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Application & Cloud Architect

COSMOTE GLOBAL SOLUTIONS NV

Brussels, Brussels, Belgium Hybrid contract

Posted: December 4, 2025

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Job Description

COSMOTE Global Solutions, affiliated with the OTE Group of Companies, is a leading ICT Systems Integrator, providing innovative solutions and services in the realms of Cloud, Data Center operations, Cybersecurity, and more.

As an Application & Cloud Architect, you will play a pivotal role in designing and optimizing application architectures for cloud environments, ensuring seamless integration and robust performance to meet business objectives.

Key Responsibilities:

• Analysis of the integration of different information systems.
• Data analysis and data modelling.
• Coordination of the implementation of the technical architecture.
• Technical interface between the project leaders and the developers.
• Production of software architecture documents.
• Participation in technical working groups, progress meetings and meetings with the users.
• Assistance during relevant parts of testing, analysis, technical documentation, deployment, evaluation and reporting.
• Creating designs and blueprints of Cloud Architecture.
• Review of the architecture of existing systems to migrate of existing system in the cloud.
• Design and development of architecture components and building blocks using cloud components.


Requirements:
• Bachelor’s degree in Computer Science, Engineering, or a related field.
• At least 5 years of expertise in Java application design (front-end and back-end).
• Strong knowledge of architecture best practices and patterns.
• Solid experience with microservices and cloud architectures.
• Hands-on experience with WebLogic Server.
• Proficiency in Jira and Confluence for project collaboration.
• At least 5 years of expertise with modeling tools.
• Good knowledge of Enterprise Architecture principles.
• At least 5 years of expertise with Relational DBMS.
• Strong understanding of business process analysis.
• At least 5 years of expertise in interoperability technologies (web services, middleware, service bus, event-driven architecture).
• Ability to cope with fast changing technologies used in application architecture and design.
• Excellent interpersonal and communication skills
• Ability to participate in multi-lingual meetings, ease of communication. EN/FR
• Good redaction skills.
• Ability to give technical presentations.
• Ability to apply high quality standards.
• Ability to participate in multi-lingual meetings.
• Capability of integration in an international/multicultural.
• Capability of integration in an international/multicultural environment, rapid self-starting
• Capability and experience in working in team;
• Ability to participate in multilingual meetings; EN/FR
• Ability to work in multi-cultural environment, on multiple large projects;
• Excellent Team Player
• Ability to understand, speak and write EN/FR will be an advantage

Optional certifications:

• Certified DevSecOps Professional (CDP) certification.
• AWS Certified Solutions Architect.
• Microsoft Certified: Azure Solutions Architect Expert.
• Google Professional Cloud Architect.
• Certified Kubernetes Application Developer (CKAD

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