Data Solutions Architect, Data Architect, Data Engineering, Dara Warehouse, Databases Administrator
Aktualisiert am 19.03.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.04.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Datenarchitektur
Data Engineer
Solution Architect
Data Modeling
Datenbankadministration
Datenbankentwicklung
AWS
amazon Redshift
Greenplum Database
Oracle
MS SQL Server
PostgreSQL
Kubernetes
Kafka
RabbitMQ
Presales
Präsentation
Englisch
fluent
German
B1/B2

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

5 Jahre 2 Monate
2021-02 - heute

Data and Analytics

Senior Solution Architect Oracle AWS (Redshift/S3/Lambda) Informatica Cloud DI/IDMC ...
Senior Solution Architect
Work with different customers to provide in-depth technical support by designing and implementing data and analytics solutions. Provided strategic advice and best practices on cloud data platforms, data warehouses and data analytics. Led technical assessments and architected solutions for cloud migrations and adoption, data architecture modernization and advanced analytics implementations.
  • Enterprise Data Platform Modernization: Led AWS data platform modernization by architecting and developing centralized medallion data architecture with dimensional model and integrated data marts. Developed modular and fault-tolerant data pipelines using Airflow and dbt. Created data lineage for Tableau and Salesforce CRM to improve auditability and root-cause analysis of data issues. Optimized Snowflake by using clustering keys, result caching and compute resource allocation.
  • AWS Data Warehouse Migration: Migrated large Oracle data warehouse to AWS using Amazon Redshift and Informatica Cloud Data Integration. Designed cloud-native data model and architecture, integrated AWS S3 for data lake and AWS Lambda for automated processing. Implemented multi-region and multi-cluster data sharing for high availability and accessibility. Set up AWS SageMaker for ML/AI models and notebooks, integrated Data Lake and DWH.
  • Azure Business Intelligence Platform: Architected and implemented data platform on Azure Databricks and PowerBI. Designed and developed data streaming pipelines using Debezium for CDC and Delta Live Tables (DLT) for Data Lake ingestion and transformation. Architected and developed centralized semantic model (tabular model) using Azure Analysis Service (AAS). Improved Spark Cluster performance by optimizing partitions, shuffles and cache.
  • Data Vault Model Enhancement: Enhanced Data Vault model for efficient data ingestions and transformations, optimized load performance and query execution times. Tuned SQL queries, implemented materialized views and optimized keys and hashing with binary storage. Architected and developed Point-in-Time (PIT) and Bridge tables and reviewed business keys, links, and model granularity for accuracy and performance improvement.
  • Master Data Management Migration: Migrated IBM InfoSphere MDM to Informatica Cloud Pak for Data (CP4D), ensuring master data consistency. Developed data mapping, transformation, and validation processes to improve data quality and accuracy. Performed benchmark for containerized environment and suggested improvements.
  • Strategic Advisory and Client Engagement: Conducted technical assessments of customers data platforms and developed roadmaps for cloud transformation. Provided executive presentations and technical workshops. Collaborated with cross-functional teams, running complex program management, including cross-project planning.
Oracle AWS (Redshift/S3/Lambda) Informatica Cloud DI/IDMC Azure Databricks Azure Data Lake Azure Data Factory Azure Synapse Power BI Data Vault 2.0 Tableau Cloud dbt Airflow Python Spark AWS Redshift S3 Lambda SageMaker Azure Data Factory Azure Analysis Service PowerBI Tableau
HCL Technologies Inc
2 Jahre 5 Monate
2022-09 - 2025-01

End-to-end data architecture and solutions design

Senior Data Solutions Engineer Greenplum Apache Kafka Kubernetes ...
Senior Data Solutions Engineer
Engaged part-time for strategic enterprise customers, managed end-to-end data architecture and solution design, with focus on cloud migration, data platform modernization, transformation, and ML/AI analytics implementation. Provided strategic advice on cloud migration, performance tuning, and data engineering best practices.
  • Private Cloud Data Platform Implementation: Architected and deployed private cloud data platform on VMware vSphere cluster tailored to customer?s infrastructure and AI/ML workloads requirements. Designed and implemented multi-tier reference architecture integrating Greenplum MPP data warehouse for large-scale analytical processing, Apache Kafka for real-time event streaming, Kubernetes for containerized data workloads orchestration, and Apache Solr for distributed text search and indexing. Developed real-time data ingestion and transformation pipelines using Kafka Connect and Schema Registry. Optimized Kafka on Kubernetes by tuning partitions, replication factors, and broker configurations. Implemented observability and monitoring by Prometheus/Grafana. 
  • Enterprise Data Warehouse Migration and Optimization: Led Oracle Exadata to Greenplum cluster migration, rearchitected data models and optimized storage for high-performance queries. Implemented RabbitMQ with Debezium for real-time change data capture (CDC) and streaming. Implemented VectorDB for Generative AI and large language models (LLMs) for advanced search and retrieval of data.
  • Cloud Migration Proof of Concept: Designed and executed multi-cloud migration PoC, assessing AWS, Azure, and GCP for compatibility with enterprise data and analytics workloads. Defined success KPIs (e.g., data transfer throughput, query latency, storage performance, operational cost efficiency, and scalability benchmarks) to objectively assess each platform. Executed end-to-end data migration tests including bulk data transfer. Validated analytics and streaming/real-time processing for performance and integration with existing pipelines. Delivered architecture recommendations for fullscale adoption, multi-cloud integration patterns and data lake/data warehousing layer strategies.
  • Data Platform Modernization and Advisory: Assessed legacy on-premises data infrastructure and designed modern, cloud-native data platforms using Greenplum MPP DWH and containerized microservices (Kubernetes). Advised on scalability, disaster recovery, and high-availability architectures.
Greenplum Apache Kafka Kubernetes Apache Solr Oracle Exadata RabbitMQ Debezium vector databases (LLM/AI) dbt Airflow AWS Azure GCP Kafka
VMware Inc.
Berlin
7 Monate
2020-08 - 2021-02

