Lothar H.-Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system

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Experience
Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system
Shell AG and NEXT Kraftwerke GmbH
- Investigation PoC and exchange and refinement of an existing cloud and IoT power plant control solution for certificate management of renewable energy power plants (solar, wind, biomass and others) of the largest European renewable energy power plant operator in this field, including investigation of the IoT devices used in the field and their integration and network connection with the aim of automated PKI key management.
- Messaging with Kubernetes for large API-connected enterprise applications
- Risk and Attack Vector Analysis, Software Quality & Bug Assessments
- Agile Workload Scheduling via Jira & ConJluence
- Evaluation of message streams Pub/Sub for MQ and KaJka.
- Various tests with “best design approaches” regarding resilience patterns such as Circuit Breaker Designs, Throughput Measurement and Monitoring, Bulkhead Governors - for robust EA design
- Integration of API Management with IBMs API Connect to Kubernetes - for agnostic Microservices API Management Designs. Google Apigee
- Solution Health Check Approaches for Load Burst Situations + Remedy
- Research and investigation of available potential subcontractors in the coordinating role as Solution Manager. CIS20 Controls.
- Dread and Stride Security Assessments.
Multi-Cloud + Hybrid Cloud transformations of enterprise solutions
IBM
- Kubernetes routing and resilience PoC and testing of solutions for network stabilization and redundancy creation, Dread and Stride Security Assessments, Hybrid Cloud Hosting ReJinements, System Hardening for Clients, Backend & Datacenter.
- Refinement of routing systems within Kubernetes solutions using Tigera Calico and its network management policies and Behavioural-ProJile-Logs, as well as customized visualization tools for resilience refinement and redundancy of fallback automations.
- Clients in the context of energy suppliers, network operators, banks, insurance companies and automotive.
Lead-Architect - Coaching and consulting for IoT + Backend System Hardening and KRITIS transformation
Mercedes-Benz Financial Services
- Network resilience as the focus of the transformation of an automotive financing and leasing buy-back evaluation enterprise solution with architectural renewal and conversion to a Cloud Native / Kubernetes-based hybrid hosting design.
- Standardization of the existing code and the evaluation enterprise solution and transfer of the initially in-house-built initial coding solution into a sustainable, future-proof, scalable, resilient system and solution concept. PKI as a Service.
- Coordination and coaching of the solution architect team
- Lead-Architect - Coaching and consulting - on the topics of Microsegmentation, Security, Loadbalancing, Intrusion Detection as well as meaningful log scraping and real-time evaluation of hazardous situations to expand and extend software resilience.
- Creation of a roadmap for implementation in the existing software architecture
- Risk assessments and Zero Trust-based architectural refinements of the existing solution
- Consumer-API refinement via Zero Trust designs and microsegmentation approaches
- Technical analysis of the requirements and security context regarding assigned access rights and their minimization (Need to Know - as well as Least Privilege principles)
- Integration of API Management with IBMs API Connect to Kubernetes - for platform-agnostic Microservices API Management Designs
- Solution Health Check Approaches for Load Burst Situations + Remedy
Transformation of API Management and Dev - App migration
IBM EMEA + DB Systel
- Transformation of API Management and Dev - app migration between departments with associated IBM API Connect resource management, security and cyber risk attack vector assessments + refinements. Openshift + Kubernetes + Software Resilience Patterns
- Transformation of partner API connections, various desired parameters and KPIs – Multi-Cloud & Hybrid Refactoring with Kubernetes
- Technical analysis of the requirements and security context regarding assigned access rights and their minimization
- Segmentation of various active consumer APIs, Zero Trust Designs, microsegmentation of pod solutions in connection with Hybrid Cloud Hosting.
- Oauth, Single Sign On, authorization and authentication patterns
- Proofs of Concept for robustness and load balancing
- Integration of API Management with IBMs API Connect to Kubernetes - for platform-agnostic Microservices API Management Designs
- Solution Health Check Approaches for Load Burst Situations + Remedy
- Multi-Cloud migration of a monolithic solution to AWS and Microsoft Azure in a hybrid and multi-cloud context.
Solution Manager + Integration Coach
EnBW Karlsruhe
- Group-wide introduction of a Software Asset Management (SAM) system for group-wide and company-wide license monitoring of hybrid-hosted, cloud-based and on-premise installed solution packages (SAP, Oracle, IBM, Office 365, Adobe, and many others)
- A cloud-based software asset management system is pre-tested for the entire group in a PoC, security-tested and then rolled out to 12000 end users and all data centers.
