Administrative Assistant/ Secretary [26038]

HE Space is a successful international space company, specialised in providing managed services and human resources to the international space sector for over 40 years. We hire space experts all over Europe across the whole spectrum of space-related activities, from engineering to science, software development, operations, marketing, finance and administration. Our employees contribute towards a wide range of groundbreaking space programmes including Galileo and Copernicus, ExoMars, Iris2, ESA BASS, ESA GSPT, LISA Pathfinder, Euclid, the Ariane and Vega launchers as well as the International Space Station.

As part of a dynamic team at ESA/ECSAT, you will have the following responsibilities:

• Supporting the Line Managers and teams in the preparation and follow up of administrative, organisational and contractual matters.
• Planning/coordinating the commitments and meetings, organising calendar and keeping the Line Managers informed on all issues of concern; supervising the preparation of files for such meetings and any special subjects.
• Answering incoming calls and performing a pre-screening of these calls for direct connection with the Line Managers or for reply at a later time. Keeping organised records of these calls and checking closure and follow up.
• Analysing incoming mail - paper and e-mail - and presenting these data in an organised and prioritised manner. Ensuring that important and urgent mail reaches staff to ensure timely responses.
• Ensuring the diffusion of information for the Teams.
• Preparation of staff missions and travel arrangements.
• Coordinating actions with other secretaries of the Department/Division; Administrative support Coverage for other units when colleagues are on leave.
• Composing routine correspondence and keeping a filing system for incoming/outgoing mail. Generating documents and textual and graphics presentations.
• Check for correct authorisation, substantiating documentation and adherence to Agency rules and practice (ref. leave, mission, conference, authorisation with regards to Staff Rules and Regulations, as well as financial procedures).
• Administering and maintaining the office documentation systems. Setting up the folder structure, registration, filing and distribution of correspondence and other documentation processed.
• Follow up of teams’ actions.
• On personal initiative or on instructions, collecting information and documents necessary for the teams to take actions on given issues.
• Interfacing and providing support to teams on administrative matters related to use of the relevant systems.
• Coordination with Facility Management for local, on-site support (e.g. staff and contractors TUD/leaving/relocating).

You will have the following qualifications and relevant experience:

• High school education (or higher) is required;
• At least 2 years of Administrative assistant experience at executive level and in an international context;
• Strong knowledge of Microsoft365 and Teams;
• A good knowledge of the various ESA tools (i.a. MAS, ESA-P) is welcomed;
• Strong command of the English language. Knowledge of another European language is considered an asset;
• Knowledge of working methods in the space/telecommunications sector is considered an asset;
• It is important to note that this position requires a high level of confidentiality.

This job is located in Harwell, United Kingdom. If you think you have what it takes for this job, please send your CV (in English and in Word or PDF) to Adriana Camacho, by clicking on the button “Apply for this job” quoting job UK-HP-26038. Last apply date: 13/02/2026!

An exciting and dynamic international working environment awaits you! Inclusive and committed employer, our company works every day to combat all forms of discrimination and promote a respectful working environment. That's why, committed to gender diversity and overall inclusivity, we encourage all applications and profiles.