GNC/AOCS Engineer

Company Details

Expanding frontiers

DEIMOS Engenharia S.A. provides advanced design solutions and turnkey software systems for the Space industry. Based on a solid team of highly motivated and specialized engineers, the company is today a reference in the European Space sector. The company focuses on the design of systems for Space and the development and validation of operational software systems, in the areas of Global Satellite Navigation Systems (GNSS)

Technologies, Mission Analysis, System Engineering, Guidance, Navigation and Control (GNC), Attitude and Orbit Control Systems (AOCS), Ground Segment Systems, On-board Software Systems and Information Systems. DEIMOS is selecting one Engineer to be integrated in the GNC/AOCS Competence Center of the Flight Systems Directorate, to support new growth areas in Guidance, Navigation, and Control (GNC), and in Attitude and Orbit Control Systems (AOCS). The work of the GNC/AOCS Competence Centre is oriented to the design, development, specification and validation of GNC and AOCS systems, for a broad range of aerospace and aeronautical platforms.

As a matter of reference, DEIMOS’ activities cover:

  • Satellite formation flying, rendezvous, and active debris removal (ADR)
  • Entry, descent, and landing on planets (Earth, Mars) & natural satellites
  • Launch vehicles
  • Planetary exploration and observation and interplanetary Navigation
  • Unmanned autonomous vehicles (UAVs, UGVs
  •  Earth Observation (EO) satellites (e.g., DEIMOS-1, DEIMOS-2)


The following responsibilities are envisioned, to be progressively planned and allocated to the candidate:

  • Specification, design, implementation, and validation of GNC/AOCS algorithms, to be applied to
    satellites, launchers, and re-entry vehicles, among others , at the different phases of missions
  • Specification and procurement of sensors and actuators for GNC /AOCS


  • Required- A recognized engineering degree (Mechanical, Aerospace, Electrical, Electronic) or
    a related degree (e.g.: Physics, Mathematics).
  • Desired – Postgraduate studies (MSc or PhD) with a focus on aeronautical / aerospace
    engineering and providing a solid background in at least two of the following:
  • Orbital mechanics (including relative dynamics)
  • Classical and modern control techniques
  • Navigation techniques

Professional Experience:

  • Required : No porfessional experience required
  • Desired: Engineer with at least 3 years of experience in the pratical application of the
    domains relevant to the post (Relevant MSc & PhD studies would also be considered).

The position will be tailored to the level of experience and additional industrial experience
would be viewed very positively.

Technical Requirements:

The following capabilities are required for the post:

  • Solid theoretical background in GNC/AEOCS
  • Good programming skills and experience with MATLAB and Simulink

The following capabilities are desired for the post:

  • Practical experience in aeronautical/aerospace GNC/AOCS solutions (experience in
    ESA/European programmes is welcome)
  • Background on multivariable robust control
  • Experience in multi-satellite missions and close proximity operations
  • Knowledge of GNC/AOCS at subsystem level (and not only algorithmic level)

Language skills:

  • High level of English, both spoken and written

Personal skills:

  • Capability to integrate in and work within a team
  • Self – initiative
  • Autonomy and self- development
  • Responsibility towards the costumer and the colleagues
  • Availability to travel and spend time collocated in the different DEIMOS branches


  • Salary according to the demonstrated knowledge and experience
  • Work in highly innovative projects with ESA (European Space Agency)
  • Hybrid work model – 50% presential in Lisbon offices and 50% remote

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Tagged as: ADR, Matlab, simulink, eimos-1, deimos-2

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