- I coordinate and manage the overall project as Solution Manager and then the rollout with service providers and system integrators and all affected stakeholders in data centers, Security Teams, Networking and Smart-Client deployment. As well as the optimization of the Microsoft Azure Cloud components of the overall solution.
- Group-wide solution transformation together with cloud big data analytics providers for license optimization, with customer teams and commercial and technical departments and stakeholders from all group areas such as energy generation, transport and administration as well as billing on the topic of software asset management.
- SAM visualization and optimization
- Consulting for management and specialist departments
- Architecture and concept creation – Cloud 12 Factor App Style – concept presentation sessions / Agile Cycles / Discussions / ReJinement
- Context: Elasticity, Resilience, Composability, Separation of Stateless, Ephemeral Transient Components from Stateful Persistent Resilient aspects of the application, Serverless Lambda Components, Overlay Networks, Fallback and Backup Solutions, Tunneling and SD WAN Integrations, Dynamic Path Selection, Load Sharing.
- Hybrid Mix: AWS, Softlayer, Google Cloud, Azure, Private Cloud Components + internal data centers
Investigation and creation of an SDN PoC and pilot for a CloudNative messaging application
Westpac AU / NZ
- Investigation and creation of an SDN PoC and pilot for a CloudNative messaging application with Software Defined Networking and load balancing (including Kubernetes) operating across various data centres and geolocations worldwide.
- Including geo-awareness and load-balancing region auto-routing, serverless components, and high resilience.
- The system is part of a strategic application, migrated from a former middleware monolith solution, built on and based on relevant container orchestration frameworks in the context of SDN and load-balancing services, as well as container and VM arrangement management systems.
- The 'classic' approaches using Docker and Docker Swarm were transformed to Kubernetes due to its enhanced capabilities, and Kafka was evaluated and used as a messaging and streaming service.
- Refinement and modification of the enterprise application in the areas of latency, timing, and decoupling.
- Creation of a roadmap to achieve optimized ESB usage and more efficient Kubernetes designs, DataStore synchronization optimizations, and the use of resilience checks.
- Integration of API lifecycle management solutions from Akana, Red Hat, and IBM / API Analytics, API Gateway, API Management, Developer Portal, Lifecycle Manager, IBM API Connect /
- Focus on monitoring, SLA + monetization.
Solution Architect for IBM Business Monitor PoC with integration, scaling, and rollout
BMW Bank – BMW Global Financial Services
- Proof of concept and integration of IBM's BAM IIB Toolset to monitor real-time workloads, visualize throughput and real-time performance in various levels of detail, and display the throughput of the BMW Group Financial Services modules of the various national banks, including fulfilled KPIs, SLAs, and the overall health status of the operational solution.
- Successful BAM PoC implementation demonstrating the feasibility of the desired objectives using the selected frameworks. Pre-installation of several pilots on various VMs with corresponding suitable load tests.
- Creation of an integration roadmap for implementing BAM for the given networking and messaging services (IBM Integration Bus V 9 and 10), as well as for the associated workload process monitoring of the cross-country active 'Global Connected Financial Services Modules'.
- Coaching of developer teams for BAM coordination regarding the affected module integration (black-box monitoring / white-box monitoring).
- Intensive investigation of the capabilities of IBM's Business Monitor in connection with IBM Integration Bus, MQ, and SOAP connections.
- Creation of an implementation roadmap after completion of the successful PoC, in coordination with all project partners, to implement 24/7 real-time monitoring of the services and transfer it into rollout.
- Coaching and management of the necessary organizational and architectural change process.
Project + Team Coach and Lead, Change Manager, Enterprise Architect - T-Onsite - Cloud Integration Center
Telekom - T-Systems
- International recruitment to establish a cloud architect group.
- Advising JEE customers on enterprise application 'Cloudifications' and new architectural approaches for converting existing JEE applications to hybrid-cloud capability.
- Sourcing, screening, interviewing, and coaching suitable consultants and employees, including preparation of the hiring and business cases.
- Establishment of the Openshift and WSO2 training path for a team of 24 employees.
- Coaching of Kubernetes POCs.
- Technologies used: Kubernetes, Openshift, VMware, Openstack, load balancers, SDN, K8S Network + CNI Plugins, HA Proxy, health checks, Contiv, Open vSwitch, T-Systems-Cloud-Artifacts.
