Disaster Recovery Experts in Frankfurt

Leading Jefferies’ DORA-driven operational resilience programme by strengthening ICT risk governance, control design, and regulatory readiness across key technology and outsourcing domains. Partnering with senior stakeholders to translate regulatory requirements into pragmatic governance, reporting, and assurance processes suitable for a global investment banking environment.

• Developed the Enterprise Register of Information (DORA Art. 28.3) to align with regulatory requirements.
• Defined and embedded ICT Risk Appetite and tolerance levels aligned to the Global Operational Risk Framework, strengthening decision-making and risk acceptance governance.
• Drove audit readiness by reviewing and re-drafting 50+ IT & Information Security policies, improving clarity, ownership, and control alignment.
• Oversaw the Operational Resilience Testing Programme (including penetration testing) and tracked remediation to closure, strengthening control assurance and reducing open findings.
• Aligned 10+ intra-group agreements with DORA regulatory standards.
• Enhanced executive-level decision-making with an enterprise ICT Risk Dashboard featuring KPIs/KRIs.

• GfK Data center IT Infrastructure project onsite coordinator (Equinix DC FR2/FR7) training FEs in Equinix DC Carla, FNT, Jira Confluence, ServiceNow (Change/Problem/Incident MGMT), DCIM, ITSM, ITIL
• Reporting significant incidents as the on-site technical coordinator and initial point of contact for vendor escort and smart hands
• Utilizing CMDB-GUI, NIQ-Browser, CMDB-Filtering-GUI, OSS-Radar, BigBrother, CheckMK, and TTWOS for 2nd and 3rd level troubleshooting support
• Maintaining MDF, IDF, computer rooms, and closets; coordinating with service desk, reception, and security for visitor access
• Managing asset lifecycle including operation, retirement, stocking, and destruction with proper SanDisk procedures
• Leading footprint data centre optimization and reduction in FR2/FR7; handling network, server, storage, desktop, hosting, IT security, video conferencing, and telephone operations
• Coordinating server relocations, fibre optics/copper cable preparations, CMDB updates, and stakeholder cooperation
• Implementing IT infrastructure design, maintenance, configuration, and construction following Dell/HP/Apple ESD safety precautions
• Single POC for change management network, Star Track, backup & storage, cloud, Linux, Windows, EUS teams & Software Centre installs
• Successfully completed DC Footprint Reduction Project 2021/2022 and GfK New Hardware DC Refresh Initiative
• Planning, configuring, and installing Dematic server rooms and switch configurations in Heusenstamm, Wurzburg, Kahl am Main, and Graz Austria
• Providing on-site media equipment setup for HP, hospitals, manufacturers, and laboratories
• Ensuring professional rack and cable management following best practices
• Maintaining up-to-date plant maps accessible to all teams showing technology space and spare locations
• Offering technical assistance for live events, town halls, forums, streaming, and hybrid events on and off campus
• Providing second level support for Poly video conferencing systems across multiple time zones
• Conducting frequent computer room walkthroughs, recording power, cooling, alarm, security threats, and mapping wireless environment and access points

• Implementation of specified DevOps solutions to automate infrastructure (Terraform, Bicep, CloudFormation, Ansible) on-premises datacenter (Ovirt, Proxmox, Ceph Cluster, MinIO) and private cloud.
• Administration, configuration and implementation of CI/CD DevOps pipelines (GitLab, GitFlow) to support development process (Artifactory, Prometheus, Istio, service mesh, Helm Chart, OpenShift (Red Hat Enterprise) / Kubernetes cluster), Red Hat Satellite.
• Administration, setup, monitoring and patching of Linux infrastructure based on Red Hat Enterprise for Dev, Test and QA.
• Use of Scrum and Kanban methods.
• Administration, configuration and implementation of security standards for deploying on Dev, Test, QA and Prod stages of the new ePA applications.
• Development of new plugins and add-ons needed on current infrastructure.
• Database support.
• Data analytics support (Python, Spark, Pandas, Power BI, Splunk Enterprise).
• Implementation of best practices for DevSecOps and BizDevOps using GitOps (ArgoCD), Streamlit framework, Semaphore Ansible UI.
• Configuration and testing of iperf, uperf, sysbench using benchmark-operator for external source data and IoT/MDM devices, creating reports via ELK / OpenSearch.
• Building a new Databricks platform to collect and analyze big data from different sources and IoT devices into Hadoop framework (Python, Pandas, PySpark, Power BI, Apache Airflow).
• Building backend data aggregation and processing to automate configuration deployment between different OpenShift clusters and big data framework (Python, Pandas, PySpark, Apache Spark, PostgreSQL, Django 2, Ansible Automation, Jira JSM).
• Building a new ML pipeline platform using Kubeflow, TensorFlow, KServe.
• Data extraction, transformation and loading from different data sources including structured and unstructured data to analytic DWH / big data cluster using Python, Pandas, Polars, Power BI, Django backend and PostgreSQL.
• Setup of new DevOps Test and QA HashiCorp Vault cluster for PKI and IAM.
• Configuration and testing of automated patching based on CVSS score, SIEM-integrated CVEs.
• Use of Nexpose and InsightVM to scan vulnerability events in network, host, container and application.
• Design and implementation of secure and scalable AWS architectures including VPC, EC2, S3, RDS and Route53 and similar setups on Azure and GCP.
• Automated system provisioning and deployment using CloudFormation templates.
• Configuration of IAM roles, policies and permissions to ensure secure access control.
• Patch management, backup automation and disaster recovery setup on AWS infrastructure.
• Monitoring and optimization of system performance using AWS CloudWatch and AWS Trusted Advisor.
• Support of VMware services (vSphere, Aria, Horizon) and the virtual desktop environment.
• Development and maintenance of CI/CD pipelines using Jenkins, GitLab CI/CD and AWS CodePipeline with interface to Nutanix.
• Configuration of AWS CloudWatch to monitor application performance and system events.
• Planning and execution of migration of on-premises applications to AWS cloud platforms.
• Deployment of containerized applications using Docker and Kubernetes in AWS environments.
• Deployment of internal software packages between availability zones using AWS CodeDeploy.
• Building and deploying ML models using Scikit-learn, XGBoost and Spark MLlib including hyperparameter tuning, model evaluation and production deployment.