Data Architecture, Data Warenhause and Data Engineering

Lead Data Architect (freelance) AWS AWS Glue Amazon Redshift ...
Lead Data Architect (freelance)
Architected and implemented AWS based data warehouse, integrated real-time data streaming with Apache Kafka and AWS Aurora (PostgreSQL). Designed and implemented ETL pipelines using AWS Glue, Spark, and PySpark. Created data lake and data warehouse with Amazon Redshift/Spectrum and AWS S3. Created master data management and data dictionary using AWS Glue Catalog. Implemented data governance policies, security protocols, and access controls.
AWS AWS Glue Amazon Redshift Amazon Aurora Amazon S3 Kafka Spark PySpark Python
Auto1 Group AG
Berlin
1 Jahr 2 Monate
2019-07 - 2020-08

Data Solutions and Analytics

Deputy Vice President Cloud data platforms (AWS Redshift/Snowflake) big data ETL tools (Spark/Python) data governance ...
Deputy Vice President
Led architecture and implementation of data solutions, analytics infrastructure, and cloud transformation programs. Designed data strategies for data platform optimization and led AI/ML adoption for BI and predictive analytics. Provided thought leadership in big data engineering and cloud migration projects.
  • Enterprise Data Transformation: Led modernization of on-premises legacy data platform to scalable, cloud-native architecture in AWS. Designed and set up high-volume and fault-tolerant ETL pipelines using AWS Glue, Lambda, Kinesis, and S3 for batch and real-time ingestion processing. Set up data lake architecture with partitioned storage and schema evolution to optimize query performance. Integrated Redshift and Athena for analytics. Optimized data availability and governance using Lake Formation, IAM policies, and data encryption.
  • Telecom External Data Monetization: Designed and implemented data monetization architecture for secure external data sharing with customers and partners. Designed data pipelines for ingestion, transformation, and segmentation of large telecom datasets using AWS Glue, EMR, and S3. Applied privacy-by-design principles like data anonymization, tokenization, and differential privacy techniques to achieve GDPR compliance. Developed segmentation and benchmarking frameworks for aggregated insights.
  • Centralized Data Warehouse: Architected and implemented enterprise data warehouse by consolidating several transactional, operational, and third-party data sources and databases into single platforms. Developed ETL/ELT pipelines using Azure Data Factory, Python and SQL for data ingestion and transformation. Optimized Snowflake storage and query performance by partitioning, clustering, and materialized views.
  • IoT Architecture and Predictive Analytics: Architect IoT analytics platform in the AWS to process large-volume realtime sensor data streams. Implemented and deployed ingestion pipelines using Apache Kafka to ingest and stream data into data lake on S3. Created scalable data transformation pipelines using Apache Spark with gap-filling techniques for irregular time-series data. Created rule-based predictive models in Python and SQL.
  • Data Governance, Security and Cloud Migration Strategy: Established and implemented enterprise data governance processes that ensured compliance with GDPR, CCPA, and ISO 27001 rules. Created data classification, lineage, cataloging, and retention policies. Led large-scale cloud migration projects, performing comparative assessments of AWS, Azure, and GCP.
  • Leadership and Customers Engagement: Provided strategic guidance to C-level leaders on data modernization and AI/ML analytics. Delivered technical workshops and executive briefings. Led cross-functional teams.
Cloud data platforms (AWS Redshift/Snowflake) big data ETL tools (Spark/Python) data governance Azure GCP AWS Redshift AWS Glue Snowflake Spark Kafka Python Data Governance
Evalueserve Inc
2 Jahre 4 Monate
2017-04 - 2019-07

