Senior Cloud & Big Data Operations Specialist
Aktualisiert am 23.04.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 23.04.2026
Verfügbar zu: 100%
davon vor Ort: 60%
AWS
Azure
Kubernetes
kustomize
Terraform
Ansible
GitLab
CI/CD
Hadoop
Hive
Databricks
Apache Nifi
Prometheus
Grafana
Oracle
Python
SQL
PL/SQL
Linux
Docker
Bourne-again-shell
Scrum
French
native
German
fluent
English
fluent
Spanish
working proficiency

Einsatzorte

Einsatzorte

Frankfurt am Main (+50km)
Deutschland
möglich

Projekte

Projekte

3 Jahre 3 Monate
2022-10 - 2025-12

Operation of Azure production environments

Cloud & Big Data Operations Specialist (Azure)
Cloud & Big Data Operations Specialist (Azure)
  • Operated Azure production environments including Databricks and Azure DevOps pipelines
  • Developed Python-based REST APIs for Databricks data catalog and user access management using Azure Functions
  • Led migration of Hadoop clusters from Hortonworks to Cloudera
Telefónica Germany
2 Jahre 9 Monate
2020-01 - 2022-09

AWS production environments

AWS Cloud & Big Data Operations Specialist
AWS Cloud & Big Data Operations Specialist
  • Managed AWS production environments (EC2, EKS, RDS, S3, SQS, Redshift)
  • Built Infrastructure-as-Code (IaC) pipelines using Terraform
  • Operated and maintained AWS EKS clusters running data ingestion services and internal tools (Jira, Confluence)
  • Developed Java CLI tools for Hadoop user management and Hive access management
  • Designed and implemented Python-based REST APIs for Hive data catalog
Telefónica Germany
2 Jahre 2 Monate
2017-11 - 2019-12

Hortonworks-based Hadoop clusters

Big Data Operations Specialist
Big Data Operations Specialist
  • Operated and maintained Hortonworks-based Hadoop clusters
  • Monitored and troubleshot Spark and Hive ETL pipelines, implementing production hotfixes
  • Designed GitLab CI/CD pipelines for automated deployments of ETL jobs
  • Maintained Ansible playbooks for automated software and configuration deployment on Linux
  • Containerized Apache NiFi using Docker
  • Designed and operated NiFi-based data ingestion pipelines for structured and semi-structured data
  • Implemented monitoring and alerting framework for NiFi using Prometheus and Grafana
Telefónica Germany
1 Jahr 2 Monate
2016-09 - 2017-10

Operational requirements for new ETL processes

Oracle Data Warehouse Operations Specialist
Oracle Data Warehouse Operations Specialist
  • Defined operational requirements for new ETL processes
  • Managed production deployments and job scheduling
  • Handled incidents and ensured data consistency
Telefónica Germany
4 Jahre 9 Monate
2011-12 - 2016-08

CDRator Platform (OCS)

Operations Specialist
Operations Specialist
  • Operational responsibility for prepaid rating and billing platform
  • Managed system upgrades and monitoring services
  • Prepared financial and revenue assurance reports
Telefónica Germany

Position

Position

Senior Cloud & Big Data Operations Specialist

Kompetenzen

Kompetenzen

Top-Skills

AWS Azure Kubernetes kustomize Terraform Ansible GitLab CI/CD Hadoop Hive Databricks Apache Nifi Prometheus Grafana Oracle Python SQL PL/SQL Linux Docker Bourne-again-shell Scrum

Schwerpunkte

  • AWS 
  • Azure 
  • Hadoop 
  • Databricks 
  • Terraform 
  • Kubernetes

Produkte / Standards / Erfahrungen / Methoden

Profile
Senior IT Operations and DevOps Engineer with over 20 years of experience across enterprise systems, telecom platforms and large-scale Big Data environments. Specialized in operating, automating and scaling distributed data platforms across AWS and Microsoft Azure. Strong expertise in Hadoop ecosystems (Hortonworks, Cloudera), Databricks, Infrastructure-as-Code, Kubernetes and cloud-native architectures. Combines deep technical execution with experience in requirement engineering, vendor management and Agile delivery models.