• Support for end users by telephone and Skype
• Error diagnosis and problem solving by telephone and remote access
• Independently receiving incident reports
• Forwarding unresolved problems to the appropriate escalation level
• Reinstalling incorrectly installed software or incorrectly configured computers
• Receiving requests and incident reports by email or ticket system
• Identifying and classifying problems and requests
• Performing initial diagnostic steps and attempting solutions for frequently occurring problems
• Providing basic technical support to users in the use of hardware and software
• Forwarding complex problems and requests to 2nd or 3rd Level Support
• Documenting incidents and solutions in a ticket system
• Monitoring and escalating open tickets to ensure that problems are resolved on time
• Communicating with users to provide updates on the progress of problem resolution
• Installing, configuring and maintaining hardware and software components
• Repairing and replacing defective components
• Monitoring and optimizing system performance and network connections
• Supporting the troubleshooting and diagnosis of technical problems
• Installing and configuring operating systems and application software
• Ensuring compliance with security policies and data protection regulations
• Managing user accounts and access rights
• Performing regular backups and recovery processes
• Creating technical documentation and instructions
• Training users in the use of IT systems and applications
• Technologies/Methods: Skype, ticket system

• Global marketing analytics for Hitachi Energy as part of a global data modernization initiative aiming to enhance data retention, historical data availability and provide Eloqua's 2-year retention for remote interaction reporting and analytics.

• Analyzed Eloqua's default retention policy and identified risk of data loss for records older than two years.

• Designed and implemented historical data preservation strategy by creating transformed tables in the target data platform to archive older data while ensuring data quality dashboards.

• Collaborated with the Power BI team to re-point dashboards from raw Eloqua imports to the newly created archival layer.

• Leveraged Jira to track and manage data engineering tasks, bugs, and feature requests across Agile sprints; coordinated backlog prioritization and task assignment to align data pipeline development with business needs.

• Power BI dashboard optimization:

• Worked closely with business stakeholders to assess and understand reporting needs for reverse customer data.

• Designed and implemented incremental refresh in Power BI to ensure daily updates without full data reloads.

• Collaborated with Azure data engineers to optimize data processing and publication pipelines.

• Stakeholder communication & data modeling:

• Acted as liaison between Group Data Office and Technology Office to align data modelling standards.

• Gathered requirements from data engineering team and participated in weekly status meetings to provide implementation updates and resolve blockers across teams in Germany, Poland, and India.

• Documentation & quality assurance:

• Prepared end-to-end technical design documentation, data flow diagrams, and Power BI audit guides for future reference.

• Participated in UAT sessions with business users to validate data outputs and report accuracy.

• Microsoft Azure: design, shape, and capacity analysis including PoC
• Microsoft Azure: final implementation for migration from on-prem RAC to single instance Data Guard
• Performance tuning and troubleshooting for crew management systems (pilots and briefings)
• Design and implementation of disaster recovery aware system based on RAC Extended Cluster and Data Guard
• OEM: Oracle Cloud Control maintenance, installation and upgrades (12.1.0.5 > 13.3 > 13.5)
• OEM: creating agent golden image with new RU and security fixes for full-scale environment
• OEM agent upgrade
• OEM: developing custom metric extensions and reports
• OEM: full monitoring setup with template collection and monitoring templates and incident rule configuration
• Upgrades: GI from 11.2.0.4 to 12.1.0.2, to 18.4, to 19.6+
• Upgrades: databases from 11.2.0.2 to 12.1.0.2, to 19.18+
• Redesign and license optimization based on Oracle SE on ODA and DBVisit
• Design of virtualized platform based on OLVM and license optimization using hard partitioning
• Migration of databases from bare metal to OLVM