IT Systems Architect

SquareOne is engaged in the design and development of large-scale internal telecommunications and IT systems within an enterprise environment.

• Minimum 4 years of experience in designing multi-layer IT systems with High Availability (HA) and Disaster Recovery (DR/Failover)
• Strong experience in IT system architecture design (HLD, system decomposition)
• Experience with containerized environments and microservices architecture
• Exposure to enterprise telecommunications or software development projects
• Familiarity with architecture and design tools such as Sparx Enterprise Architect and Microsoft Visio
• Understanding of enterprise integration patterns (ESB), relational database management systems (RDBMS), and Data Center architectures
• Strong communication and teamwork skills
• Proactive and independent working style
• Very good command of English (minimum B2, preferred C1)

• Design High-Level Architecture (HLD) and system decomposition in accordance with enterprise architecture standards
• Design telecommunications and IT systems focusing on performance, security, scalability, high availability, and resilience
• Develop architectural concepts, technical analyses, solution designs, and full system documentation
• Coordinate technical delivery of designed solutions from initial concept through implementation and deployment
• Ensure architectural consistency across distributed systems and integration layers
• Collaborate with development, infrastructure, and business teams in an Agile/Waterfall environment