian JIRA
Kubernets Architekt PKI Verschlüsselung Container Java IT-Grundschutz Hochverfügbarkeit Project Controlling Testautomatisierung
Dresden / Remote
5 Monate
2021-01 - 2021-05

Enterprise Architecture: Cloud / DevOps

Architecture EKS ECR Terraform ...
Architecture

Enterprise Architecture

  • Contribution to centralize DevOps, Cloud and Kubernetes processes
  • Concept of reusable terraform modules for setup of infrastructure

Big Data Processing

  • Architecture of high availability / low latency cluster in EKS
  • Automated cloud deployment (CI/CD) of solutions for algo based exchange market
  • Security framework with OIDC, external DNS in private facing cluster
  • creation of build pipelines for deployment of base infrastructure and applications
KeyCloak
EKS ECR Terraform Docker Helm Security
RWE
Essen
1 Jahr
2020-01 - 2020-12

Cloud Architecture / Data Processing Automation

Enterprise Architect: Cloud, DevOps, Container technologies AWS Terraform Azure DevOps ...
Enterprise Architect: Cloud, DevOps, Container technologies

Enterprise Architecture

  • Introduction of container-based concepts for increased flexibility while reduced maintenance time
  • Driver for onboarding container technology into embedded legacy environment
  • Identification of target and operation model and aligning with corporate stakeholders
  • Creation of container security concept and rollout with legacy security departments
  • Setup of hybrid Kubernetes cluster AWS cloud / on-premise as reusable boilerplate

Big Data Processing

  • Data Warehouse (Redshift / Spark / Jupyter) in AWS
  • Interface to existing Kafka middleware
  • DB automation workflow, based on containers
Azure Aure DevOps TeamFoundationServer AWS
AWS Terraform Azure DevOps Docker Container DevSecOps Architecture kubernetes Helm
RWE
Essen
1 Jahr 3 Monate
2018-10 - 2019-12

Data Center Migration Cloud, DevOps, Kafka, Kubernetes

Solution Architect Amazon Web Service Cloud DevOps ...
Solution Architect

    • Cloud Migration (AWS)

      • Analysis of existing hybrid application server environment with focus on middle ware solutions
      • Development of cloud solution architecture for complex IT solutions
      • Elaboration of detailed migration plans into the cloud
      • Data Center transformation to AWS

    • Windows Migration: / re-domaining / re-platforming

    • Kafka: Architecture and implementation of HA middleware

      • Planning and setup of multiple high availability solutions for business-critical systems
      • Metrics: create individual dashboards JVM and topics based (Prometheus & Grafana)
      • Monitoring and alerting (ELK-Stack, Nuget)
      • Authentication and access control
      • Roll out of multiple clusters, implementation of SLA / support team
Teamcity Chef Kafka AWS grafana Prometheus elasticsearch kubernetes Kibana Nuget JVM ELK-Stack Chef
Amazon Web Service Cloud DevOps CI Continuous Integration
RWE
Essen
1 Monat
2018-10 - 2018-10

Docker, Container-Orchestrierung im IoT Umfeld

Docker Berater Docker Orchestration .NET ...
Docker Berater
  • Containerisieurung einer .net Anwendung im IoT Bereich
  • Erstelllen einer individuellen Orchestrierung von Containern in großem Umfang
  • Erstellen einer GUI zur Visualisierung der Container-Orchestrierung

Docker Orchestration .NET IoT
Trumpf Laser
D-73491 Schwenningen
3 Monate
2018-07 - 2018-09

Migration Cloud (Azure) Docker / Kubernetes

DevOps / Infrastrutktur Berater Container Cloud Azure ...
DevOps / Infrastrutktur Berater
  • Analyse der bestehenden Anwendungs-Struktur
  • Konzeption der Infarstruktur / Containerisierung
  • Aufbau der Microservices, Containerisieriung der Komponenten
  • Orchestrierung und Betriebslösungen für Entwicklung und Betrieb.
  • CI / CD Pipeline
  • Deployment in Azure
  • Aufsetzen von DevOps Workflow und Einbindung von externen Diensleister
gitlab-ci
Container Cloud Azure Docker Kubernetes Redis
Trumpf Laser
D-73491 Schwenningen
7 Monate
2018-03 - 2018-09

