Senior Assurance Engineer

North Atlantic Treaty Organization

Location:
Brussels, Belgium
Grade:
NATO Grade G17
Category:
Professional Staff
Posted Jun 15, 2026Apply by Jun 30, 2026 (3d left)

The Senior Assurance Engineer will ensure systems, services and products meet required quality, safety and reliability standards throughout their lifecycle. The role involves planning and conducting assurance activities, providing expert guidance, and collaborating with stakeholders to validate solutions aligned with operational needs.

Responsibilities

  • Ensure systems, services and products meet required quality, safety and reliability standards throughout their lifecycle.
  • Plan, organise and conduct formal reviews, assessments, assurance activities and acceptance testing across complex projects, products and services.
  • Identify non-compliance, risks, root causes and improvement opportunities, and report findings with recommended corrective actions.
  • Provide expert guidance on assurance processes, testing methods, tools, standards and best practices, including mentoring junior engineers.
  • Lead assurance planning and reporting, define assurance KPIs, maintain documentation and audit trails, and contribute to NATO and NCIA assurance strategy, policies and plans.
  • Collaborate with developers, system architects and stakeholders to analyse requirements, validate solutions and ensure alignment with operational and business needs.

Requirements

  • Bachelor’s degree at a nationally recognised/certified university in a related discipline with 3 years post-related experience, or exceptionally at least 10 years extensive and progressive expertise in duties related to the function of the post.
  • At least 3 years recent experience in planning and executing test, verification and validation activities in large complex projects.
  • At least 3 years recent experience with functional, non-functional and interoperability testing of systems and products in Windows-based environments.
  • Proven experience managing external stakeholders and co-workers during large complex projects, as well as managing a team of testers, quality or development engineers.
  • Ability to understand hardware and software system architectures and technical concepts such as DNS, NTP, email, databases, application architectures and inter-application communication protocols.
  • Advanced certification in test, verification and validation, such as ISTQB or a similar certification at test manager level.
  • Desirable: prior experience working in an international military and civilian environment, and knowledge of NATO responsibilities and organisation, including ACO and ACT.
  • Fluency in English, both written and spoken.

Skills

  • Test Planning
  • Verification Activities
  • Validation Activities
  • Functional Testing
  • Non-Functional Testing
  • Interoperability Testing
  • Windows Environments
  • Stakeholder Management
  • Team Management
  • Hardware System Architecture
  • Software System Architecture
  • DNS
  • NTP
  • Email systems
  • Database Systems
  • Application Architecture
  • Inter-Application Communication
  • ISTQB Certification
  • Test Manager Certification
  • Quality Assurance
  • Safety Compliance
  • Reliability Standards Compliance

Languages

English