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Thales Belgium S.A VERIFIED EMPLOYER

Verification & Validation Engineer.

Quality Assurance & Testing Full-Time

Verification & Validation Engineer: our view in 3 lines...

  • The Role:This role is for an engineer who verifies and validates complex systems for defense and aerospace, with a focus on air traffic control and customer acceptance testing.
  • The Person:The person will write test cases, track corrective actions, carry out validation tests during FAT and SAT, document system modifications, report results, and support end users and engineering teams.
  • Requirements:The candidate needs a degree in Engineering, experience in verification and validation of complex systems, preparation and executing tests, good command of English, and availability to travel.

About the role

Location: Paço de Arcos - Q45, Portugal

For more than 35 years, Thales acts in Portugal for global Defense and Aerospace markets and promotes and delivers innovative solutions that enhance its customer’s critical systems´ security, on land, sea, air, space and cyberspace, through a technical team of excellence.

If you are interested in joining Thales in Portugal as a Verification & Validation Engineer this can be your opportunity!

Responsibilities:

  • Writing test cases to verify system requirements;
  • Tracking and validating the Problem Change Report (PCR) corrective actions, in coordination with various engineering disciplines and teams;
  • Carrying out validation tests, in coordination with customer representatives, during Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT) at the program’s relevant site;
  • Based on customer requirements, identify, specify, and document the system modifications needed to ensure compliance, supporting both architectural changes and leading system requirements;
  • Providing detail reporting of test results and briefing the Management Team and external Customer;
  • Liaise with project management and Design Authorities to ensure that all TopSky deployment work is completed within timelines and to standards;
  • Provide operational/functional support to end-users and internal engineering teams and resolving technical inquiries.

Requirements:

  • Degree in Engineering (e.g. Computer Science, Electronics, Telecommunications);
  • Experience in verification and validation of complex systems, preferably on the air traffic control domain;
  • Experience in preparation and executing tests: documentation, testing, problem analysis, defect reports, etc.;
  • Good command of English;
  • Availability to travel.

The Group invests more than €4 billion per year in Research & Development in key areas, particularly for critical environments, such as Artificial Intelligence, cybersecurity, quantum and cloud technologies.

In 2025, the Group generated sales of €22.1 billion.
For our more than 85,000 employees in 65 countries we open up visionary perspectives, realise individual career paths and enable creative freedom. This is achieved with courage, versatility and the firm intention to make the demanding challenges of our time safer and more inclusive. With our sustainable value-focused management we support diversity actively.

Say HI* – Your journey to us

At times of change our international teams are ready to meet the complexity of today with the industry-leading technologies of tomorrow. Will you be part of it? Your contact Tiago Vital is looking forward to your online application on our

Career Portal.

Tiago Vital – Talent Acquisition Partner

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*Human Intelligence

Published October 19, 2026
Location Paço de Arcos, United Kingdom
Job Type Full-Time