Data Cloud Migration

Lead Data Architect and Data Engineer Apache Hadoop (HDFS/Hive) Teradata AWS ...
Lead Data Architect and Data Engineer
  • Led the migration of 40PB of data from Hadoop HDFS to AWS using AWS EMR, S3, Redshift and Snowflake to deliver zero-downtime execution with seamless data transformation and performance optimization.
  • Implemented cloud data lake with automated ETL pipelines using AWS Glue, Spark and Lambda.
  • Developed real-time data pipelines for structured and unstructured data.
  • Optimized Redshift and Snowflake performance by implementing WLM and advanced query optimization techniques.
  • Provided technical leadership and guidance to cross-functional teams, ensuring best practices in data architecture.
  • Worked in close collaboration with global teams in US and India to align data plans.
Apache Hadoop (HDFS/Hive) Teradata AWS S3 Redshift Spectrum Snowflake Glue Lambda Apache Spark IoT analytics Talend Data Vault 2.0 Hadoop HDFS
Siemens Energy
Berlin
5 Monate
2016-12 - 2017-04

Data Warehouse and BI Implementation

Senior Data Warehouse Architect PostgreSQL Talend ETL automation ...
Senior Data Warehouse Architect
Designed and implemented scalable data warehouse and self-service BI platform to support advanced analytics and reporting. Led ETL development and dimensional modeling, using PostgreSQL and Talend to automate data ingestion and transformation from multiple sources. Optimized the database schema and indexing, improving query performance and BI report generation time. Developed and automated data quality and validation workflows.
PostgreSQL Talend ETL automation data warehousing business intelligence Tableau
Esty Inc.
Berlin
1 Jahr 4 Monate
2015-09 - 2016-12

Cloud-based backup and disaster recovery solutions

Data Engineering Team Manager Data warehousing & BI database consolidation Amazon S3/Glacier (backup & DR)
Data Engineering Team Manager
Led data engineering and infrastructure projects, delivering centralized data warehouse and BI platform, consolidating databases, and executing secure migrations to partner data centers. Implemented technical standards and deployed cloud-based backup and disaster recovery on Amazon S3/Glacier to improve scalability and resilience.
Data warehousing & BI database consolidation Amazon S3/Glacier (backup & DR)
Nexon Europe GmbH
Berlin
2 Jahre
2013-10 - 2015-09

Development of Business Intelligence based on Redshift and Tableau

Lead DBA and Senior Systems Engineer Oracle SQL Server MySQL ...
Lead DBA and Senior Systems Engineer
Managed 100+ high-transaction databases (Oracle, MSSQL, PostgreSQL) for online gaming, optimizing performance, backups, and AWS RDS integration to cut costs and improve query speeds. Developed BI on Redshift and Tableau. Ensured high availability via PostgreSQL clustering and SQL Server virtualization.
Oracle SQL Server MySQL Pentaho Amazon Redshift Tableau database virtualization
Aeria Games GmbH
Berlin, Germany
1 Jahr 7 Monate
2012-04 - 2013-10

automated backup and recovery processes

Senior DBA, Systems Engineer Oracle RAC Oracle ASM Microsoft SQL Server ...
Senior DBA, Systems Engineer
Led high availability OLAP/OLTP databases operations for real-time betting, migrated core systems to SQL Server 2008, reengineered ETL workflows, and implemented real-time replication to reduce latency and boost responsiveness. Developed automated backup and recovery, enforced GDPR/PCI-DSS compliance, and optimized mission-critical systems for availability and performance.
Oracle RAC Oracle ASM Microsoft SQL Server MySQL Cluster data replication data security
William Hill Plc.
Tel Aviv
1 Jahr 2 Monate
2011-03 - 2012-04

Development of IaaS cloud management software

Technical Project Lead and Oracle Expert Oracle Oracle Streams Oracle LogMiner ...
Technical Project Lead and Oracle Expert
Supported development of IaaS cloud management software, designed robust database architectures and implemented cross-platform replication with Oracle Streams and LogMiner. Automated deployments, optimized performance, scalability, and supported sales with technical demos and architecture consultations.
Oracle Oracle Streams Oracle LogMiner database replication automation scripting
Zimory GmbH
Berlin
5 Jahre
2006-04 - 2011-03

business-critical Oracle databases

Lead Oracle DBA and Systems Engineer Oracle Database (RAC/ASM/Data Guard) ETL optimization high-availability architecture
Lead Oracle DBA and Systems Engineer
Managed 24/7 mission-critical Oracle databases, driving high availability, performance tuning, and disaster recovery through RAC, ASM, Data Guard, and workload optimization. Consolidated databases, automated data integration and backups, enforced SOX compliant security, and provided technical leadership to DBA teams.
Oracle Database (RAC/ASM/Data Guard) ETL optimization high-availability architecture
Vodafone Group Plc.
Budapest
3 Jahre
2003-05 - 2006-04

Telecommunications billing systems

Senior Oracle DBA, Senior Subject Matter Expert Oracle Database PL/SQL ETL processes ...
Senior Oracle DBA, Senior Subject Matter Expert
Led mission-critical Oracle database operations supporting telecom billing systems, achieving 99.99% uptime through advanced performance tuning, and disaster recovery strategies. Enhanced data processing efficiency with PL/SQL and ETL workflows, improved query performance through architectural optimization.
Oracle Database PL/SQL ETL processes Unix telecom billing systems
Amdocs Inc.
Tel Aviv
3 Jahre
2000-06 - 2003-05

