Integration Architect

Requisition ID:  10988


Welcome to ENGIE Belgium! Every day, we work together to develop efficient energy solutions to build a carbon neutral future! 


The business unit Marketing & Sales (M&S) plays an important role in the fast changing energy market. It offers tailor-made solutions for each customer, characterized by quality and close support and acts through commercial subsidiaries and partnerships with local operators.


M&S transformed its way of working towards a full agile model with autonomous squads, grouped in tribes. The objectives are to design, develop, test and deploy high quality systems in an integrated system landscape to manage the technical operation of these systems within the defined agreements with the customer & deliver frameworks to increase the autonomy of other (customer/business) squad


We are looking for an Integration Architect (F/M/X) with experience in event driven architecture, API led systems integration and more classical forms of data exchange that can support us in reaching these goals and define the needed governance with us.


Join our team and contribute to the seamless integration of our systems and applications, enabling us to achieve our business objectives efficiently and effectively.


WE OFFER YOU as Integration Architect


  • A technically challenging environment that continuously evolves in function of the expectations of our customers
  • An interest in developing yourself towards an architecture role
  • A competitive salary package, with numerous fringe benefits:
    • a fiscally optimized bonus plan
    • hospitalization for you and your family members & medical cost insurance
    • attractive pension plan
    • a company car or a green alternative via our mobility plan
    • a public transport subscription as our offices are less than 10 min away from the North station
  • A good work-life balance with 34 holidays and hybrid working (up to 2 days working from home) and possibility to work 4/5th
  • A welcome in  a dynamic and caring organization committed to wellbeing, inclusion and diversity. We have a gym on-site and offer a variety of activities under the ENGIE Body-Mind-Social Program which aims at improving the wellbeing of our employees


YOUR CHALLENGE as Integration Architect


  • Create and maintain integration architecture blueprints, patterns, frameworks and principles that facilitate the seamless flow of data and information across diverse systems, applications, and platforms.
  • Work closely with business stakeholders, solution architects, development teams, infrastructure teams and external partners to understand integration requirements, gather technical specifications, and design scalable and secure integration solutions.
  • Provide technical leadership: Act as a subject matter expert on integration technologies, frameworks, and industry best practices. Guide and mentor product squads in implementing effective integration patterns and standards.
  • Create a governance and make sure it is matching the needs of M&S Belux and understood by the integration analysts.
  • Evaluate continuously the integration landscape and make sure it evolves with the company needs.
  • Stay updated on emerging technologies: Keep abreast of the latest trends and advancements in integration technologies and tools. Evaluate their potential impact and recommend appropriate solutions to enhance integration capabilities.
  • Analyze business processes and requirements to identify integration points, data transformations, and workflow automation opportunities. Design and document integration solutions that align with business needs and technical constraints.
  • Develop and implement integration solutions using industry-standard integration technologies such as API management, ETL tools, messaging queues, and service-oriented architectures (SOA). Ensure data integrity, security, and reliability in all integration processes.
  • Create and execute test plans to validate the functionality, performance, and scalability of integration solutions. Identify and resolve any issues or defects, ensuring high-quality deliverables.
  • Investigate and resolve complex integration issues, including system failures, data discrepancies, and performance bottlenecks. Provide timely support and collaborate with cross-functional teams to address production issues.
  • Maintain comprehensive documentation of integration processes, architectures, and configurations. Generate reports, metrics, and performance indicators to measure the effectiveness and efficiency of integration solutions.


YOUR PROFILE as Integration Architect


  • You speak fluently English and you have an excellent level in French and/or Dutch.
  • Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
  • Proven experience (5 years) as a Technical Integration Architect or similar role, designing and implementing integration solutions.
  • In-depth knowledge of integration patterns, technologies, and standards, including but not limited to RESTful APIs, SOAP, JSON, XML, ESB, message queues, event streaming and data transformation techniques.
  • Strong expertise in integration technologies and tools such as IBM ACE, IBM Datapower, Kong API Management or similar platforms.
  • Hands-on experience with enterprise integration patterns, API management, and service-oriented architectures.
  • In dept understanding of microservice architectures.
  • Professional certifications in relevant integration technologies or frameworks (e.g., IBM Certified Integration Architect, Azure Certified Solutions Architect) would be a plus.
  • Solid understanding of cloud platforms and services such as AWS and Azure.
  • Solid understanding of security protocols and best practices for integration, including authentication, authorization, and encryption.
  • Solid understanding of data modeling in an organization.
  • Proficiency in programming languages such as Java and knowledge of spring framework.
  • Excellent analytical and problem-solving skills, with the ability to troubleshoot complex integration issues.
  • Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.
  • Proven ability to prioritize and manage multiple projects simultaneously in a fast-paced, deadline-driven environment.
  • You have a strong safety and environmental awareness. You always take responsibility for the health and safety of yourself and your colleagues!
  • This position might require occasional travelling in the European Business Area.




Engie Tower Brussels




Valerie Theys – 


We believe any recruitment decision should be a sustainable one , taken by both parties and in full transparency. Do not hesitate to reach out in case you have specific questions you want to get answered before applying.

Our application process:

  1. pre-screener in teams with the recruiter
  2. technical screening in teams 
  3. final on-site interview with manager and recruiter.





To become a leader of the carbon-neutral transition in Belgium, ENGIE masters all professions related to the energy sector: from energy production to consumption optimization, from research and innovation to the maintenance of the most complex installations, from engineering to the construction and implementation of projects. Our 7,000 employees in Belgium are building a better future for our planet.
A better future for all of us!

Business Unit:  GBU Flexible Gen & Retail
Division:  Global B2C Supply - B2C - One Supply (BE & NL)
Legal Entity:  ELECTRABEL
Contract Type:  Permanent
Job Type:  Full - Time
Professional Experience:  Skilled ( >3 experience <15 years)
Education Level:  Master's Degree