Core Expertise
  • Cloud Platform Operations (AWS & Azure)
  • Big Data Platform Engineering (Hadoop, Hive, Databricks)
  • Infrastructure-as-Code (Terraform, Ansible)
  • Kubernetes & Containerized Environments
  • Data Ingestion & ETL Operations (Spark, NiFi)
  • CI/CD & Deployment Automation
  • Monitoring & Observability (Prometheus, Grafana)
  • Data Governance & Access Management
  • Agile/ Scrum/ Kanban Collaboration

Technical Skills
  • Cloud Platforms
    • AWS 
      • VPC, EC2, EKS, S3, RDS, SQS, Redshift, VPC, Route 53
    • Microsoft Azure 
      • VNet, VMs, Blob, Azure Functions, Azure DevOps, Service Bus, PostgreSQL
  • Big Data & Data Platforms
    • Hadoop (Cloudera CDP)
    • Databricks
    • Hive
    • Oracle
    • Spark
    • NiFi
    • Cloudera Manager
    • Ranger
    • Knox
  • Infrastructure Automation & DevOps
    • Terraform
    • Ansible
    • Kubernetes
    • Kustomize
    • k9s
    • Docker
    • GitLab CI/CD
    • Azure DevOps
  • Monitoring & Observability
    • Prometheus
    • Grafana
  • Programming, OS
    • Python
    • Java
    • bash
    • Linux
    • Oracle PL/SQL
  • Methodologies
    • Agile
    • Scrum
    • Kanban

Earlier Career Positions
2009 ? 2011
Business Analyst ? Prepaid CRM & Billing
Telefónica Germany

2008 ? 2009
Analyst ? Online Charging Systems (OCS/NG-IN)
T-Mobile Germany

2005 ? 2008
Business Analyst & Vendor Management ? Prepaid CRM
Telefónica Germany

2002 ? 2005
System Analyst & Developer ? Point of Sale Application
Telefónica Germany

2000 ? 2002
Software Developer ? Oracle Financials
Telefónica Germany

1998 ? 2000
Software Developer ? Meta4 Mind ERP Meta4 France

Einsatzorte

Einsatzorte

Frankfurt am Main (+50km)
Deutschland
möglich

Projekte

Projekte

3 Jahre 3 Monate
2022-10 - 2025-12

Operation of Azure production environments

Cloud & Big Data Operations Specialist (Azure)
Cloud & Big Data Operations Specialist (Azure)
  • Operated Azure production environments including Databricks and Azure DevOps pipelines
  • Developed Python-based REST APIs for Databricks data catalog and user access management using Azure Functions
  • Led migration of Hadoop clusters from Hortonworks to Cloudera
Telefónica Germany
2 Jahre 9 Monate
2020-01 - 2022-09

AWS production environments

AWS Cloud & Big Data Operations Specialist
AWS Cloud & Big Data Operations Specialist
  • Managed AWS production environments (EC2, EKS, RDS, S3, SQS, Redshift)
  • Built Infrastructure-as-Code (IaC) pipelines using Terraform
  • Operated and maintained AWS EKS clusters running data ingestion services and internal tools (Jira, Confluence)
  • Developed Java CLI tools for Hadoop user management and Hive access management
  • Designed and implemented Python-based REST APIs for Hive data catalog
Telefónica Germany
2 Jahre 2 Monate
2017-11 - 2019-12

Hortonworks-based Hadoop clusters

Big Data Operations Specialist
Big Data Operations Specialist
  • Operated and maintained Hortonworks-based Hadoop clusters
  • Monitored and troubleshot Spark and Hive ETL pipelines, implementing production hotfixes
  • Designed GitLab CI/CD pipelines for automated deployments of ETL jobs
  • Maintained Ansible playbooks for automated software and configuration deployment on Linux
  • Containerized Apache NiFi using Docker
  • Designed and operated NiFi-based data ingestion pipelines for structured and semi-structured data
  • Implemented monitoring and alerting framework for NiFi using Prometheus and Grafana
Telefónica Germany
1 Jahr 2 Monate
2016-09 - 2017-10