Oracle DBA

Oracle Database backup & recovery performance tuning ...
Managed enterprise Oracle databases with a focus on high availability, performance, and security, including seamless migrations and robust backup/recovery strategies.
Oracle Database backup & recovery performance tuning automation (shell scripting)
ACS Ltd
Tel Aviv

Aus- und Weiterbildung

Aus- und Weiterbildung

2006 - 2010
B.Sc. in Computer Science
University of Hertfordshire

1997 - 2000
Engineer in Software Engineering
Technological College of Beer-Sheva

Certifications
  • Oracle Certified Professional (OCP) - Oracle University
  • Microsoft SQL Server Administrator (MOC 10775) - TÜV Rheinland

Position

Position

  • Senior Data Solutions and Analytics Expert
  • Data Architect
  • Data Engineer

Kompetenzen

Kompetenzen

Top-Skills

Datenarchitektur Data Engineer Solution Architect Data Modeling Datenbankadministration Datenbankentwicklung AWS amazon Redshift Greenplum Database Oracle MS SQL Server PostgreSQL Kubernetes Kafka RabbitMQ Presales Präsentation

Produkte / Standards / Erfahrungen / Methoden

Data Architecture
Experte
Data Modelling
Experte
Data Warehouse
Experte
Data Strategy
Experte
Data Governance
Experte
Data Engineering
Experte

Profile Summary

  • Senior Data Architect and Data Engineer with over 25 years of experience in designing and delivering large-scale data architectures and strategies, analytics solutions, cloud transformations and migrations. 
  • Extensive hands-on experience in architecting and implementing large-scale data platforms in cloud and on-premises. 
  • Strong proficiency in data architecture: Data Warehouse, Operational Data Store, Data Lake, Lakehouse, Data Mesh. 
  • Deep expertise in data modelling: Relational, Dimensional (Star, Snowflake, Galaxy), Data Vault, Data Marts, 3NF. 
  • Extensive experience with Massively Parallel Processing (MPP) and Distributed Data systems. 
  • Significant knowledge and experience with Data-as-a-Service (SaaS/DaaS), AI/ML analytics and Business Intelligence. 
  • High proficiency in designing and implementing high-performance ETL/ELT and streaming data pipelines. 
  • Strong background in Data Governance, Data Lineage, Data Quality and Data Security. 
  • Expert in optimization and administration of high volume OLTP/OLAP databases in mission-critical 24x7 environments, improving performance, scalability, and high availability.

Core Technical Skills

  • Cloud and Infrastructure
    • AWS, Azure, GCP, VMware vSphere, Kubernetes
  • Data Platforms
    • Snowflake, Azure Synapse, Microsoft Fabric, Databricks, Amazon Redshift, Greenplum
  • Big Data and Processing
    • Apache Spark, Hadoop (HDFS, Hive), AWS EMR
  • Streaming and Integration
    • Airflow, DBT, Kafka, AWS Kinesis, Debezium, RabbitMQ, AWS Glue, Pentaho, Talend, ADF
  • Programming and Scripting
    • Python, PySpark, Java, Perl, PowerShell, Unix Shell, SQL, PL/SQL, PL/pgSQL
  • Databases
    • Oracle, Oracle RAC, PostgreSQL, MS SQL Server, MySQL, AWS RDS, Azure SQL
  • Operating Systems
    • Unix (HP-UX, Solaris, AIX), Linux (RHEL, Debian, Ubuntu), Windows Server
  • DevOps and Methodologies
    • CI/CD, Docker, Helm, Terraform, Ansible, Agile/Scrum, ITIL Fundamentals

Personal Skills
  • Problem-Solving and Analytical Thinking - Strong ability to troubleshoot complex issues efficiently.
  • Customer-Focused Approach - Service-oriented mindset with experience in client-facing roles.
  • Quick Learner and Adaptability - Rapidly adapts to new technologies, tools, and business domains.
  • Independent and Proactive - Self-motivated with a strong ability to work autonomously.
  • Team Collaboration and Leadership - Effective team player with experience leading cross-functional teams.
  • Strong Communication Skills - Clear in technical and non-technical discussions, fluent in English and German.

Betriebssysteme

AIX
EMR
Lambda
Linux
RHEL, Debian, Ubuntu
S3
Unix
HP, Solaris, AIX
Windows Server

Programmiersprachen

Agile/Scrum
ANTLR
Bash Shell
C Shell
J2EE
Java
Perl
PL/SQL
PowerShell
Python
Unix Shell
SQL/T-SQL
PySpark
CI/CD

Datenbanken

Amazon
Aurora, Redshift
Amazon Aurora
amazon Redshift
Athena
RDS/Aurora
Data Architecture
Data Modeling
data modelling
Data Warehouse
ETL
MariaDB
Microsoft SQL Server
MySQL
MySQLCluster
Oracle
PostgreSQL
AWS Aurora/RDS
AWS Redshift
SSRS
Snowflake
Greenplum

