Cosmote Global Solutions

8 Jobs

23 Employees

About the Company

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

Listed Jobs

Company Name: Cosmote Global Solutions
Job Title: Business Analyst
Job Description: Job title: Business Analyst Role Summary: Bridge business objectives with technology solutions by analyzing, documenting, and modeling requirements, business processes, and data flows, while providing strategic insights, risk assessments, and actionable business cases in a large, multinational environment. Expectations: - Demonstrate rapid self‑starting capability and high‑level presentation skills. - Apply critical thinking to evaluate alternative solutions and maintain high quality standards. - Operate with discretion, integrity, and strong interpersonal communication. - Engage effectively with business and technical audiences in multilingual, multicultural settings. - Participate in and contribute to multiple large projects simultaneously. Key Responsibilities: - Gather, analyze, and document detailed business requirements. - Model business processes, data structures, and use cases using BPMN, UML, ER diagrams, state diagrams, and interaction diagrams. - Develop business cases, vision documents, project charters, risk assessments, and security plans. - Leverage collaborative wikis and other knowledge‑sharing platforms to disseminate findings. - Support project planning and execution across diverse development methodologies (RUP, Agile, Prince2, PM2). - Deliver high‑level presentations to senior stakeholders and cross‑functional teams. Required Skills: - 15+ years of IT experience, including 5+ years in Business Analysis. - In‑depth knowledge of information systems, large‑organization administrative processes, and business modeling techniques. - Proficiency in BPMN, UML, and other modeling standards; ability to create use‑case, state, entity‑relationship, and interaction diagrams. - Familiarity with RUP, Agile, Prince2, and PM2; at least two related certifications. - Strong analytical, logical reasoning, and problem‑solving abilities. - Excellent written and verbal communication in English; French a plus; ability to conduct multilingual meetings. - Team‑player mindset with experience working in multicultural, international environments. Required Education & Certifications: - Bachelor’s degree in Information Technology, Business Administration, or a related field. - Minimum of two professional certifications relevant to Business Analysis or project management (e.g., CBAP, PMI‑PBA, Prince2, Agile Scrum Master, UML Professional).

Company Name: Cosmote Global Solutions
Job Title: Back-end Developer
Job Description: Job Title: Back‑end Developer Role Summary: Senior engineer responsible for building, deploying, and maintaining large‑scale back‑end web applications. Uses Vert.x, Kotlin, Java > 17, and Spring Boot WebFlux to deliver API‑driven microservices with robust security, data integrity, and performance. Leads architecture design, database modeling, and container orchestration while coordinating with front‑end developers and cross‑functional teams. Expectations: • Minimum 10 years in back‑end development with Vert.x, Kotlin, Java > 17, Spring Boot. • Minimum 6 years in microservices architecture, API‑driven development, AS4 integration. • Minimum 6 years in database technologies: MongoDB, PostgreSQL, Virtuoso Triple Store, OpenSearch. • Minimum 6 years in containerization & orchestration: Docker, Kubernetes. • Minimum 5 years in security: OpenID Connect, OAuth 2.0, TLS, Keycloak. • Minimum 6 years in security testing & dependency management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency‑Track, Maven. • Minimum 10 years using collaboration tools: JIRA, Confluence, Office 365, SharePoint. • English proficiency C2; strong communication; self‑starter; adaptable to change; experience in multicultural teams. Key Responsibilities: 1. Design, develop, and maintain high‑performance back‑end web services and APIs. 2. Integrate front‑end components with server‑side logic, ensuring seamless user experiences. 3. Implement core business logic and data‑access layers, using Hibernate and appropriate ORM tools. 4. Design and optimize database schemas for MongoDB, PostgreSQL, Virtuoso, and OpenSearch. 5. Enforce security and data‑protection standards across all layers. 6. Optimize applications for speed, scalability, and reliability. 7. Lead technical project activities, mentor peers, and steer architecture decisions. 8. Maintain code quality: version control, continuous integration, automated testing, and code reviews. 9. Troubleshoot, debug, and resolve production and development defects. 10. Author detailed technical documentation for system architecture, APIs, and deployment. Required Skills: - Programming: Vert.x, Kotlin, Java > 17, Spring Boot WebFlux, Hibernate. - Architecture: Microservices, API‑driven design, AS4. - Databases: MongoDB, PostgreSQL, Virtuoso, OpenSearch. - Containerization & Orchestration: Docker, Kubernetes. - Security: OpenID Connect, OAuth 2.0, TLS, Keycloak, SAST, DAST, Fortify, SonarQube, Sonatype, Dependency‑Track, Maven. - Collaboration: JIRA, Confluence, Office 365, SharePoint. - Soft skills: Strong communication in English (C2), teamwork, self‑motivation, adaptability. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or a related field. - Industry certifications in Java, Spring, Kubernetes, or security (optional but preferred).

