Authentication System Engineer

Noordwijk, The Netherlands  |  OPEN POSITION

Noordwijk, The Netherlands

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Qascom is looking for an Authentication System Engineer to join our team in ESTEC, Noordwijk (NL), to contribute to engineering activities for the Galileo Satellite Navigation System, in collaboration with the European Space Agency (ESA).

As part of the Galileo Second Generation project, the candidate will be involved in defining the OS-A (Open Service Authentication) service concept and its realization, ensuring alignment between system requirements and architecture. The candidate will support the implementation of system segments and follow up on related procurements, including components such as the System Testbed, the Ground and Mission Centers. The work will also include managing data interfaces and modelling system behavior and data flows to ensure robust and secure performance.

This is an unique chance to contribute to the future of secure global navigation systems, working in a dynamic, international and innovative environment.

𝙒𝙝𝙖𝙩 𝙮𝙤𝙪’𝙡𝙡 𝙬𝙤𝙧𝙠 𝙤𝙣

  • OS-A service concept (CONOPS) and its future evolutions, including key management concepts.
  • OS-A system implementation (alignment amongst system requirements documents and architecture documents).
  • OS-A segment implementation (system flow-down to segments, and follow-up with the associated procurements, e.g. the STB, GCS, and GMS).
  • Interface management for the OS-A data-flows.
  • OS-A dataflow and system behaviour modelling.
  • Maintaining requirement traceability and design updates (DCNs) using DOORS.
  • Contributing to system, requirements, and interface engineering activities.
  • Participate in design and system-level reviews.
  • Development of GNSS signal processing algorithms and tools.
  • Prepare and present technical documentation to ESA, EUSPA, and industry stakeholders.

What do you need

  • Master’s degree in Telecommunication, Electronics or Aerospace Engineering.
  • 3/5+ years of experience in system engineering (requirements, design, validation, ECSS standards).
  • Expertise in requirements engineering (Elicitation, Specification, Validation & Verification, Supervision & Traceability, Design Change Notices…).
  • Experience with ground and/or space segment systems.
  • Eligibility for National Security Clearance.
  • Good knowledge of written and spoken English.

Desired Knowledge & Skills

  • Knowledge of interface engineering processes.
  • Knowledge of GNSS signal processing, services and standards (e.g., GALILEO/GPS ICD).
  • Prior contributions to ESA or European Commission projects will be a plus, is considerate a plus.
  • Involvement in Authentication activities and/or GNSS Authentication, is a plus.
  • Understanding of cryptography and its practical applications will be a plus.
  • Knowledge of software security principles and standards;
  • Knowledge of security risk assessment;
  • Strong logical and analytical skills;
  • Precision and attention to detail;
  • Teamworking.

Our Recruitment Process

We design our recruitment process to be structured, transparent, and aligned with technical excellence.

Each step is intended to evaluate not only your expertise, but also your potential to grow within complex and high-impact projects.

1. Application Submission

Submit your application through our official channels.

Please note that applications are accepted until the deadline specified in the relevant job posting. We encourage early submission.

2. CV Review

Our HR and technical teams perform a structured evaluation of your profile against the requirements of the role.

If your profile is not aligned with a current opening, it may be considered for future opportunities consistent with your background. Please note that, at this stage, we are unable to provide individual written feedback.

3. HR Introductory Call

Selected candidates are invited to an initial discussion with HR to review:

  • Role scope and project environment

  • Location and remote working model

  • Compensation structure and benefits

  • Mutual expectations

4. Technical Interview

The technical interview focuses on:

  • Depth of technical expertise

  • Analytical and problem-solving capabilities

  • Engineering mindset and methodological rigor

We assess both current competencies and long-term growth potential.

For specific roles, an additional technical session may be scheduled to explore advanced topics or domain-specific competencies.

5. Offer Stage

Successful candidates receive a formal offer presentation, including contractual details and onboarding roadmap.

All candidates who have completed a technical interview will receive feedback as soon as the position is closed. 

A Two-Way Evaluation

We view recruitment as a mutual alignment process, ensuring coherence in technical standards, professional ambitions, and long-term vision.

Application

Do you not match 100% of the requirements? Don’t hesitate to apply anyway sending your CV at the email address career@qascom.it