COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.
CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.
Responsibilities:
- Design and implement ETL processes to extract, transform, and load structured, semi-structured, and unstructured data.
- Integrate data into downstream systems including applications, data warehouses, and data lake storage platforms
- Collaborate with data scientists, analysts, and other stakeholders to ensure data availability and usability
- Develop and maintain scalable data pipelines using tools like Python, Kafka, and REST/SOAP APIs
- Manage and optimize relational databases such as Sybase, Oracle, and PostgreSQL
- Automate schema versioning and migrations using Liquibase
- Build and maintain cloud-based data infrastructure on AWS and Azure
- Use Anaconda and Python for data manipulation, scripting, and analytics support
- Ensure data quality, consistency, and security across all environments
- Contribute to the strategy, development, and execution of enterprise-wide data initiatives
- Provide ongoing maintenance and support for the data analytics infrastructure
Requirements
- Master’s degree in Computer Science, Software Engineering, or a related field.
- Proficiency in English
- Expertise in REST/SOAP APIs, API Gateway, and Kafka.
- Experience with JSF, JBoss Seam, RichFaces frameworks.
- Proficient with Liquibase, SonarQube and GitHub/Nexus/AzureSEA
- Strong experience in CI/CD using Jenkins, Maven, AzureDevOps, Terraform, Ansible, Kurebernetes, Linux, HELM
- At least 7 years experience in provisioning of infrastructure on the cloud mainly AWS and Azure and experience in Terraform, Ansible, Kubernetes, Linux, HELM
- Database management experience with Sybase, Oracle, and PostgreSQL
- Strong analytical and problem-solving skills.
- Minimum 3 years of experience in Agility (SCRUM / Kanban)
- At least 3 years of experience with Anaconda and Python
- At least 5 years of experience in coordinating the 2nd level production support on an application supported by a team of minimum 20 IT people
Top Skills
What We Do
COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.
CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.
OTE Group:
OTE Group is the largest technology provider in Greece. It is one of the top three listed companies with respect to capitalization, in the Athens Stock Exchange. Deutsche Telekom holds 46.9% of OTE’s share capital and the Greek State holds 5.6%. Find More about OTE Group
Our Vision:
We digitize societies so that everyone can live and enjoy at the fullest all possibilities offered now while also building on them for a better tomorrow.
Our Mission:
• We bring the best communication services to our customers
• We connect people
• We entertain
• We help businesses grow.
• We are leaders, pioneers, pillar of the economy and society
• With passion, faith and commitment
• We constantly strive to become better on all fronts
• We have a positive impact on society and the environment
