Office and HR Manager

We connect. Celestia.

We are an international, multi technology group focused on continuous innovation in spacecraft communications. We deliver technology products, systems and services to the space, defence, telecoms and satellite markets, investing in research and development to give our customers a true competitive edge. We are experts in RF Engineering, Ground Station Systems, Payload Simulation and Testing and IoT and offer a fully integrated Ground Station installation approach.

Global in reach, our multi-disciplined teams create smart responses to communications challenges using new ideas, new technologies and new ways of thinking. For over 25 years, our business has been synonymous with world-class innovation, quality and engineering excellence with a customer focus.


Celestia UK

Celestia UK is building the next generation of satellite communication antennas to bring very high data throughput between ground-based equipment and satellites. We are working with the European Space Agency and the UK Space Agency to develop a fully electronic scanning ground station, so no moving parts, that is capable of tracking and communicating simultaneously with multi satellites. 

The new applications of these antennas cut across numerous markets including rural broadband internet, airborne communications, autonomous transport, facilities automation, earth observation, remote healthcare and education.

We are part of the Celestia Technologies Group (CTG), an international technology group with an extensive research and development activity, that is delivering a portfolio of innovative technology solutions.  These solutions are used by our customers in the Aerospace, Defence, Telecommunications and Scientific markets.

We are an equal opportunity employer committed to building an inclusive welcoming work environment where everyone is happy, productive and able to maximise their individual potential.  This role is currently not open to candidates that require a permit to work in the UK.

Office and HR Manager

What will your job look like?

The role will involve providing exceptional support to the company covering both Office Management and Human Resources. Reporting to the CEO and working with a highly skilled and motivated team covering the full spectrum of human resources activities, you will also be responsible for the effective running of our offices in the UK, Spain and Portugal.


This position is evolutionary in a growing business, and the below description is indicative of the tasks required to be performed currently.

Office Management

  • General office administration and reception duties including, meet & greet, manage incoming calls & emails, schedule appointments and follow-up as necessary.
  • Facilitate office supplies and services, including external suppliers.
  • Arrange travels, meetings and related logistics.
  • Provide secretarial support to Senior Management
  • Work with local teams in UK, Spain and Portugal
  • Work with Director of Operations to ensure effective running of the office facilities and service agreements.

Human Resources

  • Be the point of contact for general staff enquires, new-starter onboarding, leavers and day to day personnel queries
  • Promote and help to develop company policies and robust protocols; ensuring all are understood and followed by staff.
  • Support all employees and promote a positive workplace environment.
  • HR database and documentation administrator; resignation letters, offers, contracts, annual leave request and reports etc
  • Identify future hiring needs and develop job descriptions and specifications across our different markets.
  • Support Celestia UK in legislative and administrative employment matters
  • Performance management
  • Training & Development


  • Organize social & team-building events throughout the year at the direction of CEO.
  • Assist with the planning and preparation of events – liaising with the internal Events and Marketing team
  • Organising recruitment events.
  • Work with local schools/businesses/charities to promote the company and grow brand awareness.
  • Attend events where required.
  • Source marketing materials and giveaways for internal and external events and promotions

    What are we looking for?

    • 5+ years of relevant experience and progressive responsibility in human resources, including at least 2 years in office administration (technology sector is a plus)
    • Extremely well organized and self-directed individual with sound technical skills, analytical ability, good judgment, and strong operational focus.
    • Competent using MS Excel, Word and Powerpoint
    • Experience of using online HR tools
    • Excellent attention to detail
    • Confident and clear communicator, both written and verbal with the ability to relate to people at all levels of the organisation
    • Fluency (both written and spoken) in English

    Who are you?

    • You have a proactive, steadfast and creative approach to get the job done
    • You are a networker, who likes to get results in collaboration with internal stakeholders.
    • You are a strong communicator who knows how to translate ideas and plans into actions
    • You are able to work autonomously

      If this is you, we welcome you to apply!

      What we offer

      • Generous annual leave - 25 days plus bank holidays
      • Employer pension contributions of 4%
      • Sick Pay
      • Opportunity for flexible working, to be agreed
      • Employee Assistance Programme
      • A fun and friendly working environment with company events throughout the year
      • An office that is easy to access by car and by public transport

      We have a flexible working model, which may include occasional travel to our international sites. We are an equal opportunity employer committed to building an inclusive welcoming work environment where everyone is happy, productive, and able to maximise their individual potential.

      Find out more about us at

      Information & procedure

      If case you would like to apply, please send in your application (motivation and resumé) via the Apply here button.

      This role is not open to applicants who require UK work permit or sponsorship.