Senior Simulation Engineer

Company Details

Securing Space Sustainability

Astroscale UK is looking for a Senior Simulation Software Engineer to join our friendly and welcoming team at our brand new state of the art facility at the UK Space Cluster in Harwell.

This is a fantastic opportunity to be instrumental in the future development of a key component of our innovative satellite servicing spacecraft, and work with us to achieve our vision of making a positive contribution to the problem of space debris. 

Our missions rely on powerful satellite simulators for validating and preparing the mission operations. Thus, we need skilled engineers to develop state-of-the-art simulators in-house, with responsibilities across the whole lifecycle, from design and development to testing and deployment. 

The successful candidate will provide technical expertise for the development of simulators at Astroscale UK. You will be simulating satellites in the toughest conditions and simulating performing manoeuvres in close proximity to other space assets. As a senior member of the team, you will work on all aspects of software development on our state-of-the-art simulators, from analysis and design, through to testing and deployment as well as mentoring team members.  


Design, development, integration, validation, deployment and ongoing maintenance of spacecraft simulation software
Provide technical expertise as Subject Matter Expert regarding simulator development
Develop and integrate spacecraft simulation software based on client’s requirements
Validate, configure, and deploy simulation software in Astroscale’s environments
Develop scripts based on the client’s operational scenarios
Perform maintenance activities on simulators to ensure highest availability to users
Support in writing standard Operational procedures to the Operations team
Write start-up scripts to configure the simulators as required for the different operational configurations

Essential Skills 

University degree in Computer Science, Electronics, or other STEM discipline
Minimum 5+ years of space industry experience in modelling and simulation of digital electronics (processors, memory, FPGA) and interfaces/buses (CANBus, RS422, RS485, SpaceWire)
Minimum 5+ years of industry experience in software development using C/C++ , real-time software development, preferably using modelling and simulation technologies
Experience with SMP2 and SIMULUS Suite and/or other spacecraft simulation frameworks
Experience with an emulation suite, preferably ESOC Emulator Suite or TEMU
Experience in debugging and validating spacecraft onboard data handling subsystem
Experience in debugging, profiling on Linux
Sound knowledge of modern C++ (C++14)
Object oriented design using UML, design patterns
Experience with unit testing
Fluency in spoken and written English

Desirable skills 

Experience with Agile software development, tools and methods
Experience with ECSS-E-70 (PUS), SCOS MIB
Experience in Ground Segment Systems development
Linux system administration, shell scripts, make, etc.
Scripting with JavaScript


  • Competitive base salary
  • Opportunity to work with a highly talented international team working on cutting edge technology
  • Flexible working around core hours
  • 25 days holiday (increasing yearly up to a maximum of 28 days) + 8 days Bank Holiday per year
  • Life insurance and long-term sick pay
  • Private healthcare (taxable benefit)
  • Relocation allowance
  • Visa sponsorship for employees
  • New state of the art office and cleanroom facility
  • Regular social events


  • Astroscale UK (Harwell), with potential for some travel to Astroscale Japan (Tokyo)

About Astroscale 

Astroscale is the first private company with a vision to secure the safe and sustainable development of space for the benefit of future generations, and the only company dedicated to in-orbit servicing across all orbits. Founded in 2013, we are developing innovative and scalable solutions across the spectrum of in-orbit servicing missions, including End of Life services, Active Debris Removal, In-situ Space Situational Awareness and Life Extension Services, to create sustainable space systems and mitigate against the hazardous build-up of debris in space. 

Note to recruitment agencies: Astroscale operates a preferred Supplier List, and we do not accept unsolicited agency approaches. Please do not forward candidate CVs or details in response to this advert, or to any Astroscale employee.

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