Berechnung / Simulation / Versuch / Validierung

IT Architecture
ITIL Fundamentals

Branchen

Branchen

  • Software development company
  • IT Services
  • Telecommunications
  • Financial industry

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

5 Jahre 2 Monate
2021-02 - heute

Data and Analytics

Senior Solution Architect Oracle AWS (Redshift/S3/Lambda) Informatica Cloud DI/IDMC ...
Senior Solution Architect
Work with different customers to provide in-depth technical support by designing and implementing data and analytics solutions. Provided strategic advice and best practices on cloud data platforms, data warehouses and data analytics. Led technical assessments and architected solutions for cloud migrations and adoption, data architecture modernization and advanced analytics implementations.
  • Enterprise Data Platform Modernization: Led AWS data platform modernization by architecting and developing centralized medallion data architecture with dimensional model and integrated data marts. Developed modular and fault-tolerant data pipelines using Airflow and dbt. Created data lineage for Tableau and Salesforce CRM to improve auditability and root-cause analysis of data issues. Optimized Snowflake by using clustering keys, result caching and compute resource allocation.
  • AWS Data Warehouse Migration: Migrated large Oracle data warehouse to AWS using Amazon Redshift and Informatica Cloud Data Integration. Designed cloud-native data model and architecture, integrated AWS S3 for data lake and AWS Lambda for automated processing. Implemented multi-region and multi-cluster data sharing for high availability and accessibility. Set up AWS SageMaker for ML/AI models and notebooks, integrated Data Lake and DWH.
  • Azure Business Intelligence Platform: Architected and implemented data platform on Azure Databricks and PowerBI. Designed and developed data streaming pipelines using Debezium for CDC and Delta Live Tables (DLT) for Data Lake ingestion and transformation. Architected and developed centralized semantic model (tabular model) using Azure Analysis Service (AAS). Improved Spark Cluster performance by optimizing partitions, shuffles and cache.
  • Data Vault Model Enhancement: Enhanced Data Vault model for efficient data ingestions and transformations, optimized load performance and query execution times. Tuned SQL queries, implemented materialized views and optimized keys and hashing with binary storage. Architected and developed Point-in-Time (PIT) and Bridge tables and reviewed business keys, links, and model granularity for accuracy and performance improvement.
  • Master Data Management Migration: Migrated IBM InfoSphere MDM to Informatica Cloud Pak for Data (CP4D), ensuring master data consistency. Developed data mapping, transformation, and validation processes to improve data quality and accuracy. Performed benchmark for containerized environment and suggested improvements.
  • Strategic Advisory and Client Engagement: Conducted technical assessments of customers data platforms and developed roadmaps for cloud transformation. Provided executive presentations and technical workshops. Collaborated with cross-functional teams, running complex program management, including cross-project planning.
Oracle AWS (Redshift/S3/Lambda) Informatica Cloud DI/IDMC Azure Databricks Azure Data Lake Azure Data Factory Azure Synapse Power BI Data Vault 2.0 Tableau Cloud dbt Airflow Python Spark AWS Redshift S3 Lambda SageMaker Azure Data Factory Azure Analysis Service PowerBI Tableau
HCL Technologies Inc
2 Jahre 5 Monate
2022-09 - 2025-01

End-to-end data architecture and solutions design

Senior Data Solutions Engineer Greenplum Apache Kafka Kubernetes ...
Senior Data Solutions Engineer
Engaged part-time for strategic enterprise customers, managed end-to-end data architecture and solution design, with focus on cloud migration, data platform modernization, transformation, and ML/AI analytics implementation. Provided strategic advice on cloud migration, performance tuning, and data engineering best practices.
  • Private Cloud Data Platform Implementation: Architected and deployed private cloud data platform on VMware vSphere cluster tailored to customer?s infrastructure and AI/ML workloads requirements. Designed and implemented multi-tier reference architecture integrating Greenplum MPP data warehouse for large-scale analytical processing, Apache Kafka for real-time event streaming, Kubernetes for containerized data workloads orchestration, and Apache Solr for distributed text search and indexing. Developed real-time data ingestion and transformation pipelines using Kafka Connect and Schema Registry. Optimized Kafka on Kubernetes by tuning partitions, replication factors, and broker configurations. Implemented observability and monitoring by Prometheus/Grafana. 
  • Enterprise Data Warehouse Migration and Optimization: Led Oracle Exadata to Greenplum cluster migration, rearchitected data models and optimized storage for high-performance queries. Implemented RabbitMQ with Debezium for real-time change data capture (CDC) and streaming. Implemented VectorDB for Generative AI and large language models (LLMs) for advanced search and retrieval of data.
  • Cloud Migration Proof of Concept: Designed and executed multi-cloud migration PoC, assessing AWS, Azure, and GCP for compatibility with enterprise data and analytics workloads. Defined success KPIs (e.g., data transfer throughput, query latency, storage performance, operational cost efficiency, and scalability benchmarks) to objectively assess each platform. Executed end-to-end data migration tests including bulk data transfer. Validated analytics and streaming/real-time processing for performance and integration with existing pipelines. Delivered architecture recommendations for fullscale adoption, multi-cloud integration patterns and data lake/data warehousing layer strategies.
  • Data Platform Modernization and Advisory: Assessed legacy on-premises data infrastructure and designed modern, cloud-native data platforms using Greenplum MPP DWH and containerized microservices (Kubernetes). Advised on scalability, disaster recovery, and high-availability architectures.
Greenplum Apache Kafka Kubernetes Apache Solr Oracle Exadata RabbitMQ Debezium vector databases (LLM/AI) dbt Airflow AWS Azure GCP Kafka
VMware Inc.
Berlin
7 Monate
2020-08 - 2021-02

