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Cosmote Global Solutions

Cosmote Global Solutions

www.cosmote-gs.com

7 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 background Company brand
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.
Brussels, Belgium
On site
Senior
22-12-2025
Company background Company brand
Company Name
Cosmote Global Solutions
Job Title
Service Manager - Hybrid Cloud Storage
Job Description
Job Title: Service Manager – Hybrid Cloud Storage Role Summary: Lead planning, delivery, and continuous improvement of hybrid cloud storage services, ensuring SLA compliance, optimal performance, and cost efficiency while partnering with cloud architects, infrastructure, and security teams. Expectations: Deliver high‑quality storage services that meet customer SLAs, drive service optimization, manage incident resolution, and maintain regulatory compliance; maintain clear documentation and proactive communication with stakeholders. Key Responsibilities: - Oversee service planning, delivery, and management of hybrid cloud storage solutions. - Develop and implement integration strategies for on‑premises and cloud storage, ensuring seamless hybrid environments. - Act as primary customer liaison, ensuring satisfaction and reliability. - Monitor performance, availability, and security; identify optimization opportunities. - Lead service performance, efficiency, and scalability improvements; preemptively address issues. - Manage incidents, disruptions, and problems; provide timely stakeholder communication. - Collaborate with cloud architects, infrastructure engineers, and security teams to align design, implementation, and maintenance with best practices. - Maintain comprehensive documentation of configurations, incidents, changes, and enhancements. - Produce regular performance reports and service reviews for senior management. - Ensure compliance with industry regulations, security standards, and policies. - Monitor and optimize costs related to hybrid cloud storage, balancing performance and cost efficiency. Required Skills: - 5+ years managing cloud storage, hybrid cloud, or IT infrastructure services. - Hands‑on experience with AWS, Azure, or Google Cloud storage platforms. - Proficiency in cloud service management tools (e.g., AWS Storage Gateway, Azure Storage, GCP Storage). - Strong project management, Agile/Scrum methodology experience. - Excellent communication and stakeholder engagement. - Understanding of data security, compliance (GDPR, HIPAA) in cloud environments. Required Education & Certifications: - Bachelor’s or Master’s Degree in Information Technology, Computer Science, or related field. - ITIL Foundation or equivalent Service Management certification preferred. - Cloud computing or storage certifications (e.g., AWS Certified Solutions Architect, Microsoft Certified: Azure Solutions Architect Expert) are a plus.
Brussels, Belgium
On site
Mid level
22-12-2025
Company background Company brand
Company Name
Cosmote Global Solutions
Job Title
Data Warehouse and Reporting Developer
Job Description
Job title: Data Warehouse and Reporting Developer Role Summary: Design, deploy, and govern enterprise data warehouse environments. Ensure data quality, security, and regulatory compliance (GDPR, AI Act), while delivering real‑time observability, lineage, and metadata management. Drive best‑practice adoption and cross‑functional training. Expectations: Deliver robust, scalable data architecture and governance frameworks. Maintain continuous data integrity and security, comply with evolving data protection and AI regulations, and foster a data‑driven culture through education and collaboration. Key Responsibilities: - Design and implement data quality and health monitoring processes. - Produce and maintain technical documentation. - Support deployment and configuration of data warehouse solutions. - Establish data governance policies, metrics, and monitoring systems. - Create and manage data lineage, observability dashboards, and alerts for anomalies and failures. - Build and oversee a comprehensive data catalogue/metadata repository. - Implement and enforce GDPR compliance, consent management, and data anonymization policies. - Design attribute/role‑based data access controls and audit logs. - Collaborate with IT security to enforce encryption and secure storage. - Define data logging standards and implement log management solutions. - Develop and disseminate data governance best‑practice guidelines, conduct trainings and workshops. - Integrate AI governance frameworks addressing ethics and fairness; maintain AI Act compliance. - Participate in risk management for Data & AI initiatives and cross‑team project meetings. Required Skills: - Deep expertise in data governance, quality, lineage, and metadata tools. - Strong knowledge of GDPR, data protection laws, and AI regulations (e.g., AI Act). - Extensive experience with data warehouse design, architecture, and optimization. - Proficiency in SQL, PostgreSQL, NoSQL, ETL, data modeling, OLAP, and data mining tools. - Familiarity with data security standards, encryption, access control, and logging. - Experience in real‑time data monitoring, dashboards, and alerting. - Excellent written and spoken English (C1). - Strong communication, interpersonal, and training abilities. Required Education & Certifications: - Bachelor’s degree in IT, Computer Science, or related field. - Minimum 15 years of IT experience, including 5+ years in data governance, data management, or related disciplines. - Relevant certifications in data governance, security, or big data tools are desirable.
Brussels, Belgium
Hybrid
Senior
07-01-2026
Company background Company brand
Company Name
Cosmote Global Solutions
Job Title
Expert in Secure Development
Job Description
Job Title: Expert in Secure Development Role Summary: Conduct in‑depth white‑box penetration testing on the AFIS application, identify and document security weaknesses, provide remediation guidance, and maintain traceability via ticketing systems. Expectations: Deliver comprehensive security assessment reports, achieve thorough coverage of OWASP testing categories, support remediation activities, and facilitate knowledge transfer to the AFIS team. Key Responsibilities: - Perform white‑box penetration tests on the AFIS application, leveraging full source code and privileged accounts. - Design and execute authenticated attack scenarios across predefined user roles, targeting privilege escalation and misuse of functionalities. - Apply PTES or equivalent methodology and OWASP Testing Checklist to ensure repeatable, complete testing. - Analyze vulnerabilities and exploitation paths; assess impact, likelihood, and relevance to AFIS security posture. - Document findings in a detailed PDF report, including technical description, risk severity, affected components, and remediation recommendations. - Register all defects in AFIS Ticketing (GitLab/Jira) with correct templates and severity classification. - Advise AFIS team on remediation, mitigation strategies, and secure alternatives for high‑risk issues. - Participate in review/clarification meetings with stakeholders to walk through findings and remediation plans. Required Skills: - 8+ years of offensive security testing on Web applications and infrastructure (Java, Linux, Oracle/Postgres). - Deep knowledge of PTES, OWASP Testing Guide, NIST SP 800‑115, NIST SP 800‑115, ISSAF. - Expert understanding of OWASP Top 10, OWASP ASVS, CWE, common vulnerability classes. - Proficiency with modern application architectures (web, API, client‑server, microservices), secure dev practices, and coding pitfalls. - Strong grasp of authentication/authorization models, RBAC, session management, token‑based auth. - Expertise in network protocols, TLS, encryption, certificates, secure comm patterns. - Ability to perform code‑assisted analysis, configuration review, dynamic and static analysis, and manual testing. - Advanced skills in exploit development, payload crafting, evasion techniques (white‑box context). - Proficiency with penetration testing tools: Burp Suite Pro, OWASP ZAP, Postman, Browser DevTools, source‑code review tools. - Experience tracking defects in GitLab/Jira; knowledge of AFIS architecture (Java, Spring Boot, React, Python). - Ability to create realistic attack chains and understand business logic security. - Language skills: French (C2) required; Dutch (B1) advantage. Required Education & Certifications: - Master’s Degree in IT or related field. - Offensive Security Certified Professional (OSCP).
Brussels, Belgium
Hybrid
Senior
12-01-2026