Bernhard Müller - Leading Red Hat OpenShift Architect

Q: Where is Bernhard based?

Bernhard is based in Hübingen, Germany .

Q: What languages does Bernhard speak?

Bernhard speaks the following languages: German (Advanced), English (Advanced), Portuguese (Advanced), Spanish (Intermediate), Italian (Elementary) .

Q: How many years of experience does Bernhard have?

Bernhard has at least 9 years of experience. During this time, Bernhard has worked in at least 10 different roles and for 25 different companies . The average length of individual experience is 4 months . Note that Bernhard may not have shared all experience and actually has more experience.

Q: What is Bernhard's latest experience?

Bernhard's most recent position is Leading Red Hat OpenShift Architect at Deutsche Rentenversicherung .

Q: What companies has Bernhard worked for in recent years?

In recent years, Bernhard has worked for Deutsche Rentenversicherung , GEA , and ITZBund .

Q: Which industries is Bernhard most experienced in?

Bernhard is most experienced in industries like Information Technology (IT) , Insurance , and Government and Public Administration . Bernhard also has some experience in Banking and Finance , Food and Beverage , and Manufacturing .

Q: Which business areas is Bernhard most experienced in?

Bernhard is most experienced in business areas like Information Technology (IT) , Project Management , and Operations .

Q: Which industries has Bernhard worked in recently?

Bernhard has recently worked in industries like Government and Public Administration , Information Technology (IT) , and Food and Beverage .

Q: Which business areas has Bernhard worked in recently?

Bernhard has recently worked in business areas like Information Technology (IT) .

Recommended expert

Hübingen, Germany

Experience

Aug 2024 - Mar 2025

8 months

Berlin, Germany

Leading Red Hat OpenShift Architect

Deutsche Rentenversicherung

Architecture review and continuation of the architecture of two Red Hat OpenShift 4.16 environments: one for the so-called legacy environment in Berlin, consisting of two availability zones, and the other for a geo-redundant cluster between Berlin and Würzburg with three availability zones each.
Further development or creation of the detailed designs for the legacy data center and the new DRV data center.
Architecture of the hub clusters.
Architecture of the RHACM and RHACS components.
Architecture of the Red Hat Quay repositories and the connection and replication of existing JFrog Artifactory repositories.
Creation of the required firewall requests.
Review of the BSI basic protection checks of the environments and creation of implementation instructions.
Design and requirements analysis of the Quay image registries.
Design for the use of Hashicorp Vault as a secret store for the clusters.
Creation of a backup concept for the Red Hat OpenShift clusters.
Creation of concepts for the lifecycle of the images in the registries.
Design of a federated user management based on LDAP/AD for the administrative OpenShift users.

Feb 2023 - Jun 2023

5 months

Germany

Leading Cloud Solutions Architect

GEA

Redesign of the current cloud architecture
Workshop on the project plan
Inventory of current usage, including profiling and monitoring
Leading the necessary optimization steps with the goal of reducing MS Azure costs
Reduction of monthly costs by more than 10%

Jul 2020 - Aug 2022

2 years 2 months

Cologne, Germany

Leading Cloud Solutions Architect

ITZBund

Infrastructure-related architecture support for a container-based application
Creating deliverables such as solution architecture documents and proofs of concept according to the ARC42 documentation standard
End-to-end HA concept for the application
Evaluation of new strategic data centers for DR enablement
CI/CD pipeline design in collaboration with development and operations teams
Security design
Keycloak architecture for service-to-service authentication and authorization
Architecture of an Elastic stack to replace the Splunk logging stack
Architecture of an OpenShift OCP environment to migrate the existing Docker Swarm environment
Use of Traefik under OCP
Creation of designs for Splunk, IBM MQ, Domibus/AS4, LaaS (Logging as a Service), zone concept, and operating system environment
Use of toolset: Kubernetes, Docker EE, IBM MQ, jBoss, Cassandra, Kafka, Oracle, Keycloak, VMware
Design of HA/DR for infrastructure products and high-level sketch of the CI/CD pipeline

Sep 2019 - Nov 2019

3 months

Koblenz, Germany

Leading Cloud Solutions Architect

Bundeswehr

Technical consultation in the cloud environment
Requirements management in the cloud environment, considering the customer's political and security requirements
Preparing decision processes regarding the solutions to be used
Presentation of solution proposals
Project management and controlling of the initiated measures

