About the job

Orbex are looking for a Senior Fluid Systems Design Engineer to support our AIT Department, owning the design, development, analysis and integration of complex fluid delivery systems for our test site in Kinloss and Spaceport. Responsibilities include engineering LPG, Water Deluge, Gaseous Helium (GHe) Distribution System, Helium Transfer (HeTR), and Liquid Nitrogen (LIN) systems including P&ID creation, thermal protection and insulation; conducting CFD, FEA and thermal simulations to ensure optimal performance including pressure drop and flow balancing; developing and executing test plans to validate system functionality, safety and reliability; overseeing fabrication, assembly and execution of test plans; collaborating with launch platform, propulsion and ground support teams for seamless system integration; participating in system commissioning and operational readiness for launch operations; developing detailed technical documentation and ensuring adherence to safety and industry regulations; identifying optimisation opportunities to enhance efficiency, cost-effectiveness and maintainability; defining and managing mechanical and control interfaces for all fluid system components; managing multiple projects, prioritising tasks and supporting troubleshooting efforts during system deployment. Applicants should have a background in Mechanical or Aerospace Engineering or a related field, demonstrated experience with SolidWorks or similar CAD tools, strong knowledge of fluid mechanics, thermodynamics, high-pressure gas and cryogenic systems, significant experience working hands-on with liquid or hybrid propulsion systems, proficiency in numerical analysis tools (e.g., Matlab/Simulink), experience with engine performance modelling tools (e.g., CEA, RPA, Redtop) and desirable familiarity with cycle simulation tools (e.g., Ecosimpro, Simscape) and aerospace launch-pad fluid systems and ground support equipment. Visa sponsorship and full relocation support (including family) are offered.