Data Architecture, Data Warenhause and Data Engineering

Lead Data Architect (freelance) AWS AWS Glue Amazon Redshift ...
Lead Data Architect (freelance)
Architected and implemented AWS based data warehouse, integrated real-time data streaming with Apache Kafka and AWS Aurora (PostgreSQL). Designed and implemented ETL pipelines using AWS Glue, Spark, and PySpark. Created data lake and data warehouse with Amazon Redshift/Spectrum and AWS S3. Created master data management and data dictionary using AWS Glue Catalog. Implemented data governance policies, security protocols, and access controls.
AWS AWS Glue Amazon Redshift Amazon Aurora Amazon S3 Kafka Spark PySpark Python
Auto1 Group AG
Berlin
1 Jahr 2 Monate
2019-07 - 2020-08

Data Solutions and Analytics

Deputy Vice President Cloud data platforms (AWS Redshift/Snowflake) big data ETL tools (Spark/Python) data governance ...
Deputy Vice President
Led architecture and implementation of data solutions, analytics infrastructure, and cloud transformation programs. Designed data strategies for data platform optimization and led AI/ML adoption for BI and predictive analytics. Provided thought leadership in big data engineering and cloud migration projects.
  • Enterprise Data Transformation: Led modernization of on-premises legacy data platform to scalable, cloud-native architecture in AWS. Designed and set up high-volume and fault-tolerant ETL pipelines using AWS Glue, Lambda, Kinesis, and S3 for batch and real-time ingestion processing. Set up data lake architecture with partitioned storage and schema evolution to optimize query performance. Integrated Redshift and Athena for analytics. Optimized data availability and governance using Lake Formation, IAM policies, and data encryption.
  • Telecom External Data Monetization: Designed and implemented data monetization architecture for secure external data sharing with customers and partners. Designed data pipelines for ingestion, transformation, and segmentation of large telecom datasets using AWS Glue, EMR, and S3. Applied privacy-by-design principles like data anonymization, tokenization, and differential privacy techniques to achieve GDPR compliance. Developed segmentation and benchmarking frameworks for aggregated insights.
  • Centralized Data Warehouse: Architected and implemented enterprise data warehouse by consolidating several transactional, operational, and third-party data sources and databases into single platforms. Developed ETL/ELT pipelines using Azure Data Factory, Python and SQL for data ingestion and transformation. Optimized Snowflake storage and query performance by partitioning, clustering, and materialized views.
  • IoT Architecture and Predictive Analytics: Architect IoT analytics platform in the AWS to process large-volume realtime sensor data streams. Implemented and deployed ingestion pipelines using Apache Kafka to ingest and stream data into data lake on S3. Created scalable data transformation pipelines using Apache Spark with gap-filling techniques for irregular time-series data. Created rule-based predictive models in Python and SQL.
  • Data Governance, Security and Cloud Migration Strategy: Established and implemented enterprise data governance processes that ensured compliance with GDPR, CCPA, and ISO 27001 rules. Created data classification, lineage, cataloging, and retention policies. Led large-scale cloud migration projects, performing comparative assessments of AWS, Azure, and GCP.
  • Leadership and Customers Engagement: Provided strategic guidance to C-level leaders on data modernization and AI/ML analytics. Delivered technical workshops and executive briefings. Led cross-functional teams.
Cloud data platforms (AWS Redshift/Snowflake) big data ETL tools (Spark/Python) data governance Azure GCP AWS Redshift AWS Glue Snowflake Spark Kafka Python Data Governance
Evalueserve Inc
2 Jahre 4 Monate
2017-04 - 2019-07

Data Cloud Migration

Lead Data Architect and Data Engineer Apache Hadoop (HDFS/Hive) Teradata AWS ...
Lead Data Architect and Data Engineer
  • Led the migration of 40PB of data from Hadoop HDFS to AWS using AWS EMR, S3, Redshift and Snowflake to deliver zero-downtime execution with seamless data transformation and performance optimization.
  • Implemented cloud data lake with automated ETL pipelines using AWS Glue, Spark and Lambda.
  • Developed real-time data pipelines for structured and unstructured data.
  • Optimized Redshift and Snowflake performance by implementing WLM and advanced query optimization techniques.
  • Provided technical leadership and guidance to cross-functional teams, ensuring best practices in data architecture.
  • Worked in close collaboration with global teams in US and India to align data plans.
Apache Hadoop (HDFS/Hive) Teradata AWS S3 Redshift Spectrum Snowflake Glue Lambda Apache Spark IoT analytics Talend Data Vault 2.0 Hadoop HDFS
Siemens Energy
Berlin
5 Monate
2016-12 - 2017-04