Aug 2019 - Sep 2019

2 months

Karlsruhe, Germany

Leading Cloud Solutions Architect

1&1 GmbH

Creation of a study on the use of Kubernetes and CI/CD on bare-metal clusters
Description of the architecture, processes, and governance of multiple Kubernetes clusters (DEV, QA, Acceptance, Prod)
Designing an architecture based on Rancher RKE for cluster setup and Rancher 2.x for management
Automated environment setup using Terraform IaC
Setup of the CI/CD chain using GitLab/Bitbucket, GitLab CI/Jenkins, and Harbor
Evaluation of software tools for CI/CD, monitoring, logging, and billing
Use of Traefik as an ingress controller
Onboarding users based on the connected 1&1 LDAP directory
Authentication using Keycloak and integrating Keycloak with LDAP
Cross-DC concept for maximum availability and disaster recovery
Logging and aggregation concept based on Apache Kafka and ELK
Creation of training and security concepts

Aug 2019 - Aug 2019

1 month

Germany

Leading Cloud Solutions Architect

Deutscher Sparkassenverlag

Developing and delivering a workshop on using Pivotal Cloud Foundry within the company
Presenting the pros and cons of Pivotal Cloud Foundry and BOSH, illustrated with case studies of existing PCF customers
Presenting alternatives to PCF for specific use cases
Identifying optimization options for using PCF and Kubernetes

Jul 2019 - Jul 2019

1 month

Germany

Leading Cloud Solutions Architect

Lexoro GmbH

Advising on the use of Kubernetes and CI/CD on MS Azure
Conducting a two-day workshop on the benefits of containerized solutions on Kubernetes
Interactive setup of a Kubernetes environment based on Azure AKS
Creating a CI/CD environment using Azure Repos, Azure Pipelines, and Azure Container Registry
Enabling the customer to automate software development using Azure, AKS, and Azure DevOps

Nov 2018 - Jan 2019

3 months

Germany

Leading Cloud Solutions Architect

DAFÜR GmbH

Creating an architecture concept to move the existing solution from single Docker containers to Kubernetes
Setting up a Kubernetes test cluster on AWS using KOPS
Installing infrastructure components with HELM: Dashboard, Elasticsearch, Fluentd, Kibana, Kafka, Keycloak, Traefik
Creating two AKS-based Kubernetes clusters for production in Azure and a GKE-based cluster in Google Cloud (GCP)
Creating a bare-metal Kubernetes cluster using RKE and Rancher
Assisting with migrating the Docker installation into Helm charts

Nov 2018 - Dec 2018

2 months

Germany

Requirements Engineer

Deutsche Post DHL

Creating the concept for a Cloud Management Platform
Reviewing and creating technical designs in the context of Managed Cloud Services (e.g. billing, identity/access management, Managed Cloud OS, Container as a Service, Backup as a Service, policy management)
Creating documentation for internal customers for guidance and informational purposes
Creating a concept for a Cloud Management Platform and aligning requirements with the service provider
Documenting requirements and presenting them in presentations

Oct 2018 - Jan 2019

4 months

Germany

Leading Cloud Solutions Architect

Provinzial AG

Advising on the existing OpenShift test installation at Provinzial insurance
Performing a technical architecture assessment and review, and optimizing the RHACM setup
Analyzing the existing infrastructure and advising on technologies and use cases
Integrating OpenShift interfaces
Implementing an F5 WAF
Advising on using Helm vs. Ansible
Deploying a NeuVector container firewall to enhance security

Oct 2018 - Dec 2018

3 months

Germany

Leading Cloud Solutions Architect

Lufthansa AirPlus AG

Realignment of the cloud migration to Azure
Redesign of the container environment from OpenShift to Azure AKS Kubernetes clusters
Development of a remote administration concept
Development of a security concept
Design of a Keycloak OpenID Provider installation
Use of Traefik as an ingress controller
Design of an Azure Monitor solution with a connection to LogPoint SIEM via Event Hub
Design of Apache Kafka as a messaging hub
Automated installation using Terraform IaC
Use of Cassandra as a performance metrics stack
Design of an IDM solution with an interface to SAP IDM

Apr 2018 - Jul 2018

4 months

Germany

Cloud Solutions Architect in the FTTH project

Deutsche Telekom AG

Creation of a migration concept to migrate a Red Hat OpenShift cluster from the Telekom public cloud to the Telekom OTC private cloud
Migration of the containerized FTTH (Fiber to the Home) geodata application using OpenStreetMap (OSM)
Development of an architecture concept and a gap analysis for generic OTC vs. AppAgile including a high-level migration concept
Development of concepts for access control, security, test strategy, network design, logging and log aggregation, and advanced monitoring
Concept for SVN and source code management integration as well as staging and deployment of business services
Creation of a restart and disaster recovery concept and documentation of requirements for the base infrastructure
Capacity management and integration of a storage or backend system
Documentation in Confluence and ticketing in Jira

