Senior Solution Architect - Cloud & Security

Sopra Steria; Katowice; On-site; PLN 201,000 - 246,000; Full time

Job summary

Sopra Steria is seeking a seasoned Solution Architect to join Apps Services on an international program in Katowice. The role requires EU citizenship and fluent English; you will lead architecture design and governance to ensure security, coherence, and alignment with client needs.

We expect deep experience in IT transformation, cloud and data architecture, and strong stakeholder collaboration across security, infrastructure, and business teams.

Qualifications

• 10 to 15 years of experience in complex IT transformation projects.
• Strong background in end-to-end architecture design (functional / technical).
• Regular practice in writing architecture documentation and facilitating workshops.
• Collaborations with security, infrastructure, business, data, and development teams.
• Participation in technical or performance audits.
• Application and technical architecture (multi-system, integration, patterns, APIs).
• Cloud architecture fundamentals + enterprise integration (Azure, AWS, GCP).
• Strong knowledge of IT/OT security standards, IAM, compliance, and data classification.
• Understanding of data architecture practices (data flows, data modeling, data quality).
• Architecture modelling (Archimate).
• Natural leadership and advisory posture.
• Excellent communication and ability to simplify complex topics.
• Analytical thinking, synthesis skills, and problem-solving mindset.
• Strong organizational and time management skills, with the ability to prioritize tasks and meet deadlines.
• Agile methodologies (Scrum, SAFe).
• Architecture best practices (TOGAF).
• EU citizenship.
• Fluent English: B2/C1.
• Being open to occasional business trips abroad and visits in our office in Katowice.

Responsibilities

• Design, coherence, and security of IT solutions implemented within transformation projects.
• Acts as a subject-matter expert, ensuring alignment between business needs, functional and technical constraints, architecture standards, and the overall IT strategy.
• Design the functional and technical architecture of solutions.
• Define architecture building blocks, patterns, and integration principles within the IT ecosystem.
• Ensure compliance with architecture, security, and infrastructure standards, as well as data and performance requirements.
• Formalize recommendations, support decision-making with the client, and document architectural decisions.
• Prepare, structure, and facilitate functional and technical workshops.
• Coordinate interactions between business teams, IT, security, infrastructure, and project teams.
• Ensure the global consistency of the architecture across all contributors (domains, experts, development teams).
• Master and apply project processes, particularly during architecture phases.
• Participate in or lead application audits (obsolescence, security, reliability).
• Integrate data classification and cybersecurity standards into all architectural decisions.
• Produce architecture deliverables.
• Monitor and regularly update architecture risks, assumptions, and decisions.
• Contribute to architecture governance: committees, reviews, steering committees.

Skills

Architecture design

Cloud architecture

TOGAF

Archimate

SAFe

Security standards

IAM

Data classification

Leadership

English (B2/C1)

Tools

Archimate modelling

TOGAF framework

Job description

Sopra Steria is seeking a seasoned Solution Architect to join Apps Services on an international program in Katowice. The role requires EU citizenship and fluent English; you will lead architecture design and governance to ensure security, coherence, and alignment with client needs.

We expect deep experience in IT transformation, cloud and data architecture, and strong stakeholder collaboration across security, infrastructure, and business teams.