Data Warehouse and BI Implementation

Senior Data Warehouse Architect PostgreSQL Talend ETL automation ...
Senior Data Warehouse Architect
Designed and implemented scalable data warehouse and self-service BI platform to support advanced analytics and reporting. Led ETL development and dimensional modeling, using PostgreSQL and Talend to automate data ingestion and transformation from multiple sources. Optimized the database schema and indexing, improving query performance and BI report generation time. Developed and automated data quality and validation workflows.
PostgreSQL Talend ETL automation data warehousing business intelligence Tableau
Esty Inc.
Berlin
1 Jahr 4 Monate
2015-09 - 2016-12

Cloud-based backup and disaster recovery solutions

Data Engineering Team Manager Data warehousing & BI database consolidation Amazon S3/Glacier (backup & DR)
Data Engineering Team Manager
Led data engineering and infrastructure projects, delivering centralized data warehouse and BI platform, consolidating databases, and executing secure migrations to partner data centers. Implemented technical standards and deployed cloud-based backup and disaster recovery on Amazon S3/Glacier to improve scalability and resilience.
Data warehousing & BI database consolidation Amazon S3/Glacier (backup & DR)
Nexon Europe GmbH
Berlin
2 Jahre
2013-10 - 2015-09

Development of Business Intelligence based on Redshift and Tableau

Lead DBA and Senior Systems Engineer Oracle SQL Server MySQL ...
Lead DBA and Senior Systems Engineer
Managed 100+ high-transaction databases (Oracle, MSSQL, PostgreSQL) for online gaming, optimizing performance, backups, and AWS RDS integration to cut costs and improve query speeds. Developed BI on Redshift and Tableau. Ensured high availability via PostgreSQL clustering and SQL Server virtualization.
Oracle SQL Server MySQL Pentaho Amazon Redshift Tableau database virtualization
Aeria Games GmbH
Berlin, Germany
1 Jahr 7 Monate
2012-04 - 2013-10

automated backup and recovery processes

Senior DBA, Systems Engineer Oracle RAC Oracle ASM Microsoft SQL Server ...
Senior DBA, Systems Engineer
Led high availability OLAP/OLTP databases operations for real-time betting, migrated core systems to SQL Server 2008, reengineered ETL workflows, and implemented real-time replication to reduce latency and boost responsiveness. Developed automated backup and recovery, enforced GDPR/PCI-DSS compliance, and optimized mission-critical systems for availability and performance.
Oracle RAC Oracle ASM Microsoft SQL Server MySQL Cluster data replication data security
William Hill Plc.
Tel Aviv
1 Jahr 2 Monate
2011-03 - 2012-04

Development of IaaS cloud management software

Technical Project Lead and Oracle Expert Oracle Oracle Streams Oracle LogMiner ...
Technical Project Lead and Oracle Expert
Supported development of IaaS cloud management software, designed robust database architectures and implemented cross-platform replication with Oracle Streams and LogMiner. Automated deployments, optimized performance, scalability, and supported sales with technical demos and architecture consultations.
Oracle Oracle Streams Oracle LogMiner database replication automation scripting
Zimory GmbH
Berlin
5 Jahre
2006-04 - 2011-03

business-critical Oracle databases

Lead Oracle DBA and Systems Engineer Oracle Database (RAC/ASM/Data Guard) ETL optimization high-availability architecture
Lead Oracle DBA and Systems Engineer
Managed 24/7 mission-critical Oracle databases, driving high availability, performance tuning, and disaster recovery through RAC, ASM, Data Guard, and workload optimization. Consolidated databases, automated data integration and backups, enforced SOX compliant security, and provided technical leadership to DBA teams.
Oracle Database (RAC/ASM/Data Guard) ETL optimization high-availability architecture
Vodafone Group Plc.
Budapest
3 Jahre
2003-05 - 2006-04

Telecommunications billing systems

Senior Oracle DBA, Senior Subject Matter Expert Oracle Database PL/SQL ETL processes ...
Senior Oracle DBA, Senior Subject Matter Expert
Led mission-critical Oracle database operations supporting telecom billing systems, achieving 99.99% uptime through advanced performance tuning, and disaster recovery strategies. Enhanced data processing efficiency with PL/SQL and ETL workflows, improved query performance through architectural optimization.
Oracle Database PL/SQL ETL processes Unix telecom billing systems
Amdocs Inc.
Tel Aviv
3 Jahre
2000-06 - 2003-05