Mar 2018 - Sep 2018

7 months

Germany

Cloud Solutions Architect MS Azure

SGL Carbon AG

Creation of an architecture concept for introducing a cloud solution to streamline the system landscape
Creation of an as-is analysis of the system landscape
Development of a concept to adapt the application architecture for cloud readiness
Creation of a technical plan for transitioning existing legacy systems to the cloud computing platform
Creation of an overall technical architecture for cloud implementation
Definition of the content and categorization of landing zones for business applications and service hosting
Development of a concept to simulate the system landscape across 40 locations including technical evaluation
Creation of a concept for harmonizing the system landscape as well as detailed technical documentation

Mar 2018 - Aug 2018

6 months

Germany

Cloud Solutions Architect

Syskron

Consulting and implementation of the technical architecture for a microservices development environment in AWS, based on a Kubernetes cluster
Planning the CI/CD chain based on Eclipse, GitLab, Jenkins, Nexus, and SonarQube
Planning the runtime environment based on Angular, Spring Boot, and MariaDB
Installation of the Kubernetes cluster in Amazon AWS using kops and Terraform
Installation of the test chain on the Kubernetes cluster using Selenium Grid, Chrome, and Firefox
Configuration of backups for container volumes using Stash
Installation and configuration of Kubernetes monitoring using Prometheus and Grafana, as well as log file analysis through the EFK stack
Setting up Route53-based service URLs using external-dns
Implementation of an ingress controller using Traefik, including automatic SSL certificate distribution via Let's Encrypt
Securing via basic authentication and OpenID Connect authentication using Keycloak
Automated installation using Terraform IaC and documentation of all installations

Jan 2018 - Mar 2018

3 months

Netherlands

Cloud Solutions Architect

Kyocera B.V.

Consulting and implementation of the technical architecture of IT systems in AWS
Further development of the existing technical architecture
Implementation of application transformation in AWS, along with architectural and technical knowledge exchange, innovation, and standardization
Advising on application transformation with regard to architecture and cost
Migration of the Active Directory, SharePoint, and Exchange environment to Azure
Exchange hybrid migration to Exchange Online

Jan 2018 - Mar 2018

3 months

Germany

Cloud Solutions Architect

Newtron AG

Advising on and implementing the technical architecture of IT systems in the OpenStack-based Huawei Cloud
Implementing the environment with Terraform scripts
Creating an overall technical architecture for the cloud adoption
Writing detailed technical documentation

Nov 2017 - Dec 2017

2 months

Germany

Cloud Solutions Architect

ITERGO

Planning the migration of applications from Docker Swarm to Red Hat OpenShift 3.6
Coordinating and reviewing the CALDERA architecture (Cloud Abstract Layered Design Ergo Reference Architecture)
Implementing the CI/CD pipeline in OpenShift
Migrating an application based on Angular and Spring Boot to OpenShift

Aug 2017 - Dec 2017

5 months

Bielefeld, Germany

Cloud Solutions Architect

Dr. Oetker OEDIV

Designing a cloud network architecture to integrate worldwide data centers into the cloud
Planning the optimization of Azure ExpressRoute links to connect data centers to the main site in Bielefeld
Designing a private cloud in Bielefeld to host traditionally hosted applications
Designing a hybrid multi-cloud setup integrating private clouds with Azure, AWS, and GCP
Project lead for teams of 10-15 people

May 2017 - Oct 2017

6 months

Germany

Cloud Solutions Architect

Inforsacom/Logicalis GmbH

Designing a cloud architecture to migrate Commerzbank's middleware environment (WebSphere ND, JBoss, Tomcat) to the Logicalis Cloud
Conducting workshops to introduce the solution
Developing processes for deploying Java applications to the cloud
Converting the WebSphere setup to a container-based infrastructure on Red Hat OpenShift
Project lead for teams of 10-15 people

Feb 2017 - Mar 2018

1 year 2 months

Germany

Cloud Solutions Architect

Werum IT Solutions GmbH

Conducting workshops on multi-cloud PaaS and orchestration using Cloud Foundry and Cloudify
Designing a multi-cloud development platform based on OpenStack, AWS, Azure, and GCP
Supporting the cloud provider selection process and supervising the cloud setup
Creating a project plan for the three-month project duration
Developing a testing plan for consistency checks, benchmarking, and high-availability behavior of the implemented OpenStack cloud
Project lead for teams of 10-15 people