Cloud Migration of legacy stack

Cloud Architect AWS Terraform CodeDeploy ...
Cloud Architect
  • AWS Solution Architecture for high availability, high load solution
  • dynamic auto scaling
  • Cloud readiness of application: refactoring, Consulting
  • Setup of continuous deployment (CD) and automated OS patching
AWS Terraform CodeDeploy Hashicorp Packer CDN
imFernsehen GmbH & Co. KG
Köln
3 Monate
2018-04 - 2018-06

Containerisierung / DevOps / Cloud Deployment

DevOps Berater Continuous Integration AWS Cloud
DevOps Berater
  • Architektur-Beratung des Entwickler-Teams
  • Containerisierung der Anwendung RoboAdvisor
  • Aufsetzen Development-Workflow
  • CI / CD Pipeline
  • Deployment der Infrastruktur in der Cloud (AWS / Kubernetes)
Kubernetes Jenkins
Continuous Integration AWS Cloud
insoro GmbH
Köln

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Monate
2024-06 - 2024-07

TOGAF

Enterprise Architect,
Enterprise Architect
1 Monat
2018-06 - 2018-06

AWS certified Solution Architect

AWS certified Solution Architect, Amazon Web Services
AWS certified Solution Architect
Amazon Web Services
  • Cloud Infrastruktur
  • Security
4 Monate
2014-09 - 2014-12

Professional Scrum Master

Scrum Master, Scrum.org
Scrum Master
Scrum.org
5 Jahre 2 Monate
1991-03 - 1996-04

Studium

Economics / Linguistics (M.A.)., RWTH Aachen
Economics / Linguistics (M.A.).
RWTH Aachen

Kommunikation und Medien

Examensarbeit:

?Neue Medien in der Unternehmenskommunikation? (Note: ?seht gut?)

Kompetenzen

Kompetenzen

Top-Skills

Product Management Architekt AWS CI/CD Kubernetes Docker Kafka Terraform KeyCloak Product Management Cloud Architect Scrum Product Owner

Aufgabenbereiche

Architecture
DevOps
DevSecOps

Produkte / Standards / Erfahrungen / Methoden

Amazon Web Service
Experte
Architecture
Experte
Aure DevOps
Fortgeschritten
AWS
Experte
Azure
Fortgeschritten
CI
Experte
Cloud
Experte
Container
Experte
Continuous Integration
Experte
DevOps
Experte
Docker
elasticsearch
Fortgeschritten
ELK-Stack
Fortgeschritten
gitlab-ci
Fortgeschritten
Grafana
Experte
IoT
Experte
Java
Fortgeschritten
Jenkins
JVM
Kafka
Experte
KeyCloak
Fortgeschritten
Kubernetes
Experte
Prometheus
Fortgeschritten
togaf
Experte
Produc Owner
Experte

Architecture:         

Software Architecture, Enterprise / Solution Architecture, TOGAF, ARC42, UML

Cloud:                   

Cloud migration (on premise to cloud), Hybrid-Cloud, AWS (Amazon Web Services), Azure, GAIA-X contributor, Architecture, Security and Operations, High Availability Concepts

Projekt-Management / Product Owner:

Agile Entwicklung (Scrum), Kanban, Test Driven Development (TDD), Continuous Integration (CI) MS-Project, UML, Merlin, Redmine, Jira, Confluence

CI / CD:                 

Jenkins, GitLab-CI, Azure DevOps (Team Foundation Server), TeamCity, Sonartype Nexus, ChefDK, Chef-Server, ansible, Github, GitLab, Bitbucket

Infrastructure as Code:

Terraform, Cloud Formation, AWS CDK etc

Serverless             

Lambda, Lambda@Edge, Fargate, EKS, ECS

Security:                

BSI Product Certification (Commons Criteria), IT-Grundschutz BSI, Cloud and Container Security Architecture

SecOps:                

