Senior Architect

Sopra Steria offers tailored, end-to-end corporate technology and software solutions to help clients make bold choices and deliver results. Successfully so! With more than 56.000 colleagues in 30 countries, we rank as Europe’s leading digital solutions provider. Some of the most successful companies in Europe rely on our technology due to our commitment to innovation, collaboration, and value in business development.

The world is how we shape it. Let’s shape it together.

Sopra Steria BeLux is seeking a Senior IT Architect to design, govern and assure end-to-end solutions for EU agencies and directorates and the Belgian Federal Government within our ADS/EU portfolio (Aeroline, Defense & Security / European Union). The role spans enterprise, solution and technical architecture with strong emphasis on security, interoperability, compliance, and delivery governance aligned to Group standards. 

Key Responsibilities 

• Define target architectures, transition roadmaps, and integration patterns across hybrid/multi-cloud and on-prem environments using TOGAF/ArchiMate methods. 
• Lead Design Authority activities, architecture decision records, and ensure non-functional requirements coverage (security, resilience, performance). 
• Embed Security-by-Design and Privacy-by-Design principles, aligning with BeLux IS Policy, Group security processes and regulations (GDPR, NIS2, ISO 27001). 
• Apply EU architecture assets and interoperability frameworks (EIRA, eGovERA, CAMSS, IMAPS). 
• Drive architecture contributions to Solution Review, Deal Review and Contract Review, and support bid teams with reusable assets. 
• Produce architecture blueprints, integration views, threat models, and compliance matrices; leverage group templates and approved tooling. 
• Facilitate workshops with EU/BFG stakeholders, present solution options, and orchestrate multi-supplier/multi-country collaboration. 

Required Skills & Experience 

• 8+ years in Solution/Technical/Enterprise Architecture roles. 
• Expertise in TOGAF and ArchiMate frameworks. 
• Experience in security-sensitive public-sector environments. 
• Knowledge of GDPR, NIS2, ISO 27001 compliance. 
• Architecture across Azure/AWS/GCP, hybrid, container platforms. 
• Familiarity with DevSecOps and CI/CD governance. 
• Practical use of EU interoperability frameworks (EIRA/eGovERA). 
• Languages: fluent English; French and/or Dutch strongly preferred. 
• Certifications (Preferred): TOGAF (Foundation/Certified), ArchiMate , Cloud Architect certifications (Azure/AWS/GCP), ISO 27001 / Security certifications (CISSP, CCSP) 

Our employees are known for making bold choices and delivering results. Work among high-level professionals at the forefront of corporate software solutions and innovation at Europe’s Leading Digital Service Provider.

We offer a generous employee benefits package that includes:

• A variety of perks, such as mobility options (including a company car), insurance coverage, meal vouchers, eco-cheques, and more.
• Continuous learning opportunities through the Sopra Steria Academy to support your career development.
• The opportunity to connect with fellow Sopra Steria colleagues at various team events.

People are the cornerstone of our success. That’s why we aspire to be bolder together. Our goal is to build high-functioning teams and healthy team environments that inspire and help each other to deliver excellence for each of our customers.

Excited about this job opportunity? Ready to shape the world with us? Great! We are looking forward to your application!

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Sopra Steria is an equal opportunity employer. All qualified applicants will be considered for employment without regard to age, ancestry, nationality, color, family or medical leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, gender (including pregnancy), sexual orientation or any other characteristic protected by applicable local laws, regulations and ordinances. We foster a work environment that is inclusive and respectful of all differences.