GNSS Engineer

Application deadline
Mardi, octobre 1, 2019
Reference number
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You will have the opportunity to support the Navigation Office in the activities related to operation of GNSS POD and UTC realization.

Tasks and Activities
  • Support in the preparation of future missions, services and products related to multi GNSS based precise orbit determination and high accuracy services:
    • support in the preparation of project proposals
    • definition and development of processing strategies
    • support to definition and elaboration of external study activities
    • simulations and performance analysis
  • Development of new GNSS un-differenced observation models and related concepts for ambiguity resolution in order to achieve the highest possible accuracy for navigation and precise orbit determination solutions
  • Development of new algorithms and concepts related to GNSS based precise orbit determination and high-accuracy services including pure kinematic precise orbit determination for single satellites, formation flying satellites and satellite constellations in different orbital regimes
  • Software development and maintenance for GNSS based precise orbit determination and high accuracy services
  • Support to project operations and related data processing
  • Operation of GNSS POD
  • Operation of ESOCs UTC realisation
Skills and Experience

The following skills and experience are mandatory:

  • You have the relevant engineering university degrees in field, astronomy, mathematics or physics.
  • You have the skills to apply knowledge to develop solutions to technical (mathematical and dynamical) problems in cooperation with customers and other experts.
  • You are able to define, implement, validate and operate software which applies the above solutions (using e.g. Linux scripting languages, Fortran, C++, Matlab, Python).
  • You are able to provide your expertise in coordination and interaction with other service providers in the fields listed in the requirements.
  • You are able to work independently.
  • You have at least five years of demonstrated experience.
  • You have very good knowledge in GNSS observation modelling.
  • You have very good knowledge in GNSS navigation algorithms.
  • You have very good knowledge in GNSS based precise orbit determination.
  • You have very good knowledge on multi GNSS processing.
  • You have very good knowledge of the NAPEOS software.
  • You have good knowledge on GNSS receiver system calibration.
  • You have good knowledge on GNSS time synchronisation.

The following skills would be highly desirable:

  • You are familiar with the ESOC environment.
  • You are familiar and have demonstrated experience with Navigation tasks.
  • You have experience in dealing with external interfaces.
  • You have experience with Linux, network services and protocols, and system administration.
  • You are able to multi-task efficiently; working on multiple activities; multiple missions simultaneously.


Preference will be given to candidates eligible for an EU or national personal security clearance at the level of CONFIDENTIAL or above.

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