Test Engineer

ITS Group Benelux; Brussel; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hospitalization insurance

Group insurance

Dental insurance

20 days statutory paid vacations

11 days recovery time

Job summary

ITS Group Benelux is seeking an Expert Test Engineer to design, implement, and operate a comprehensive testing strategy in a cloud-native environment built on APIs, microservices, DevOps, and zero trust principles.

The role is highly hands-on, requiring recent direct implementation experience and extensive test automation to ensure security, scalability, and performance across a large digital platform. The consultant will join Agile teams and contribute to a digital transformation program.

Qualifications

• 10+ years of experience as a Test Engineer.
• Higher education degree in Computer Science.
• Minimum 5 years hands-on experience within Agile delivery teams.

Responsibilities

• Define, maintain, and operationalize the testing strategy.
• Design Agile operational test plans for business and technical validation.
• Establish automated testing frameworks across testing layers.

Skills

Java SE 10+

Python

Soft skills

Education

Higher education degree in Computer Science

Tools

JMeter

Gatling

Maven

Grafana

Job description

Great assignments await you with our key account clients in rich and varied environments

We are looking for an Expert Test Engineer with a mandatory 10+ years of experience, capable of designing, implementing, and operating a comprehensive testing strategy within a modern cloud-native environment based on APIs, microservices, DevOps, CI/CD, observability, and Zero Trust principles.

The role is strongly hands-on. The selected consultant must have personally implemented and used the requested technologies during the last five years, rather than managed or delegated these activities to others. The objective is to ensure the quality, reliability, security, scalability, and performance of a large-scale digital platform through extensive test automation and continuous quality engineering.

The consultant will work within Agile delivery teams and contribute to the modernization of a strategic digital transformation program.

Your missions:

• Define, maintain, and operationalize the overall testing approach and testing strategy.
• Design and implement Agile operational test plans covering both business and technical validation.
• Establish and maintain automated testing frameworks across all testing layers.
• Ensure software quality, robustness, security, scalability, and performance.
• Validate business logic implemented within APIs and microservices.
• Integrate automated testing into CI/CD pipelines.
• Contribute to observability, monitoring, logging, and quality controls.
• Support Agile teams throughout the entire delivery lifecycle.
• Provide technical recommendations and propose alternative solutions when required.
• Promote Continuous Testing and Quality Engineering best practices.
• Actively contribute to sprint activities such as planning, refinement, reviews, retrospectives, and demonstrations.
• Continuously evaluate and adopt new tools, technologies, and testing practices.

Your activities:

• Develop and continuously improve the testing roadmap and test approach.
• Create and maintain Agile operational test plans.
• Define and execute quality assurance processes for the solution landscape.

Functional Testing

• Validate business processes implemented through APIs and microservices.
• Verify data integrity across the solution.
• Perform end-to-end testing of business and user journeys.

API Testing

• Validate OpenAPI contracts.
• Test API functionality, performance, security, and compatibility.
• Automate API testing to support continuous integration and delivery.
• Implement and maintain API testing frameworks and tooling.

Integration Testing

• Test interactions between microservices.
• Validate integrations with COTS products, external APIs, adapters, and third‑party systems.
• Simulate failure scenarios and resilience use cases.

Security Testing

• Validate authentication, authorization, and encryption mechanisms.
• Verify compliance with Zero Trust and secure architecture principles.

Performance Engineering

• Design and execute performance, stress, load, and scalability testing.
• Assess the behavior of APIs, microservices, and the overall platform under load.

Test Automation

• Design, build, and maintain automated regression, integration, API, UI, and E2E test suites.
• Integrate automated tests into CI/CD pipelines.
• Ensure rapid feedback within DevOps delivery processes.

Monitoring & Observability

• Contribute to monitoring, logging, and observability setup across development, test, and acceptance environments.
• Implement and maintain quality insights and operational monitoring dashboards.
• Work closely with developers, analysts, architects, and business stakeholders.
• Participate actively in all Agile ceremonies.
• Share knowledge, mentor team members, and promote engineering excellence.