Operational requirements for new ETL processes

Oracle Data Warehouse Operations Specialist
Oracle Data Warehouse Operations Specialist
  • Defined operational requirements for new ETL processes
  • Managed production deployments and job scheduling
  • Handled incidents and ensured data consistency
Telefónica Germany
4 Jahre 9 Monate
2011-12 - 2016-08

CDRator Platform (OCS)

Operations Specialist
Operations Specialist
  • Operational responsibility for prepaid rating and billing platform
  • Managed system upgrades and monitoring services
  • Prepared financial and revenue assurance reports
Telefónica Germany

Position

Position

Senior Cloud & Big Data Operations Specialist

Kompetenzen

Kompetenzen

Top-Skills

AWS Azure Kubernetes kustomize Terraform Ansible GitLab CI/CD Hadoop Hive Databricks Apache Nifi Prometheus Grafana Oracle Python SQL PL/SQL Linux Docker Bourne-again-shell Scrum

Schwerpunkte

  • AWS 
  • Azure 
  • Hadoop 
  • Databricks 
  • Terraform 
  • Kubernetes

Produkte / Standards / Erfahrungen / Methoden

Profile
Senior IT Operations and DevOps Engineer with over 20 years of experience across enterprise systems, telecom platforms and large-scale Big Data environments. Specialized in operating, automating and scaling distributed data platforms across AWS and Microsoft Azure. Strong expertise in Hadoop ecosystems (Hortonworks, Cloudera), Databricks, Infrastructure-as-Code, Kubernetes and cloud-native architectures. Combines deep technical execution with experience in requirement engineering, vendor management and Agile delivery models.

Core Expertise
  • Cloud Platform Operations (AWS & Azure)
  • Big Data Platform Engineering (Hadoop, Hive, Databricks)
  • Infrastructure-as-Code (Terraform, Ansible)
  • Kubernetes & Containerized Environments
  • Data Ingestion & ETL Operations (Spark, NiFi)
  • CI/CD & Deployment Automation
  • Monitoring & Observability (Prometheus, Grafana)
  • Data Governance & Access Management
  • Agile/ Scrum/ Kanban Collaboration

Technical Skills
  • Cloud Platforms
    • AWS 
      • VPC, EC2, EKS, S3, RDS, SQS, Redshift, VPC, Route 53
    • Microsoft Azure 
      • VNet, VMs, Blob, Azure Functions, Azure DevOps, Service Bus, PostgreSQL
  • Big Data & Data Platforms
    • Hadoop (Cloudera CDP)
    • Databricks
    • Hive
    • Oracle
    • Spark
    • NiFi
    • Cloudera Manager
    • Ranger
    • Knox
  • Infrastructure Automation & DevOps
    • Terraform
    • Ansible
    • Kubernetes
    • Kustomize
    • k9s
    • Docker
    • GitLab CI/CD
    • Azure DevOps
  • Monitoring & Observability
    • Prometheus
    • Grafana
  • Programming, OS
    • Python
    • Java
    • bash
    • Linux
    • Oracle PL/SQL
  • Methodologies
    • Agile
    • Scrum
    • Kanban

Earlier Career Positions
2009 ? 2011
Business Analyst ? Prepaid CRM & Billing
Telefónica Germany

2008 ? 2009
Analyst ? Online Charging Systems (OCS/NG-IN)
T-Mobile Germany

2005 ? 2008
Business Analyst & Vendor Management ? Prepaid CRM
Telefónica Germany

2002 ? 2005
System Analyst & Developer ? Point of Sale Application
Telefónica Germany

2000 ? 2002
Software Developer ? Oracle Financials
Telefónica Germany

1998 ? 2000
Software Developer ? Meta4 Mind ERP Meta4 France

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