Telespazio Belgium can count on more than 45 years of experience in the field of Space Operations Service & Engineering activities.

We provide a significant contribution to the most major Space programs of the European Space Agency, EUSPA and other Telespazio Groups. Our core business is to work on the ground to build bridges into space, contributing to the success of ambitious missions.

The European Space Agency is our biggest client and we provide highly qualified employees to many sites of ESA but mainly for ESTEC in the Netherlands, and we provide a permanent contract with great benefits, a good salary, a relocation package along with genuine support to our employees.

Telespazio Belgium has an on‑site service at ESTEC in the Netherlands, and we are looking for a highly skilled Satcom Security Architecture Engineer to work there.

Candidates must be eligible for a security personal clearance from an EU Member State national security administration

What is expected from you:

• Provide Security Engineering support in relation to IRIS2 entrusted tasks related to security, in particular for 5G Stack protocols.
• Support at system and subsystem level
• Follow and review security architecture definition for space/ground assets involved in the provision of services relying on 5G stack protocols.
• Follow interface definition taking into account security aspects
• Follow accreditation activities of 5G protocol stack and propose trade-offs
• Support and guidance to the consortium in ad-hoc security certification aspects (CC, CDE, TEMPEST)
• Follow 3GPP standards security aspects and ensure compliance of the solution proposed with regards to security requirements

Activities may include:

• Requirements engineering and consolidation
• Functional and physical architecture definition
• Design trade-off analysis
• Interface definition
• Technical risk assessment
• Preparation of work items for 3GPP or other standardization bodies (ie NATO, STANAG)
• Industrial Milestone Reviews
• The candidate shall support ESA in the review of industrial contract technical milestones, including but not limited to:
• Preliminary Design Reviews (PDR)
• Critical Design Reviews (CDR)
• Qualification Reviews (QR)
• In-Orbit Validation Review (IOVR)
• Service Declaration (SD)
• This support shall include:
• Technical assessment of industrial deliverables
  
• Preparation of review comments

What we offer:

• A competitive salary
  
• 30 days of paid annual leave, plus the days ESTEC is closed including public holidays (~12 days) based on a 40-hour working week;
• Hybrid working scheme (3 days in the office and 2 days remote in the Netherlands)
• Flexible working hours; you are in charge of your own agenda respecting core working hours
• Fully paid collective extensive health insurance scheme;
• A good pension scheme with no personal contribution;
• A career development (Coursera membership + training budget);
• Travel allowance;
• Extensive relocation package

Where:

You will be working within ESTEC, the European Space Agency’s offices in the Netherlands as a contractor for Telespazio Belgium. We don’t expect the employees to be on-site full time however you will still have to relocate to the Netherlands for this position.

Check out the ESTEC site here: esa.int/About_Us/ESTEC

When

Deadline to apply: 15/04/2026

Please note that interviews will be held via Teams.

We look forward to receiving your application for this position!