Private Key Infrastructure (PKI), SSO / KeyCloak, Firewalls (Tufing), AquaSecuriy, Twistlock (Prisma), trivy, Hashicorp Vault, anchore, Claire ? vulnerability scanners

Big Data:               

Kafka: high availability, high performance setup, MongoDB, Python

QA/Testing:           

Junit, QTest, Selenium, PHPUnit, Gauge

IoT:                       

ActiveMQ, RabbitMQ, MQTT

Monitoring & Search Engines:     

Prometheus, InfluxDB, Grafana, ELK-Stack, Elasticsearch, Nagios, AppDynamics, Redis, Varnish, SOLR

Server / OS:           

Red Hat Enterprise Linux (RHEL), CentOS, Debian, Ubuntu, Windows Server

Enterprise Apps:    

Cisco Call Manager, SCCM packaging tool, ActiveDirectory, SAP-HR

berufliche Erfahrungen

10/21 ? now      Product Owner & Lead Architect ? Secunet Security (External Contract)

  • Lead architect for security relevant software for department with 40 persons in five teams
  • Onboarding and lead of platform team (7 persons): Kubernetes, DevOps
  • Interface between stakeholders / business objectives and implementation
  • Release Management, responsible for shipping a high security solution

10/18 ? 10/21   Enterprise Architecture: Cloud / DevOps ? RWE Supply & Trading (External Contract)

  • Analysis of existing hybrid application server environment with focus on middle ware solutions
  • Development of cloud solution architecture for complex IT solutions
  • Driver for onboarding container technologies into embedded legacy environment
  • Identification of target and operation model and aligning with corporate stakeholders
  • Contribution to centralize DevOps, Cloud and Kubernetes processes

since 1/18 Cloud Architect / DevOps Infrastruktur & Cloud
? Solution Architect Cloud und Infrastruktur
? Container & Deployment: Docker, Kubernetes, CI/CD

3/16 ? 12/17 CTO / Managing Director: tsitrone medien GmbH & Co. KG, Cologne
? Implementation of agile processes (scrum) as well as team-wide workflow
? Team building: strategic personnel planning, recruitment and development of new employees, continuous feedback and improvement process
? Implementation of local network infrastructure including server virtualisation, firewall and security policy

9/15 ? 2/16 CTO: tsitrone medien GmbH & Co. KG, Cologne
? Building the Web-Unit: technical standards, Re-align of technology stack.
? Software Architecture / Deployment Automation
? Implementation of quality gates

since 1/14 Trainer / Lecturer: GFU, Köln
? Test Driven Development (TDD), Continuous Integration (CI), Continuous Delivery (CD)
? Zend Framework: Enterprise Web Solutions
? TYPO3 for Administrators & Exentsion Development
? PHP - for advanced users: design patterns
? Git version management

9/10 ? 8/15 Software Architecture/ Development (self-employed, 2 freelancers)
Clients: Sparkasse Gifhorn, Sprachreisen.de, Gothaer Systems, u.a.
? Consulting, Trotec, among others.
? Technical consulting, concept and development of web projects
? Coaching and development of development teams (Deployment, Continuous Integration)
? Software Development (Human Resources)

10/01 ? 8/10 Software & Product Developer (Freelancer)
Clients: Daimler, Lidl, Manpower, Deutsche Post, Kunsthochschule für Medien Köln u.a.
? Newsletter Solution: Large project 250,000 lines of code
? Online Survey Software & Suitability Diagnostics (Human Resources)
? Operation of software as a service for customers (SaaS)

4/00 ? 9/01 Project Manager / Consultant
? Conception of a web portal in the personnel sector
? Project management for web applications at international level
? Market analysis, development of e-commerce service, e-recruiting solutions'

6/98 ? 4/00 Head of Internet Services: Career Company, Köln (HR Consultancy)
? Responsible for all online activities. Budget and personnel responsibility
? Project management for several relays: needs analysis, concept, agency selection, prototyping, roll-out, training.
? Development of the online brand 'career.de': content management, marketing, partnerships.