Oct 2016 - Dec 2017

1 year 3 months

Braunschweig, Germany

Cloud Solutions Architect

VW Financial Services AG

Technical design of a Java platform based on Mirantis OpenStack
Conceptualization of orchestration and deployment solutions for the OpenStack-based Java platform
Conceptualization of the implementation of Pivotal CloudFoundry and BOSH as a PaaS platform on top of OpenStack
Evaluation of the applications to be ported to the cloud for compatibility with CloudFoundry or OpenStack
Implementation of Hadoop and ElasticSearch as PaaS applications as well as logging using Loggregator
Architecture of deployment processes and interfaces using BOSH, Ruby, and Go
Evaluation of Cloud Foundry PaaS versus Cloudify orchestration framework with Alien4Cloud TOSCA frontend
Design of interfaces to external applications such as Oracle, MySQL, and Active Directory
Project lead in teams of 10-15 people

Jun 2015 - Dec 2017

2 years 7 months

Cologne, Germany

Senior Technical Architect, Cloud Solutions Architect

AXA AG

Architectural infrastructure design of applications considering data center tiers and shared tiers
Server sizing, network design, and design of VPN connections
Negotiation with external vendors on technical implementations
Technical design of a Citrix connection to SAP HR and introduction of SAP HANA for SAP BW
Design of a MongoDB for an index of 75 million medical records in the data lake
Design of an Informatica test data management solution to anonymize the customer data pool
Design of log data management using Flume and setting up data compliance rules
Design of ElasticSearch clusters as well as the architecture of the call center outsourcing
Cloudification and outsourcing of the intranet and extranet to AWS using EC2 and S3
Outsourcing of the web presence to EC2 and use of RDS for Oracle databases

Feb 2015 - May 2015

4 months

Hanover, Germany

Project Manager and Senior Cloud Architect for Cloud Server Solutions

Finanz Informatik

Cloud design and architecture for the new internet branch based on IBM Power8 servers and IBM Cloud Orchestrator software
Development of a detailed overall project plan and resource allocation for a project volume of over 500 man-days
Planning and design of test and production environments as well as migration phases
Design of orchestration of software components including authorization system and approval workflows based on OpenStack Heat and IBM Business Process Manager
Project lead in teams of 10-15 people

Dec 2014 - Jan 2015

2 months

Karlsruhe, Germany

Senior Cloud Architect for Cloud Server Solutions

1&1 United Internet GMX

Survey and analysis of the existing IT application and infrastructure landscape in Germany, Spain, and England
Development of a concept for the future IT hosting and cloud architecture to manage bare metal servers and virtual machines
Consideration of various hypervisors like VMware ESX, XenServer, and Virtuozzo with a focus on scalability
Setting Ceph as a standard in the storage area for block and object storage with AWS interface
Creation of a detailed concept for a PoC installation and development of migration measures
Advisory support during the implementation of the PoC and the live environment
Project lead in teams of 10-15 people

Apr 2013 - Jul 2014

1 year 4 months

Frankfurt, Germany

Senior Cloud Architect for Cloud Storage / Project Manager Storage Migration / CAD Infrastructure Project Management /

DB Systel

Creation of a comprehensive architecture for a personal cloud storage based on Ceph RADOS to replace existing storage
Design of an architecture based on CloudStack or OpenStack including compute and storage nodes in a layered system
Implementation of integration with Single Sign-On as well as central management and billing systems including self-service order functions
Implementation of cloud backups with self-service functions to determine backup frequency
Creation and evaluation of a performance matrix of various alternative storage solutions for 5000 users over WAN
Coordination of the Windows, network, and storage departments in the implementation of the storage concept
Creation of operational concepts, operation manuals, and acceptance documents for the CAD infrastructure of DB Projektbau
Creation of a monitoring concept for CAD license servers based on Microsoft SCOM, including FLEXlm and Sentinel
Creation and implementation of a concept to improve WAN performance for 800 CAD users, considering network protocols and deduplication

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (5.5 years), Insurance (3 years), Government and Administration (2.5 years), Banking and Finance (1.5 years), Food and Beverage (0.5 years), and Telecommunication (0.5 years).

Information Technology

Insurance

Government and Administration

Banking and Finance

Food and Beverage

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (8.5 years) and Project Management (3.5 years).

