IRIS2 Satcom Security & Accreditation Engineer

Deadline to apply: 30/03/2026

We are looking for an IRIS² Satcom Security & Accreditation Engineer to complete our consultants’ Workforce Management Service to support ESA’s Directorate of Connectivity and Secure Communications (CSC) at ESA’s premises, mainly ESTEC (Noordwijk, NL).    

CSC supports innovation in satellite telecommunications and the development of advanced applications using space-based systems. Through research, development, and industrial partnerships, CSC contributes to strengthening the European and Canadian satellite communications sectors.  

CSC also supports major public–private initiatives focused on the development of new satellite systems, validation of innovative services, and deployment of secure telecommunications capabilities. A growing portion of CSC activities involves third-party funded programmes, particularly within the Union Secure Connectivity Programme (IRIS²).  

The CTAS will provide support to CSC with a multidisciplinary, onsite team of specialists who deliver technical, management, engineering, and security expertise across the IRIS² and EuroQCI programmes. The service supports CSC by reinforcing programme management, procurement, system design, verification, validation, security, and governance activities, enabling ESA to execute its entrusted responsibilities from the European Commission.  

Through its work packages, CTAS personnel integrate directly into CSC project teams, ensuring day-to-day operational continuity, rigorous technical assessment, configuration and project control discipline, and support throughout all major ESA reviews and milestones. By deploying experts across spacecraft systems, ground segment development, telecommunications, quantum communications, security accreditation, and project governance, the service ensures CSC can efficiently manage complex, multi-partner programmes and maintain compliance with ESA, EC, and security requirements, ultimately strengthening Europe’s secure connectivity and communications capabilities.  

Please note, the successful candidate will be employed by ATG Europe (or one of its subsidiaries). Furthermore, upon selection, they will be subject to a general security screening performed by an external provider (further information will be provided at the interview stage). Candidates must have or be eligible to obtain Personal Security Clearance (PSC) up to ESA SECRET / EU SECRET.

The successful candidate will be tasked with, but not limited to:

• 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;

• 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);

• Preliminary Design Reviews (PDR);

• Critical Design Reviews (CDR);

• Qualification Reviews (QR);

• In-Orbit Validation Review (IOVR);

• Service Declaration (SD);

• Technical assessment of industrial deliverables;

• Preparation of review comments.

ATG is dedicated to diversity and inclusion and is an equal opportunity employer. Regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, handicap, or any other reason protected by relevant state or municipal legislation, we are pleased to consider all eligible candidates for employment.