11/1995 ? 03/1996

Freier Mitarbeiter ?Media Services?: EMDS Consulting, Aachen

1993 - 1994

Assistenz der Geschäftsführung, Teilzeit bei VBS Schweißtechnik, Wallau

  • Analyse des Automobil-Markts sowie von betriebswirtschaftlichen Kenngrößen als Basis für zukünftige strategische Entscheidungen
  • Implementierung des lokalen Netzwerkes (LAN) & System zur Produktions- Planung und Steuerung (PPS)

1989

Programmierung (C) einer Schulungssoftware für Lernbehinderte (Freelancer)

1984

Programmierung (Pascal) eines Expertensystems zur Berechnung und Evaluation der individuellen
Herstellbarkeit von Verpackungsmaschinen (Krämer & Grebe, Wallau)

Programmiersprachen

Helm
Experte
JavaScript
Fortgeschritten
Terraform
Experte
java
Fortgeschritten
php
Experte

Einsatzorte

Einsatzorte

Deutschland
möglich

Projekte

Projekte

1 Jahr 4 Monate
2024-08 - heute

Technical Product Owner / Consultant Private Cloud Migrations

Project Management Stakeholder and Client Management Architecture Management ...

  • Build-up of and head of private cloud consulting team
  • Definition of strategy and processes for migration of existing projects to private cloud and Kubernetes platform
  • Management for cloud transformation of several projects
  • Technical lead for project migrations, target architecture and security concept
  • Alignment with stakeholders and departments, requirements engineering
  • Definition of private cloud platform services, vision and road map, maintenance of backlog

OpenShift GitOps ArgoCD GitLab Ci/CD Harbour Artifactory Helm Terraform Prometheus Grafana Elasticsearch Kibana Private Cloud VMware Cloud Foundation vSphere Aria Suite ESXi NSX Oracle Cloud Infrastructure (OCI) Hashicorp Vault MinIO ServiceNow Remedy
Project Management Stakeholder and Client Management Architecture Management TOGAF SAFe Kanban jira Scrum Product Owner SLA BSI C5 ISO 27001/2 ITSM
Hess. Zentrale f. Datenverarbeitung
Wiesbaden / Remote
2 Jahre 9 Monate
2021-10 - 2024-06

Product Owner / Lead Architect

Lead Architect / Product Owner Kubernets Architekt PKI ...
Lead Architect / Product Owner

Lead Architect

  • responsible of architecture managementin department with 40 developers in five teams
  • Establish architecture guidelines,tooling and decision processes
  • Map client requirements to businessobjectives, creation of product release plan
  • Migration of legacy monolithicsoftware to micro services in high security context
  • Conception of container basedmicroservice solution (Kubernetes)and migration path


Product Owner / Headof Platform Team

  • Build team from scratch, responsiblefor leading a team of 8 developers & architects
  • Drive creation of platform, releasemanagement, shipping, and secure operations (SecOps)
  • Project management in environmentwith multiple stakeholders
  • Creation of product road map &prioritise features
  • Implementation of test- and quality managementand DevOps automation


SecurityOperation (SecOps) and Software Audit / Certification

  • Drive BSI software certification processaccording to Commons Criteria
  • Audition according to ?ITGrundschutz? (BSI)
  • Implementation of PKI infrastructureand cryptographic methods

Kubernetes KeyCloak Common Criteria GitLab Atlassian Confluence Atlassian JIRA
Kubernets Architekt PKI Verschlüsselung Container Java IT-Grundschutz Hochverfügbarkeit Project Controlling Testautomatisierung
Dresden / Remote
5 Monate
2021-01 - 2021-05

Enterprise Architecture: Cloud / DevOps

Architecture EKS ECR Terraform ...
Architecture

Enterprise Architecture

  • Contribution to centralize DevOps, Cloud and Kubernetes processes
  • Concept of reusable terraform modules for setup of infrastructure

Big Data Processing

  • Architecture of high availability / low latency cluster in EKS
  • Automated cloud deployment (CI/CD) of solutions for algo based exchange market
  • Security framework with OIDC, external DNS in private facing cluster
  • creation of build pipelines for deployment of base infrastructure and applications
KeyCloak
EKS ECR Terraform Docker Helm Security
RWE
Essen
1 Jahr
2020-01 - 2020-12

