Senior IT Architect - Remote (Railway Systems, CI/CD)

Atos SE; Łódź; On-site; PLN 180,000 - 280,000; Part time

Job summary

Atos SE in Poland seeks an IT Architect to own the IT solution architecture for a railway sector client, from system analysis through documentation to CI/CD setup. This is a 100% remote, B2B contract role requiring strong collaboration with the client’s team to shape scalable IT solutions.

You will model architecture, ensure security compliance, and drive delivery quality across project phases using Sparx EA, Jira, and Azure DevOps, in a fast-paced, multi-stakeholder environment with Polish

Qualifications

• A minimum of 5 years of experience as an Architect.
• A minimum of 3 years in architectural supervision of IT project delivery across all phases.
• A minimum of 3 years conducting system analyses.
• A minimum of 2 years hands-on experience with Sparx Enterprise Architect.
• Knowledge of VMware vSphere, Microsoft Server, SQL Server, and .NET 10+.
• Proficiency in ArchiMate 3.1, UML 2.5.1 and BPMN 2.0.
• Knowledge of modern frontend, backend, UI/UX frameworks and database/integration solutions.
• Fluent Polish — spoken and written (C2).
• Nice to have: UML 2 Foundation certificate or higher.

Responsibilities

• Conducting system analyses and designing application, integration, and server architecture
• Creating and maintaining architecture documentation across business, data, application, and technical layers
• Ensuring architecture is compliant with TO BE processes and security requirements
• Modelling and documenting business processes and test scenarios
• Setting up repositories in TFS and configuring CI/CD pipelines
• Collaborating with the client using Sparx EA, Jira, and Azure DevOps

Skills

Polish language (C2)

Tools

Sparx Enterprise Architect

VMware vSphere

Microsoft Server

SQL Server

.NET 10+

ArchiMate 3.1

UML 2.5.1

BPMN 2.0

Job description

Atos SE in Poland seeks an IT Architect to own the IT solution architecture for a railway sector client, from system analysis through documentation to CI/CD setup. This is a 100% remote, B2B contract role requiring strong collaboration with the client’s team to shape scalable IT solutions.

You will model architecture, ensure security compliance, and drive delivery quality across project phases using Sparx EA, Jira, and Azure DevOps, in a fast-paced, multi-stakeholder environment with Polish