Information Technology

Project Management

Skills

Professional Focus:
Project Leadership / Project Management According To Itil And Prince2
Architecture / Analysis
Requirement Engineering
Unix/linux System Administration
Ibm Websphere Administration
Security / Email Encryption
Identity Management / Pki
Incident Management / Service Management
Training / Coaching
Presentation / Management Workshops
Programming Languages:
Java
Objective-c
C
Fortran
Pascal
Sql
Pl/sql
T-sql
Bash
Powershell
Operating Systems:
Aix 7.x
Solaris 10
Linux
Hp-ux
Irix
Sinix
Sco Unix
Unixware
Sequent Dynix
Ultrix
Rhel
Osf/1
At&t Sys V R4
Os/9
Qnx
Mac Os X
Ms Windows 7
Ms Windows Advanced Server
Citrix Metaframe
Dos/vs
Dos/vse
Vollie
Databases:
Oracle V8-11g
Db2 V5/6/7
Ingres
Postgres
Mysql
Sql Server
Sqlite
Networks / Communication:
Tcp/ip
Netbios
Netbeui
Appletalk
Dhcp
Samba
Netatalk
Sip
Voip
Ipv4
Ipv6
Internet / Intranet
Isdn
Software Packages / Methods / Tools:
Itil
Prince2
Pmi
Ci/cd
Lotus Domino
Lotus Notes
Domino.doc
Quickplace
Sametime
Workflow
Ibm Connections
Ms Office
Staroffice For Windows And Unix
Avaya
Asterisk
Fritz!box
Ibm Websphere Application Server Enterprise Edition V6.1, V7.0, V8.0
Mqseries / Websphere Mq
Apache
Tomcat
Hp Openview
Hp Servicecenter
Remedy
Trillium
Enterprise Architect
Openshift
Prometheus
Grafana
Loki
Vmware
Kubernetes
Rancher
Ansible
Chef
Salt
Uml
Mvc
Ooad/rd
Xtreme Programming
Scrum
Agile Programming
Modules:
Snmp
Hp Openview Service Center
Com/dcom
Corba
Cics
Sna
Areas Of Work:
Project Management
Concept Development
Migration
System Consulting
Coaching
Customizing
Industries:
Telecommunications
Healthcare
Banking
Insurance
Automotive Supplier
Aviation
Industry
Publishing
Broadcasting

Languages

German

Advanced

English

Advanced

Portuguese

Advanced

Spanish

Intermediate

Italian

Elementary

Education

Karlsruhe University of Applied Sciences

Diploma Engineer · Electrical engineering · Karlsruhe, Germany

Certifications & licenses

Amazon AWS 5.0 Architect

AMAZON

IBM Certified E-Business Advisor

IBM

SAP Certified Enterprise Portals Consultant

SAP

Profile

Created

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Bernhard based?

Bernhard is based in Hübingen, Germany.

What languages does Bernhard speak?

Bernhard speaks the following languages: German (Advanced), English (Advanced), Portuguese (Advanced), Spanish (Intermediate), Italian (Elementary).

How many years of experience does Bernhard have?

Bernhard has at least 9 years of experience. During this time, Bernhard has worked in at least 10 different roles and for 25 different companies. The average length of individual experience is 4 months. Note that Bernhard may not have shared all experience and actually has more experience.

What roles would Bernhard be best suited for?

Based on recent experience, Bernhard would be well-suited for roles such as: Leading Red Hat OpenShift Architect, Leading Cloud Solutions Architect, Requirements Engineer.

What is Bernhard's latest experience?

Bernhard's most recent position is Leading Red Hat OpenShift Architect at Deutsche Rentenversicherung.

What companies has Bernhard worked for in recent years?

In recent years, Bernhard has worked for Deutsche Rentenversicherung, GEA, and ITZBund.

Which industries is Bernhard most experienced in?

Bernhard is most experienced in industries like Information Technology (IT), Insurance, and Government and Public Administration. Bernhard also has some experience in Banking and Finance, Food and Beverage, and Manufacturing.

Which business areas is Bernhard most experienced in?

Bernhard is most experienced in business areas like Information Technology (IT), Project Management, and Operations.

Which industries has Bernhard worked in recently?

Bernhard has recently worked in industries like Government and Public Administration, Information Technology (IT), and Food and Beverage.

Which business areas has Bernhard worked in recently?

Bernhard has recently worked in business areas like Information Technology (IT).

What is Bernhard's education?

Bernhard holds a Master in Electrical engineering from Karlsruhe University of Applied Sciences.

Does Bernhard have any certificates?

Bernhard has 3 certificates. These include: Amazon AWS 5.0 Architect, IBM Certified E-Business Advisor, and SAP Certified Enterprise Portals Consultant.

What is the availability of Bernhard?

Bernhard is immediately available for suitable projects.

What is the rate of Bernhard?

Bernhard's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.