Cloud Architecture / Data Processing Automation

Enterprise Architect: Cloud, DevOps, Container technologies AWS Terraform Azure DevOps ...
Enterprise Architect: Cloud, DevOps, Container technologies

Enterprise Architecture

  • Introduction of container-based concepts for increased flexibility while reduced maintenance time
  • Driver for onboarding container technology into embedded legacy environment
  • Identification of target and operation model and aligning with corporate stakeholders
  • Creation of container security concept and rollout with legacy security departments
  • Setup of hybrid Kubernetes cluster AWS cloud / on-premise as reusable boilerplate

Big Data Processing

  • Data Warehouse (Redshift / Spark / Jupyter) in AWS
  • Interface to existing Kafka middleware
  • DB automation workflow, based on containers
Azure Aure DevOps TeamFoundationServer AWS
AWS Terraform Azure DevOps Docker Container DevSecOps Architecture kubernetes Helm
RWE
Essen
1 Jahr 3 Monate
2018-10 - 2019-12

Data Center Migration Cloud, DevOps, Kafka, Kubernetes

Solution Architect Amazon Web Service Cloud DevOps ...
Solution Architect

    • Cloud Migration (AWS)

      • Analysis of existing hybrid application server environment with focus on middle ware solutions
      • Development of cloud solution architecture for complex IT solutions
      • Elaboration of detailed migration plans into the cloud
      • Data Center transformation to AWS

    • Windows Migration: / re-domaining / re-platforming

    • Kafka: Architecture and implementation of HA middleware

      • Planning and setup of multiple high availability solutions for business-critical systems
      • Metrics: create individual dashboards JVM and topics based (Prometheus & Grafana)
      • Monitoring and alerting (ELK-Stack, Nuget)
      • Authentication and access control
      • Roll out of multiple clusters, implementation of SLA / support team
Teamcity Chef Kafka AWS grafana Prometheus elasticsearch kubernetes Kibana Nuget JVM ELK-Stack Chef
Amazon Web Service Cloud DevOps CI Continuous Integration
RWE
Essen
1 Monat
2018-10 - 2018-10

Docker, Container-Orchestrierung im IoT Umfeld

Docker Berater Docker Orchestration .NET ...
Docker Berater
  • Containerisieurung einer .net Anwendung im IoT Bereich
  • Erstelllen einer individuellen Orchestrierung von Containern in großem Umfang
  • Erstellen einer GUI zur Visualisierung der Container-Orchestrierung

Docker Orchestration .NET IoT
Trumpf Laser
D-73491 Schwenningen
3 Monate
2018-07 - 2018-09

Migration Cloud (Azure) Docker / Kubernetes

DevOps / Infrastrutktur Berater Container Cloud Azure ...
DevOps / Infrastrutktur Berater
  • Analyse der bestehenden Anwendungs-Struktur
  • Konzeption der Infarstruktur / Containerisierung
  • Aufbau der Microservices, Containerisieriung der Komponenten
  • Orchestrierung und Betriebslösungen für Entwicklung und Betrieb.
  • CI / CD Pipeline
  • Deployment in Azure
  • Aufsetzen von DevOps Workflow und Einbindung von externen Diensleister
gitlab-ci
Container Cloud Azure Docker Kubernetes Redis
Trumpf Laser
D-73491 Schwenningen
7 Monate
2018-03 - 2018-09

Cloud Migration of legacy stack

Cloud Architect AWS Terraform CodeDeploy ...
Cloud Architect
  • AWS Solution Architecture for high availability, high load solution
  • dynamic auto scaling
  • Cloud readiness of application: refactoring, Consulting
  • Setup of continuous deployment (CD) and automated OS patching
AWS Terraform CodeDeploy Hashicorp Packer CDN
imFernsehen GmbH & Co. KG
Köln
3 Monate
2018-04 - 2018-06

