The Ground Segment Reference Facility M&O engineer will integrate the ESOC team and will need to provide the following service: Provide a compatibility testing facility (for compatibility with spacecraft and with control centre). Ensure full validation of the mission specific space to ground ICD by Radio Frequency Compatibility Tests, and of the ground segment subsystems in a representative scenario by end-to-end validation. Allow the testing of newly developed units delivered by industry in a representative environment. Allow the identification and solution of field problems in a test and reference environment and develop modifications to be made in the field. Provide a back-up facility for de-bugging problems during system integration. Accommodate software integration facilities from other units in ESOC (HSO-GIM, HSO-GIB) The Ground Segment Reference Facility M&O engineer will: Execute RF compatibility tests with the satellite Execute end-to-end system tests in GSRF Ensure GSRF electrical safety Install specialized hardware and software in GSRF, as required for testing Operate and maintain the GSRF facilities Maintain the operational configuration of the GSRF Perform GSRF preventive/corrective maintenance also from 3rd party (e.g. CCC, site services) in line with a maintenance plan to be established and maintained Configure and operate the GSRF for all required testing Maintain a GSRF “usage/availability” schedule Document test activities executed in the GSRF Ensure that the GSRF documentation is complete and up to date. Ensure that the GSRF configuration items records are kept up to date. The tools used for this is the ECDB and the applicable documentation management systems. Support to configuration control activities for the Test equipment tool and equipment stores. Support to populating/updating the ECDB database upon reception of items in ESOC. Ensure that the activities in the GSRF are properly documented and executed according to plans (Software Verification and Validation Plans for the Site Acceptance Tests). Organise regular meetings on M&O activities Ensure fulfilment of GSRF Security Requirements as expressed in AD6 Requirements: Data communication systems involving e.g. modulation, demodulation, PCM telemetry and telecommand, communication protocols (TCP/IP, SLE), coding techniques, data processing. TT&C systems and their interfaces ECSS and CCSDS standards and recommendations as references in RD1 to RD21 Test of TT&C Equipment. Ranging and Doppler measurement. RF and Fibre-optical components. Handling cryogenic component Degree or qualification(s) in engineering preferably Ground Station related Engineering Fluent in English