IT Systems Architect - Warsaw

Location & Work Model

• Office location: Warsaw, Mokotów
• First 3 months: on-site work only (onboarding period)
• After onboarding: hybrid model (50% office / 50% remote)

Recruitment Process

• Stage 1: Technical interview with the Director

Project Description

The role is focused on the design and development of large-scale internal telecommunications and IT systems within an enterprise environment. The Architect will be responsible for High-Level Design (HLD), decomposition of complex systems, and the design of High Availability (HA) and Disaster Recovery (DR/Failover) solutions. The position also includes architecture of containerized and microservices-based environments as well as end-to-end technical coordination from design phase through implementation and production deployment.

Responsibilities

• Design High-Level Architecture (HLD) and system decomposition in accordance with enterprise architecture standards
• Design telecommunications and IT systems with focus 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

Requirements

• 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 Enterprise Architect and Visio
• Understanding of enterprise integration patterns (ESB), database 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)

Technology Stack & Tools

• Red Hat OpenShift
• Sparx Enterprise Architect
• Microsoft Visio
• Enterprise Service Bus
• Relational Database Management System
• Agile software development
• Waterfall model