Christian D.-DevOps Specialist/System Administrator

Major support in the development and setup of the KfW cloud infrastructure in the Azure cloud. Deputy team lead of the cloud operations team. Main responsibility for operations and the implementation of KfW requirements for release, change, and incident management.

• Automation of application infrastructure, IaC, CI/CD across all stages (Dev, Test, Production) via Azure Pipelines/Terraform and Ansible. Also code analysis (Chekov, Sonarcube). Priority focus on the Prod stage to meet regulatory policies
• Development/implementation of the required cloud permission structures (RBAC, Entra-ID/LDAP, security policies)
• Setup/maintenance of the landing zone hub-and-spoke architecture for KfW customer projects
• Error analysis, stabilization, and security measures via Splunk and Prometheus, Elastic Search.
• Incident, change, and release management (HPESM, Jira, ServiceNow)
• Scripting (Bash, PowerShell, HCL, YAML)
• Implementation of geodata modules and components in the PostgreSQL GIS module (ArcGIS)
• Administration and operation of the self-hosted run agents (Linux/Windows).
• Management of the dev code artifacts (Artifactory)
• Support for KfW projects (TrustBudget) in processing real-time data streams (Kafka)
• Implementation and maintenance of pipelines (Medallion, AI) for consolidating and presenting all ecologically/economically relevant company data from the KfW funding programs. (Databricks, Datalake, Azure Fabric, PowerBI)

Operation of the FreeBSD-based secure cloud at FITS. Building/compiling high-level services such as proxy, firewall, and network server components, as well as monitoring the running services.

In detail:

• Optimization, maintenance, and support of the infrastructure for the connected state banks and savings banks.
• Implementation and configuration of application containers for the stages Dev, Test, Int, Prod. (automation, scripting).
• Log management, resource monitoring, normalization, consolidation of data streams, SIEM (Splunk).
• Configuration, deployment, and release management.
• Incident and escalation management.
• Network/firewall/DNS.
• Process automation and optimization.
• Documentation, knowledge management.

Operation of the classic datacenter server architecture for the bank applications' multichannel, multitier components in payment transactions.

• Optimization, maintenance, and support of bank applications (multichannel/multitier components).
• Automated deployments through the change management process (Dev, Test, Int, Prod).
• OAM (Operations Access Management).
• Setting up interfaces and workflows.
• Fraud detection and prevention.
• Support with the Code Compare security audit by BaFin.
• Batch processing, creation, and maintenance.
• Log management, analysis, and resource monitoring.
• Incident and escalation management.
• Documentation, knowledge management

Commissioning and operation of the TXSuite software for controlling and managing the cover funds in the granting of home construction loans at BHW.

• Setup of the multichannel architecture and databases of TXSuite.
• Integration into the company's wider application landscape via technical interfaces.
• Incident and escalation management.
• Batch processing, log management/analysis/monitoring (24/7 hotline).
• Creating system status dashboards and reporting.
• Continuous optimization of the application structures.
• Documentation and knowledge management.

Founding and technical setup of the web hosting start-up Multihosting. Sole responsibility for implementing the server infrastructure with open source software. Building services such as web hosting, web radio, and virtual servers.

• Planning, implementation, and operation of the IT infrastructure.
• Development of modern tariff structures for the EU market.
• Provision of dedicated and virtualized server systems.
• Network, firewall, and security concepts.
• Accounting and business logic.
• Configuration, backup, and lifecycle management
• Log management and monitoring.
• Problem and escalation management.
• HelpDesk/multi-level support.

Supported the operation of the company's multitier applications, such as Adacta DMS, building and managing standalone service boxes for GSM antenna systems, as well as a newly developed packet distribution software to optimize delivery services.

• Installation, maintenance, and support of the software product portfolio.
• Adacta DMS (Java-based document management suite).
• Implementation of applications at customer sites (Balkan region).
• Adacta Service-Box (hardware server box for autonomous operation of Vodafone mobile antenna GSM systems).
• Development of a new parcel distribution system (Red Parcel Post) with fuzzy logic and AI elements for the German market.
• Quality assurance, test automation, multi-level customer support (Greek and English).
• Release and deployment management.
• Documentation and knowledge management

Founded and technically led a publicly funded start-up focused on the local use of internet services for small and medium-sized businesses. Built an internet portal about weddings.

• Start-up with public funding.
• Design, development, implementation, and maintenance of websites and e-commerce applications for small and medium-sized businesses.
• Development and implementation of an online portal as an advertising platform, including tools for planning and supporting participating customers.
• Development of modern pricing structures, advertising, and sales strategies.
• Documentation and knowledge management.