Spacecraft Engineering


As the industry leader and pioneer of mobile satellite communications, Inmarsat has been powering global connectivity for more than three decades.

We offer an unrivalled portfolio of global satcom solutions and value-added services to keep you connected at all times – whether travelling on land, at sea or in the air. No matter where your business takes you, you can rely on Inmarsat for all your mission-critical communications.

We ensure you’re never beyond reach
Inmarsat was set up in 1979 by the International Maritime Organization (IMO) to enable ships to stay in constant touch with shore or to call for help in an emergency, no matter how far out to sea.

Today our customers are found in many different sectors – but they are typically businesses and organisations that need to communicate where terrestrial telecom networks are unreliable or simply cannot reach.

Global phones and broadband internet
As well as merchant shipping, our customers include governments, airlines, the broadcast media, the oil and gas industry, mining, construction, and humanitarian aid agencies – to name just a few.

They connect to our fleet of 12 satellites using a range of equipment, including global handheld satellite phones and notebook-size broadband internet devices, as well as specialist terminals and antennas fitted to ships, aircraft and road vehicles.

Market leader in mobile satellite services
Our business has grown strongly since 1999 when we became the first intergovernmental organisation to transform into a private company, later floating on the London Stock Exchange (LSE: ISAT.L) in 2005.

In fact, today Inmarsat plc is the market leader in the provision of mobile satellite services, with the largest portfolio of global satellite communications solutions and value-added services on the market.

Five market-facing business units
Our global sales and marketing activities are operated through five market-facing business units:

Inmarsat Maritime, focusing on worldwide commercial maritime opportunities
Inmarsat U.S. Government, focusing on US government opportunities, both military and civil
Inmarsat Global Government, focusing on worldwide (i.e. non-US) civil and military government opportunities
Inmarsat Enterprise, focusing on worldwide enterprise, energy, media and M2M opportunities.
Inmarsat Aviation, focusing on in-flight voice, data, safety services and cabin connectivity, for both business and commercial air transport.
With a presence in more than 60 locations across every continent, our world-class products, services and solutions and 24/7/365 customer support facilities are available directly from Inmarsat, or – for the majority of customers – via our worldwide network of independent Distribution Partners (DPs) and Service Providers (SPs).

Looking for: 

We are currently recruiting to fill a number of vacancies at our offices and operations centres around the world. These positions are listed below.

If you have relevant experience but can't see an appropriate opening, please submit a 'Speculative Application'. We also offers a limited number of internships, and so if you'd like to be considered please submit an 'Internship Application'.

Employment types: 

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SCISYS SPACE is a leading provider of integrated solutions and products for ground & on-board systems. Within the ground segment SCISYS is a reliable and experienced partner for monitoring & control, data processing, automation, autonomous & intelligent systems, system modelling & simulation, infrastructures, data services and applications.

In the area of on-board systems our activities range from complete on-board software systems to subsystems for the data processing, attitude and orbit control as well as instrument control units. We are also specialised in the provision of on-site engineering and operations support and professional consulting services for the management and procurement of space and space-related projects.

For us, a long-standing partnership based on trustworthy collaboration with our customers holds the key to sustained success in the exciting and sophisticated space market.Our customers are satellite operators, system integrators and major research laboratories, as well as organisations and companies that are part of the international space industry.


The SCISYS SPACE Division operates in the UK through SCISYS UK Ltd. and in Germany through SCISYS Deutschland GmbH.


Looking for: 

Working for SCISYS is both challenging and rewarding. Our staff are enthusiastic, self-starters who thrive in a dynamic environment.

Whether your speciality is project management, business analysis, system design and software engineering, programming, applications support or spacecraft operations and flight dynamics, there may be opportunities for you at SCISYS. Potential is quickly recognised and rewarded appropriately, and the experience you will gain through working in diverse market sectors and on a variety of projects is second to none.


The SPACE Division provides integrated system solutions for Space Science and Exploration, Navigation, Telecommunications, Security and Earth Observation. Together with our parent company SCISYS plc, we offer interesting job opportunities in the following application fields:

  • Software design and development
  • Project Management,
  • Modelling and Simulation,
  • Mission Control,
  • Flight Dynamics
  • Autonomous Systems and Automation
  • Embedded Software.

The SPACE division also offers industrial placement and work experience to students from engineering, physics and computer science backgrounds. If you are interested in working in the space industry, SCISYS is an excellent place to gain valuable technical experience.


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Due to its many years’ experience of working in the international arena and especially in Europe, Grafton has accumulated an extraordinary expertise in the area of cross border administration, legal and tax issues which means we are in a unique position to accept the whole administrative burden for our clients regarding the logistical, legal and tax status regarding our Consultancy. 

As an ISO 9001 certified and AUG registered company we can support extensive range of specific requirements including work package administration, temporary employment and other cross border working arrangements.

Grafton’s in-house multilingual team provides a comprehensive and specific “local knowledge” understanding to underline our complete services.
Looking for: 

As a result off Grafton's extensive expertise in international Consultancy we offer unique assistance to our Engineers in their relocation, local registration accommodation, tax and insurance affairs.

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ESOC - Flight Dynamics Engineer

Contract duration: Permanent Contract

Location: ESOC, Darmstadt, DE

In preparation of our activities in 2015 and 2016, Sapienza is looking to recruit an experienced Flight Dynamics Engineer to support current and future earth observation and interplanetary missions from ESA-ESOC in Darmstadt, Germany.  


·         Orbit and attitude manoeuvre preparation, manoeuvre performance analysis, orbit determination and propagation, trajectory optimization, product generation, software test and validation, support for simulation campaigns and critical operations.

·         Attitude command files generation, actuator and sensor calibration, attitude determination.

·         Conceptual design studies for the operational flight dynamics system, operations preparation and planning.

·         Flight dynamics software maintenance: Adaptation of algorithms to new and exotic space environments, adaptation to new interfaces and functional requirements, migration to new hardware and/or operating systems.