Company Name: Cosmote Global Solutions
Job Title: AI/ NLP/ ML expert
Job Description: **Job Title** AI/NLP/ML Expert **Role Summary** Lead end‑to‑end development and deployment of AI solutions, focusing on Natural Language Processing, Machine Learning, and Generative AI. Architect scalable AI infrastructures, integrate advanced models into production systems, and collaborate with technical and business stakeholders to deliver AI‑powered services. **Expectations** - Minimum of 10 years IT experience, including at least 5 years in AI/ML development. - Proven ability to design and implement AI architectures on cloud platforms (AWS, Azure). - Demonstrated expertise in data engineering, MLOps, and modern DevOps practices. - Strong communication skills for presenting technical blueprints to non‑technical audiences. **Key Responsibilities** - Design, develop, train, and maintain AI applications (NLP, ML, generative models). - Build data pipelines, manage metadata and model versioning, and integrate relational & NoSQL databases. - Deploy AI services on cloud, ensuring scalability, security, and compliance. - Apply MLOps best practices: CI/CD, containerization (Docker, Kubernetes), automated testing, and monitoring. - Collaborate with product and business teams to gather requirements, present solution blueprints, and refine AI models. - Conduct ethical and legal assessments of AI systems in enterprise settings. - Mentor junior engineers and maintain documentation for AI components. **Required Skills** - Programming: Python (pandas, scikit‑learn, PyTorch, TensorFlow, Transformers, spaCy, NLTK). - AI/ML: Large Language Models, generative AI, RAG, agentic workflows (OpenAI, LangChain, CrewAI), function calling, MCP. - Data Engineering: ETL, data pipelines, metadata/model versioning, SQL/NoSQL (Elasticsearch, MongoDB, Cassandra, HBase). - Cloud: AWS, Azure – deployment, scaling, security of AI services. - DevOps: Git, CI/CD, Docker, Kubernetes, Linux, Unix/Bash scripting, Agile/Scrum. - NLP Lifecycle & Quality Assurance: MT evaluation (BLEU, human metrics), query languages (SQL, Hive, Pig). - Tools: MS Teams, IntelliJ, Jira, Enterprise Architect. **Required Education & Certifications** - Master’s degree in Computer Science, Data Science, AI, or related field. - Optional: AWS Certified Machine Learning, Microsoft Azure AI Engineer Associate, SAS Certified Professional AI & ML.

Company Name: Cosmote Global Solutions
Job Title: Service Contract Performance Manager
Job Description: **Job Title** Service Contract Performance Manager **Role Summary** Lead the oversight, monitoring, and optimization of multi‑vendor service contracts to ensure compliance with SLAs, quality standards, and business objectives. Act as the central point of coordination between procurement, legal, technical teams, and external service providers, driving continuous improvement in service delivery and cost efficiency. **Expectations** - Manage a portfolio of service contracts, ensuring on‑time, on‑budget delivery and adherence to negotiated terms. - Sustain high levels of stakeholder satisfaction through proactive risk identification, issue resolution, and contractual negotiations. - Provide actionable insights to senior leadership through regular KPI and SLA reporting. **Key Responsibilities** 1. **Contract Management** – Oversee performance, compliance, and timely renewal of multiple service contracts. 2. **Performance Monitoring** – Continuously track provider metrics, detect gaps, and enforce corrective actions. 3. **Reporting & Documentation** – Generate and present weekly/monthly SLA and KPI reports to senior management. 4. **Cross‑functional Collaboration** – Coordinate with Procurement, Legal, and Technical teams to align contract terms and service requirements. 5. **Negotiation & Renewal** – Lead contract renegotiations and extensions to secure favorable terms and maintain service continuity. 6. **Risk & Issue Management** – Identify, assess, and mitigate potential risks and conflicts impacting service delivery. 7. **Continuous Improvement** – Design and implement initiatives that enhance service quality, efficiency, and customer satisfaction. 8. **Vendor Relationship Management** – Foster strong, collaborative relationships with key vendors to drive performance and innovation. **Required Skills** - Deep knowledge of SLAs, KPIs, and contract performance metrics. - Proven contract negotiation, vendor management, and risk mitigation experience. - Familiarity with ITIL or comparable service management frameworks. - Strong analytical, problem‑solving, and project management capabilities. - Excellent written and verbal communication; interpersonal skills for stakeholder management. - Proficiency in MS Office and contract‑management or project‑management software. **Required Education & Certifications** - Bachelor’s or Master’s degree in Business Administration, Supply Chain Management, or a related field. - Minimum 7 years of service contract or vendor management experience in a technology or IT services environment. - Relevant certifications (e.g., ITIL Foundation, Certified Project Management Professional) are a plus.

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