Head of Liquid Propulsion

  • Job Location: Hvidovre, Denmark
  • Type: Permanent
  • Posted: 26/01/2023

Looking for an experienced Head of Liquid Propulsion to lead our experienced team of experts in the design, development, test and qualification of our liquid propulsion systems, specifically our 3D printed rocket engines, turbopumps and supporting subsystems. You will need to demonstrate a strong, broad knowledge base across theoretical and practical aspects of liquid propulsion technology, ideally from prototype through to flight-qualified hardware.

We are a rapidly growing company with staff located between our production and test facilities in Forres, Scotland and Copenhagen, Denmark. Working on cutting edge advances in rocket fuel technology, Prime’s carbon footprint is up to 96% lower than comparable vehicles, leading to innovations in propulsion and tank structures. A state-of-the-art re-flight system means we can recover and reuse our technology, and innovations in separation mechanisms mean we leave no debris on orbit.

Having developed in-house production capability, we can 3D print complex engines, produce full-scale carbon composite fuel tanks, and have avionics and software testing labs in both Scotland and Denmark. Based in Copenhagen, you will be right in the heart of this fast-paced cutting-edge company, using your skills to build a new launch vehicle for a buoyant commercial market.


The position includes the following tasks and responsibilities:

Line management and technical leadership of a large, mixed discipline team of experts.
Working closely with the CTO and Programme Manager to ensure the effective and reliable delivery of all propulsion work streams.
Acting as the technical authority for propulsion systems design and implementation.
Testing / qualification programme development and execution
Key Qualifications and Experience

Exceptional leadership and communication skills
A true expert in your field, you will be able to make a meaningful contribution to the development of the Prime vehicle’s propulsion systems
Proven experience in the design and development of Liquid propulsion systems, ideally with proven flight experience.
Proficiency in the development and implementation of cryogenic fluid feed systems
A broad range of technical experience is essential, it is expected that you will have experience or exposure to many of the following areas:

Combustion processes analysis and modelling
Iso-valve characteristics design and development/selection
Microgravity fluid management systems design
Low-pressure fluid transfer systems design
Testing / qualification programme development and execution
Technical support of operational campaigns
Systems engineering
Design documentation production and procedures development
Pressure fed and pump-fed cycle systems
Turbomachinery operations knowledge and cryogenic experience preferable
Designs for cryogenic fluids, including liquid oxygen. materials compatibility and sealing technology
Fluid system modelling experience, preferably EcosimPro
CAD / CFD experience, SolidWorks / Ansys preferred
Packaging design as well as assembly and integration processes development for propulsion systems
Additive manufacturing experience
Ground testing and qualification including ground support equipment and test facility design
Desirable Skills

10+ years of rocket engine, fluid systems and/or turbomachinery hardware development experience
Fluency in use of CAD / CFD techniques to model and analyse fluid systems
Design, analysis, optimization and testing of fluid systems for cold-gas propulsion systems
Engine-TPA cycle design and optimization
Propulsion and tank system modelling and software model development
Injector design and optimization
RAMS assessments for propulsion systems
We need a flexible and dedicated mindset We are looking for experienced candidates who can demonstrate they get things done with a pragmatic attitude and reliable results. Your track record will be important.

It is imperative that you take initiative, communicate openly and can collaborate with technical and non technical team members.

You must be able to thrive in an international, diverse and multicultural environment.


This role is based in Copenhagen. You will be spending time both at the factory and our nearby rocket engine testing site, with occasional travel to our main factory, test and launch sites in Scotland.


You must be a UK or European citizen or from a country that is a signatory to the MTCR convention.

Capital International Staffing Ltd is acting as an Employment Business in relation to this vacancy.


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