Containerisierung / DevOps / Cloud Deployment

DevOps Berater Continuous Integration AWS Cloud
DevOps Berater
  • Architektur-Beratung des Entwickler-Teams
  • Containerisierung der Anwendung RoboAdvisor
  • Aufsetzen Development-Workflow
  • CI / CD Pipeline
  • Deployment der Infrastruktur in der Cloud (AWS / Kubernetes)
Kubernetes Jenkins
Continuous Integration AWS Cloud
insoro GmbH
Köln

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Monate
2024-06 - 2024-07

TOGAF

Enterprise Architect,
Enterprise Architect
1 Monat
2018-06 - 2018-06

AWS certified Solution Architect

AWS certified Solution Architect, Amazon Web Services
AWS certified Solution Architect
Amazon Web Services
  • Cloud Infrastruktur
  • Security
4 Monate
2014-09 - 2014-12

Professional Scrum Master

Scrum Master, Scrum.org
Scrum Master
Scrum.org
5 Jahre 2 Monate
1991-03 - 1996-04

Studium

Economics / Linguistics (M.A.)., RWTH Aachen
Economics / Linguistics (M.A.).
RWTH Aachen

Kommunikation und Medien

Examensarbeit:

?Neue Medien in der Unternehmenskommunikation? (Note: ?seht gut?)

Kompetenzen

Kompetenzen

Top-Skills

Product Management Architekt AWS CI/CD Kubernetes Docker Kafka Terraform KeyCloak Product Management Cloud Architect Scrum Product Owner

Aufgabenbereiche

Architecture
DevOps
DevSecOps

Produkte / Standards / Erfahrungen / Methoden

Amazon Web Service
Experte
Architecture
Experte
Aure DevOps
Fortgeschritten
AWS
Experte
Azure
Fortgeschritten
CI
Experte
Cloud
Experte
Container
Experte
Continuous Integration
Experte
DevOps
Experte
Docker
elasticsearch
Fortgeschritten
ELK-Stack
Fortgeschritten
gitlab-ci
Fortgeschritten
Grafana
Experte
IoT
Experte
Java
Fortgeschritten
Jenkins
JVM
Kafka
Experte
KeyCloak
Fortgeschritten
Kubernetes
Experte
Prometheus
Fortgeschritten
togaf
Experte
Produc Owner
Experte

Architecture:         

Software Architecture, Enterprise / Solution Architecture, TOGAF, ARC42, UML

Cloud:                   

Cloud migration (on premise to cloud), Hybrid-Cloud, AWS (Amazon Web Services), Azure, GAIA-X contributor, Architecture, Security and Operations, High Availability Concepts

Projekt-Management / Product Owner:

Agile Entwicklung (Scrum), Kanban, Test Driven Development (TDD), Continuous Integration (CI) MS-Project, UML, Merlin, Redmine, Jira, Confluence

CI / CD:                 

Jenkins, GitLab-CI, Azure DevOps (Team Foundation Server), TeamCity, Sonartype Nexus, ChefDK, Chef-Server, ansible, Github, GitLab, Bitbucket

Infrastructure as Code:

Terraform, Cloud Formation, AWS CDK etc

Serverless             

Lambda, Lambda@Edge, Fargate, EKS, ECS

Security:                

BSI Product Certification (Commons Criteria), IT-Grundschutz BSI, Cloud and Container Security Architecture

SecOps:                

Private Key Infrastructure (PKI), SSO / KeyCloak, Firewalls (Tufing), AquaSecuriy, Twistlock (Prisma), trivy, Hashicorp Vault, anchore, Claire ? vulnerability scanners

Big Data:               

Kafka: high availability, high performance setup, MongoDB, Python

QA/Testing:           

Junit, QTest, Selenium, PHPUnit, Gauge

IoT:                       

ActiveMQ, RabbitMQ, MQTT

Monitoring & Search Engines:     

Prometheus, InfluxDB, Grafana, ELK-Stack, Elasticsearch, Nagios, AppDynamics, Redis, Varnish, SOLR

Server / OS:           

Red Hat Enterprise Linux (RHEL), CentOS, Debian, Ubuntu, Windows Server

Enterprise Apps:    

