VMware Tanzu Experts in Germany

I implemented a Zero-Trust architecture for robust, military-grade maritime container mini data centers based on VMware & Tanzu to support containerized GIS workloads for ground forces. The main focus was on securing communications, workload protection, and data access in contested electronic battle environments affected by jamming, interception, signal manipulation, and constantly changing operational conditions. I designed and architected use cases so that every element of workload, identity, and system could continue to operate independently and securely even in degraded or disrupted scenarios. In parallel, I defined the enterprise and solution security architecture with LeanIX, Bizzdesign, and HOPEX as enterprise architecture, repository, and governance platforms to maintain architecture inventory, relationships, traceability, target pictures, and security governance in complex environments. For the architectural designs, I used Sparx Enterprise Architect to describe formal architecture views, interfaces, trust boundaries, and system architecture in both IT and OT environments. IriusRisk was used for threat modeling of the solution to identify architecture-driven risks, derive security requirements, and detect countermeasures and design gaps directly from the solution models. Risk and compliance management was supported with Archer. Architecture decisions, control gaps, and operational risks were translated into controlled governance and auditable compliance measures. For documentation, collaboration, and visual design, I used Confluence to maintain Architecture Decision Records, Security Blueprints, and workflows. I used Lucidchart and draw.io to create design artifacts tailored to stakeholders. I also defined OT security concepts with support from electrical and mechanical engineers in the areas of oil, vehicle onboard systems, rail, power plants, pharma, gas turbines, and nuclear technology. I created the end-to-end OT security strategy, starting with global policy, developed into standards and procedures, and finally aligned with Bell-LaPadula, Purdue Model, SABSA, TOGAF ADM, CENELEC 50701, IEC 62443, and NIST standards. In addition, I worked with engineering team leads to identify critical KBP assets and place them under protective measures that segmented SCADA, PLC, and HMI assets. I drove collaboration between Security, IT, and OT teams to create standardized workflows and use cases for the OT security solution catalog, while integrating Defense-in-Depth and Zero-Trust principles into operational environments. A key part of my work was integrating multidisciplinary engineering, security, and operations stakeholders into a unified security blueprinting strategy and ensuring that architecture, threat modeling, governance, and documentation were technically strong and operationally practical.

• Promotes continuous integration and delivery (CI/CD) by applying DevOps principles to accelerate and automate development and operations processes.
• Provides hands-on support in implementing and deploying IaC using Bicep.
• Manages and optimizes cloud infrastructure on Microsoft Azure, ensuring scalability, availability, and efficiency.
• Implements and monitors comprehensive security measures, especially in network and data security, to protect systems and data.
• Manages and operates Kubernetes clusters to enable efficient orchestration and scaling of containerized applications.

• PRISMA project
• Ansible automation
• Windows third level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019

• Design and setup of infrastructure concepts for virtualized servers with VMware vSphere and VMware vCenter
• Migration from vCenter 7 environments to vCenter 8
• Automated deployment of virtual machines using Microsoft PowerShell and VMware PowerCLI as well as Ansible Tower
• Prototype setup and test migration of applications in various container environments
• Administration of firewalls and network components (routing and switching)
• Migration of VPN connection for all employees from Sophos UTM to Fortigate IPSec VPN with FortiToken
• Automation of OS installations on Linux with Ansible and GitLab
• VMware vSphere 8 with VMware vCenter 8
• VMware API
• VMware NSX-T
• VMware vSAN
• VMware Tanzu
• Red Hat OpenShift
• Docker
• SLES 15, Red Hat 9 and Microsoft Windows Server
• Microsoft Windows PowerShell
• GitLab
• Ansible Tower (AWX)
• SUSE Manager 4 and 5
• Fortigate Firewalls
• Fortinet Analyzer and Manager
• Juniper and Cisco switches and routers