Senior Engineer, IVV & SW O-RAN Integration, IRIS2

Senior Engineer, IVV & SW O-RAN Integration, IRIS2 The job responsibilities outlined in this document are not exhaustive and may evolve over time and be reviewed according to business needs. PROGRAMME DESCRIPTION IRIS² is the new European Union secure satellite communications constellation. This project is the European Union's answer to the pressing challenges of tomorrow to provide secure connectivity services and enhanced communication capacities to the EU and its Member States as well as to governmental users, private companies and European citizens while ensuring high-speed internet broadband to cope with connectivity dead zones. SES – together with other consortium partners and core members – was selected by European Commission to build and to operate the IRIS² multi-orbit satellite constellation. The IRIS² team enters the next project phase and there is a strong need for support for all the activities around service provisioning and products that the system can offer in the future. ROLE DESCRIPTION SUMMARY The IVV & SW O-RAN Integration Engineer (Feeder Link) is responsible for defining, integrating, validating, and verifying software and radio protocol functions supporting 5G NTN feeder link integration. The role focuses on O-RAN based integration activities, 5G radio protocol layers, end-to-end test strategy, and software validation across satellite, feeder link, ground gateway, and RAN lab environments. PRIMARY RESPONSIBILITIES / KEY RESULT AREAS General work requirements Define and execute IVV plans for feeder link related software integration, including test strategy, test cases, test procedures, acceptance criteria, and defect follow-up. Support integration of O-RAN based components and interfaces involved in the feeder link chain, including coordination with RAN, gateway, software, and system engineering teams. Validate 5G radio protocol behavior over NTN feeder link environments, with particular focus on PHY, MAC, RLC, PDCP, SDAP and RRC layers and their interaction with lower and upper layers. Prepare and execute functional, integration, regression, and end-to-end tests in lab and representative NTN environments, including troubleshooting and analysis of logs, traces, and KPIs. Contribute to technical requirements, RFPs, RFQs, supplier evaluations, and acceptance test definitions for feeder link and O-RAN software integration COMPETENCIES Ability to work with cross-discipline teams, including RAN experts, software developers, satellite engineers, gateway teams, IVV teams, procurement, and suppliers. Strong engineering discipline in documenting test results, integration status, open points, risks, defects, and supplier action plans. Communication skills, with the ability to explain complex integration or protocol issues to both technical and non-technical stakeholders. Excellent written and verbal communication skills, including the ability to write clear…