Senior System Architect, Warsaw (On Site) – EU Public Institution

Senior System Architect, Warsaw (On Site) – EU Public Institution Job role: Senior System Architect. Language: English (C1). Location: Warsaw (On Site). DESCRIPTION: We are urgently seeking a Senior System Architect for a long-term project based in Warsaw. The ideal candidate will play a key role in designing and implementing large-scale enterprise systems, ensuring robust architecture, security, and scalability. This position requires strong technical expertise, hands-on experience with modern technologies, and the ability to lead architectural decisions in complex environments. The candidate must reside within 2 hours of Warsaw and be available for on-site work. Competencies: Proven experience as a key architect for at least two major software systems. Expert in system architecture and design for large-scale environments. Strong capacity planning and system security skills. Excellent knowledge of enterprise-level system design. Ability to work with diverse stakeholders and communicate complex technical concepts clearly. Proficient in UML and architectural modeling. Familiarity with software development methodologies (RUP, ISO12207, Agile/Scrum). Strong analytical and problem-solving skills. IT skills: Sparx Enterprise Architect, ARIS Architect (or equivalent). RUP, ISO12207, Agile/Scrum. Microservices architecture. .NET custom solutions. Kafka, SQL Server, Redis. OpenShift / Kubernetes. Azure DevOps. Microsoft Azure solutions. Databases, application servers, communication middleware, web servers. GIS services, directory services, Microsoft platform security. Business intelligence concepts, system integration, IDEs. Expert in UML. Large knowledge-based systems, enterprise-level integration. Language: English (C1). Location: Warsaw (On Site). Rate: 395-415€/day.