Lead Consultant for establishing a Cloud Competence EA Review Center
Logica / CGI Deutschland
- Establishment of a Cloud Competence EA Review Center for the transformation of enterprise applications.
- Advising JEE customers on new architectural approaches and converting existing JEE applications to hybrid-cloud capability.
Solution Manager and Transformation Coach for microservice solutions with Docker and Kubernetes
Flight-Centre Travel Group AU
- Microservice solutions with Docker and Kubernetes, as well as various API management integrations, as Solution Manager and Transformation Coach.
- AWS transformation of existing JEE system modules for auto-deployment in various global AWS data centre regions (mainly Ireland and Australia).
- Latency session optimizations, loosely coupled optimizations, SDN, auto-deployment and load balancing, geo-location awareness, Layer 7 strategies and optimizations for local IPs, API lifecycle management & monetization.
- Kubernetes and KubeFed cluster federation / region auto-routing, serverless components, and CI / CD pipeline integrations, Jenkins, ARGO.
- Business-logic extraction, BPM, and enterprise architecture review of existing solutions.
- Project management and change management. Middleware health check for jBoss, application architecture and infrastructure review, tuning, and refinement of SOA.
- Team coaching for the cloud-native architecture transformation of the EA, testing and diagnosis of the existing web solution, and fine-tuning of infrastructure and servers.
- Refinement and modification of the enterprise application in the areas of latency, timing, and decoupling.
- Creation of a roadmap to achieve optimized ESB usage and more efficient Kubernetes designs, DataStore synchronization optimizations, and the use of resilience checks.
BPM + Cloud Consultant – JEE Enterprise Middleware Audit + Architectural Review
2Degrees Mobile
- EA Review and Restructuring for Mobile Phone Provider.
- Architectural Review and Business-Logic Extraction BPM – SOA for existing Payment Solution, as well as Change Management for the introduction of new services.
- BPM Reviews & Optimizations.
- Middleware Health Check jBoss, Application Architecture and Infrastructure Review, Tuning and Refinement ESB.
- Strategic advice and coaching for the introduction of BPM above the existing SOA, as well as the associated source-code transformations.
- Technologies: IBM BPM, BPMN 2.0, Process Designer, Integration Designer, WebSphere Process Server, WID, WS Portal, Business Modeller + Monitor, Rational Software Architect + Application Developer, Version Control, Eclipse, Intellij, Kubernetes Dev Environments, CI/CD, SDN, Resilience System-Hardening, Network Analysers.
- Advising management and business departments.
Auditor + Consultant for Enterprise Architecture and Solution Design Review
AEC - Australian Electoral Commission
- Review of the JEE core application for software stabilization and software resilience patterns.
- Middleware Health Check jBoss, Application Architecture and Infrastructure Tuning improvements for SOA components and BPM.
- Testing of the existing Java Enrollment solution and tuning recommendations for infrastructure and server clusters.
- Transformation of the Enterprise Application with regard to BPM design, timing and decoupling, BPM Logic Extraction.
Research Fellow – Decision Services Lab
University of Wollongong - Australia
- Research Fellow at UoW Australia / DSL Lab since 2009 under Prof. Aditya Ghose.
- BPM and ODM Transformations for EA with Software Resilience Patterns.
Digital Strategist, Principal Consultant, CEO, Management Consultant, Dipl. Ing., Solution and Change Manager and Coach for BPM,
MCS I.T. Services
- Team Leadership + Coaching
- Technology Transformations
- System Integration
- Change Management
- Hybrid Multi-Cloud Kubernetes Enterprise Solutions
- Software Resilience Patterns
- Cyber Compliance Frameworks – CMMC, NIST, DORA, BSI, NIS-2, Swiss Confederation, KRITIS
- Object Storage (AWS S3 <-> Google GCS) , K8s platforms (AWS EKS <-> Google GKE) , Legacy apps (AWS EC2 <-> Google GCE), Relational DB (AWS RDS <-> Google Cloud SQL)
- Customers include IBM, Red Hat, Flightcentre, BMW, Daimler, Mercedes Benz, Deutsche Bahn, Westpac, Vodafone, 2DegreesMobile, UoW, T-Systems, EnBW, NEXT Kraftwerke, Shell, BNZ, ASB, Allianz and many others.
Trainer, Consultant, eBusiness-Architect, Enterprise-Application-Reviews, BPM + Cloud Native Consultant
IBM
- Training and Consulting Partner with IBM for IBM Germany as well as IBM EMEA, IBM Australia and IBM New Zealand.