You have the following skills:

MandatoryExperience

• 10+ years of experience as a Test Engineer.
• Higher education degree in Computer Science (short-cycle or university level).
• Minimum 5 years of hands‑on experience within Agile delivery teams.

Test Automation & Quality Engineering

• Test automation frameworks (5+ years).
• API testing frameworks and tools (5+ years).
• UI testing frameworks and tools (5+ years).
• End-to-End testing (5+ years).
• Regression testing (5+ years).
• Integration testing (5+ years).
• Contract testing (5+ years).
• Mocking and service virtualization (5+ years).

Performance Testing

• Performance, load and stress testing (5+ years).
• Ideally with JMeter and Gatling.

API & Microservices

• API testing and validation.
• Microservices testing.
• Integration testing within distributed environments.

Programming & Scripting

• Java SE 10+ (minimum 3 years).
• Python (5+ years).

CI/CD & DevOps

• CI/CD pipeline implementation (5+ years).
• Integration of automated tests in CI/CD pipelines (5+ years).
• Build tools experience (5+ years).
• Preferably Maven.

Monitoring & Observability

• Monitoring and observability implementation (5+ years).
• Preferably Grafana.

Databases

• SQL databases (minimum 3 years).

Soft Skills

• Strong analytical mindset.
• Ability to propose alternatives and recommendations.
• Excellent communication skills with technical and non-technical stakeholders.
• Team player.
• Positive hands‑on "can-do" mentality.

Languages

• English: professional proficiency.
• French or Dutch: professional proficiency.

Nice-to-Have

• API design and development.
• Microservices development and integration.
• Software architecture and design (Cloud, APIs, Microservices, Event-driven).
• Event-Driven Development.
• Behavior-Driven Development (BDD).
• Domain-Driven Design (DDD).
• Knowledge of existing federal‑government building blocks and services.
• Experience working in cloud-native environments.
• Understanding of secure-by-design and Zero Trust architectures.
• You have at least 10 years of professional experiences in IT
• If you are at least fluent in FR/ENG or NL/ENG it’s best
• You’re eager to learn, motivated and curious
• Let's have a chat !

Advantages

• Hospitalization insurance (partner/children incl.)
• Group insurance
• Dental insurance (partner/children included)
• 20 days statutory paid vacations (legal vacations cumulated for 1 year of work)
• 11 days recovery time work 38/40 per year (= annual average: 1 day per 20 days worked) if the client asks you to work 8h/day
• Representation fee net per month.
• Internet fee of € 40 per month.
• Company car with national fuel card OR Public transport reimbursed OR mobility package.
• Daily fee of 5.50€ net /day provided.
• Subscription GSM unlimited calls for Belgium (ITS subscription)
• Training plan (e-learning - certification at ITS charge)
• Being a rather small team in BE (6 in back-office), we’re very close to each of our consultants and we differentiate ourselves trying to really take care of you and make you grow with us and within our different clients.
• Regular follow-up (every 3 to 6months depending on your needs/will)
• Regular teambuilding to meet-up and have fun (every 3 months more or less)
• Flexibility and trust
• Benefits of still being part to a bigger group (ITS Group) and having access to resources and of a larger team of Experts
• Co-optation system because sharing is caring!
• 1st pre-screening on the phone to discuss about your search and conditions and our first potential opportunities matching.
• Job descriptions sent and Teams meeting fixed with us (HR and Sales) to dig into your experience and the role.
• Package proposal so we all agree beforehand.
• Your CV is sent to the different clients you’ve agreed to, to find the best mission for you!

Expérience> 10 ans

Fonction managériale :Non

Mobilité :Non

Mode de poste :Hybride (site/télétravail)

Salaire :Salary conform your experience & skills

Réf.VO0707

For more than 25 years, ITS Group has been a French ESN specializing in digital transformation, employing around 1,400 employees across 8 agencies in France and 1 in Belgium.

Our expertise: IT infrastructure & operations, cloud & managed services, mobility, workstations & networks, strategy, consulting & AMO, cybersecurity, development of business applications.

ITS Group places its CSR commitment at the heart of its concerns by developing sustainable and responsible digital technology and by promoting the professional and personal development of its employees.