Oracle DBA

Oracle Database backup & recovery performance tuning ...
Managed enterprise Oracle databases with a focus on high availability, performance, and security, including seamless migrations and robust backup/recovery strategies.
Oracle Database backup & recovery performance tuning automation (shell scripting)
ACS Ltd
Tel Aviv

Aus- und Weiterbildung

Aus- und Weiterbildung

2006 - 2010
B.Sc. in Computer Science
University of Hertfordshire

1997 - 2000
Engineer in Software Engineering
Technological College of Beer-Sheva

Certifications
  • Oracle Certified Professional (OCP) - Oracle University
  • Microsoft SQL Server Administrator (MOC 10775) - TÜV Rheinland

Position

Position

  • Senior Data Solutions and Analytics Expert
  • Data Architect
  • Data Engineer

Kompetenzen

Kompetenzen

Top-Skills

Datenarchitektur Data Engineer Solution Architect Data Modeling Datenbankadministration Datenbankentwicklung AWS amazon Redshift Greenplum Database Oracle MS SQL Server PostgreSQL Kubernetes Kafka RabbitMQ Presales Präsentation

Produkte / Standards / Erfahrungen / Methoden

Data Architecture
Experte
Data Modelling
Experte
Data Warehouse
Experte
Data Strategy
Experte
Data Governance
Experte
Data Engineering
Experte

Profile Summary

  • Senior Data Architect and Data Engineer with over 25 years of experience in designing and delivering large-scale data architectures and strategies, analytics solutions, cloud transformations and migrations. 
  • Extensive hands-on experience in architecting and implementing large-scale data platforms in cloud and on-premises. 
  • Strong proficiency in data architecture: Data Warehouse, Operational Data Store, Data Lake, Lakehouse, Data Mesh. 
  • Deep expertise in data modelling: Relational, Dimensional (Star, Snowflake, Galaxy), Data Vault, Data Marts, 3NF. 
  • Extensive experience with Massively Parallel Processing (MPP) and Distributed Data systems. 
  • Significant knowledge and experience with Data-as-a-Service (SaaS/DaaS), AI/ML analytics and Business Intelligence. 
  • High proficiency in designing and implementing high-performance ETL/ELT and streaming data pipelines. 
  • Strong background in Data Governance, Data Lineage, Data Quality and Data Security. 
  • Expert in optimization and administration of high volume OLTP/OLAP databases in mission-critical 24x7 environments, improving performance, scalability, and high availability.

Core Technical Skills

  • Cloud and Infrastructure
    • AWS, Azure, GCP, VMware vSphere, Kubernetes
  • Data Platforms
    • Snowflake, Azure Synapse, Microsoft Fabric, Databricks, Amazon Redshift, Greenplum
  • Big Data and Processing
    • Apache Spark, Hadoop (HDFS, Hive), AWS EMR
  • Streaming and Integration
    • Airflow, DBT, Kafka, AWS Kinesis, Debezium, RabbitMQ, AWS Glue, Pentaho, Talend, ADF
  • Programming and Scripting
    • Python, PySpark, Java, Perl, PowerShell, Unix Shell, SQL, PL/SQL, PL/pgSQL
  • Databases
    • Oracle, Oracle RAC, PostgreSQL, MS SQL Server, MySQL, AWS RDS, Azure SQL
  • Operating Systems
    • Unix (HP-UX, Solaris, AIX), Linux (RHEL, Debian, Ubuntu), Windows Server
  • DevOps and Methodologies
    • CI/CD, Docker, Helm, Terraform, Ansible, Agile/Scrum, ITIL Fundamentals

Personal Skills
  • Problem-Solving and Analytical Thinking - Strong ability to troubleshoot complex issues efficiently.
  • Customer-Focused Approach - Service-oriented mindset with experience in client-facing roles.
  • Quick Learner and Adaptability - Rapidly adapts to new technologies, tools, and business domains.
  • Independent and Proactive - Self-motivated with a strong ability to work autonomously.
  • Team Collaboration and Leadership - Effective team player with experience leading cross-functional teams.
  • Strong Communication Skills - Clear in technical and non-technical discussions, fluent in English and German.

Betriebssysteme

AIX
EMR
Lambda
Linux
RHEL, Debian, Ubuntu
S3
Unix
HP, Solaris, AIX
Windows Server

Programmiersprachen

Agile/Scrum
ANTLR
Bash Shell
C Shell
J2EE
Java
Perl
PL/SQL
PowerShell
Python
Unix Shell
SQL/T-SQL
PySpark
CI/CD

Datenbanken

Amazon
Aurora, Redshift
Amazon Aurora
amazon Redshift
Athena
RDS/Aurora
Data Architecture
Data Modeling
data modelling
Data Warehouse
ETL
MariaDB
Microsoft SQL Server
MySQL
MySQLCluster
Oracle
PostgreSQL
AWS Aurora/RDS
AWS Redshift
SSRS
Snowflake
Greenplum

Berechnung / Simulation / Versuch / Validierung

IT Architecture
ITIL Fundamentals

Branchen

Branchen

  • Software development company
  • IT Services
  • Telecommunications
  • Financial industry

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