- Training and Consulting around BPM, BPMN, ESB, SOA, WS Lombardi, WSRR, ILOG Rules, ODM, Communications Products, Cloud Native, Tigera Calico, Kubernetes.
- Advising management and business departments.
- Strategic advisor for Enterprise Architecture and Solution Design Reviews.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Professional Services, Tourism, Education, Banking and Finance, and Telecommunication.
Business area experience
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Experienced in Information Technology, Strategy, Research and Development, Project Management, Operations, and Quality Assurance.
Summary
Communications Engineering / Electrical Engineering Dipl. Ing. Digital Strategist, System Architect, Change Manager for Cloud Native BPM and digital transformation projects, resilient infrastructures, EA and BPM Coach, compliance frameworks and software resilience patterns.
Skills
Team Leadership + Coaching
Technology Transformations
System Integration
Change Management
Hybrid Multi-Cloud Kubernetes Enterprise Solutions
Software Resilience Patterns
Cyber Compliance Frameworks – Cmmc, Nist, Dora, Bsi, Nis-2, Ch Swiss Confederation, Kritis
Industries: Cross-Sector Automotive, Manufacturing, Energy, Insurance, Banking, Finance, Telecommunications, Government, Travel And Others.
12 Factor Applications, Cloud Native Designs
Enterprise Application Transformations
Agile Methods, Scrum, Waterfall, Safe
Declarative Concepts
Software Resilience Patterns
Kubernetes Enterprise Solutions, Resilience And Cyber Hardening
Certification Frameworks
Multi- And Hybrid-Cloud Hosting, Migrations And Solution Transformations
Lift & Shift Projects And Architecture Refactoring When Moving To The New Solution
Dread And Stride Security Assessments
Cloud Native Solution Designs And Kubernetes Security
Microsegmentation, Zero Trust Strategies
Ibm Bpm And Odm, Esb And Messaging Solutions, Integration Bus, Websphere And Soa As Well As Associated Communication Products And Solutions
Kubernetes, Calico, Argo, Helm, Docker, Kafka
Platform Agnostic Cloud Solution Designs, Sdn, Loadbalancing
Bpmn, Uml, Bpel, Wsdl, Xml, C, Jee
Intellij, Eclipse, Soap, Yaml, Html, Maven, Git, Spring Boot, Rest
Tigera Calico, Wireshark, Iptables, Linux Tc – Traffic Control, Gremlin, Firewalld
Nginx, Ingress, L7 Balancer, Bulkhead, Governor, Circuit Breaker
Queue Size & Timing Automation
Argo, Jenkins, Helm, Grafana, Prometheus
Various Log Scrapers, Kubernetes Monitoring Via Calico And Datadog And Others.
Languages
Education
Dipl. Ing. · Communications Engineering / Electrical Engineering · Ulm, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Lothar is based in Ditzingen, Germany and can operate in on-site, hybrid, and remote work models.
Lothar speaks the following languages: German (Native), English (Native).
Lothar has at least 24 years of experience. During this time, Lothar has worked in at least 15 different roles and for 14 different companies. The average length of individual experience is 2 years and 7 months. Note that Lothar may not have shared all experience and actually has more experience.
Based on recent experience, Lothar would be well-suited for roles such as: Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system, Multi-Cloud + Hybrid Cloud transformations of enterprise solutions, Lead-Architect - Coaching and consulting for IoT + Backend System Hardening and KRITIS transformation.
Lothar's most recent position is Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH.
In recent years, Lothar has worked for Shell AG and NEXT Kraftwerke GmbH, IBM, Mercedes-Benz Financial Services, IBM EMEA + DB Systel, and EnBW Karlsruhe.
Lothar is most experienced in industries like Information Technology, Professional Services, and Tourism. Lothar also has some experience in Education, Banking and Finance, and Telecommunication.
Lothar is most experienced in business areas like Information Technology, Strategy, and Research and Development. Lothar also has some experience in Project Management, Operations, and Quality Assurance.
Lothar has recently worked in industries like Information Technology, Professional Services, and Tourism.
Lothar has recently worked in business areas like Information Technology, Strategy, and Research and Development.
Lothar holds a Master in Communications Engineering / Electrical Engineering.
Lothar will be available full-time from December 2026.
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Calculated based on our freelancers’ daily rates as of 7 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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