Cisco Call Manager, SCCM packaging tool, ActiveDirectory, SAP-HR

berufliche Erfahrungen

10/21 ? now      Product Owner & Lead Architect ? Secunet Security (External Contract)

  • Lead architect for security relevant software for department with 40 persons in five teams
  • Onboarding and lead of platform team (7 persons): Kubernetes, DevOps
  • Interface between stakeholders / business objectives and implementation
  • Release Management, responsible for shipping a high security solution

10/18 ? 10/21   Enterprise Architecture: Cloud / DevOps ? RWE Supply & Trading (External Contract)

  • Analysis of existing hybrid application server environment with focus on middle ware solutions
  • Development of cloud solution architecture for complex IT solutions
  • Driver for onboarding container technologies into embedded legacy environment
  • Identification of target and operation model and aligning with corporate stakeholders
  • Contribution to centralize DevOps, Cloud and Kubernetes processes

since 1/18 Cloud Architect / DevOps Infrastruktur & Cloud
? Solution Architect Cloud und Infrastruktur
? Container & Deployment: Docker, Kubernetes, CI/CD

3/16 ? 12/17 CTO / Managing Director: tsitrone medien GmbH & Co. KG, Cologne
? Implementation of agile processes (scrum) as well as team-wide workflow
? Team building: strategic personnel planning, recruitment and development of new employees, continuous feedback and improvement process
? Implementation of local network infrastructure including server virtualisation, firewall and security policy

9/15 ? 2/16 CTO: tsitrone medien GmbH & Co. KG, Cologne
? Building the Web-Unit: technical standards, Re-align of technology stack.
? Software Architecture / Deployment Automation
? Implementation of quality gates

since 1/14 Trainer / Lecturer: GFU, Köln
? Test Driven Development (TDD), Continuous Integration (CI), Continuous Delivery (CD)
? Zend Framework: Enterprise Web Solutions
? TYPO3 for Administrators & Exentsion Development
? PHP - for advanced users: design patterns
? Git version management

9/10 ? 8/15 Software Architecture/ Development (self-employed, 2 freelancers)
Clients: Sparkasse Gifhorn, Sprachreisen.de, Gothaer Systems, u.a.
? Consulting, Trotec, among others.
? Technical consulting, concept and development of web projects
? Coaching and development of development teams (Deployment, Continuous Integration)
? Software Development (Human Resources)

10/01 ? 8/10 Software & Product Developer (Freelancer)
Clients: Daimler, Lidl, Manpower, Deutsche Post, Kunsthochschule für Medien Köln u.a.
? Newsletter Solution: Large project 250,000 lines of code
? Online Survey Software & Suitability Diagnostics (Human Resources)
? Operation of software as a service for customers (SaaS)

4/00 ? 9/01 Project Manager / Consultant
? Conception of a web portal in the personnel sector
? Project management for web applications at international level
? Market analysis, development of e-commerce service, e-recruiting solutions'

6/98 ? 4/00 Head of Internet Services: Career Company, Köln (HR Consultancy)
? Responsible for all online activities. Budget and personnel responsibility
? Project management for several relays: needs analysis, concept, agency selection, prototyping, roll-out, training.
? Development of the online brand 'career.de': content management, marketing, partnerships.

11/1995 ? 03/1996

Freier Mitarbeiter ?Media Services?: EMDS Consulting, Aachen

1993 - 1994

Assistenz der Geschäftsführung, Teilzeit bei VBS Schweißtechnik, Wallau

  • Analyse des Automobil-Markts sowie von betriebswirtschaftlichen Kenngrößen als Basis für zukünftige strategische Entscheidungen
  • Implementierung des lokalen Netzwerkes (LAN) & System zur Produktions- Planung und Steuerung (PPS)

1989

Programmierung (C) einer Schulungssoftware für Lernbehinderte (Freelancer)

1984

Programmierung (Pascal) eines Expertensystems zur Berechnung und Evaluation der individuellen
Herstellbarkeit von Verpackungsmaschinen (Krämer & Grebe, Wallau)

Programmiersprachen

Helm
Experte
JavaScript
Fortgeschritten
Terraform
Experte
java
Fortgeschritten
php
Experte

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.