Fluid Design Engineer

Orbex is looking for
Fluid Design Engineer
who will take full ownership of multiple hardware developments from concept through flight maturity.

Fluid Systems Team delivers high-performance fluid hardware to enable propulsion and structural systems to achieve their mission objectives

The Position
You will be technically strong, self-driven, and capable of independently planning and executing your projects. You will be working across the product lifecycle - from initial design, analysis, and test planning through integration and qualification. You will be involved in cross-functional collaboration with propulsion, structures, avionics, ground segment equipment, and software teams on regular basis.

Key Responsibilities Of The Role

• Take ownership of assigned fluid hardware developments (valves, regulators, fittings, flanges, bellows, insulation, piping, etc.) from concept through to flight readiness.
• Perform detailed design, analysis (analytical/numerical), and documentation of fluid hardware in accordance with requirements.
• Establish test plans and procedures; execute and report developmental and qualification testing.
• Prepare design documentation and deliverables for major program reviews (PDR, CDR, TRR, QR).
• Develop and manage individual project plans, ensuring delivery to agreed schedules and budgets.
• Support Systems Engineering by contributing to requirements definition and verification strategies.
• Collaborate with integration teams to develop common hardware standards (fittings, flanges, insulation, etc.) for cross-program use.
• Work with in-house and external production teams to ensure manufacturability and quality of flight-grade hardware.
• Support vehicle integration and propulsion development test campaigns as a technical owner for assigned hardware.

Qualifications and Experience

• Educational background in Mechanical Engineering or a related field.
• Proven experience in the design and development of fluid hardware (e.g., valves, actuators, regulators, fittings, or piping).
• Skilled in mechanical CAD design, GD&T, tolerance analysis, and generating manufacturing documentation.
• Experience with analysis tools to validate designs (e.g., SolidWorks FEA/CFD, Ansys, Fluent/CFX)
• Hands-on experience with hardware integration and testing, including test documentation and reporting.
• Familiarity with project planning tools and ability to independently manage development timelines.

Desirable Experience And Traits

• Experience with cryogenic fluids and/or high-pressure systems.
• Exposure to additive manufacturing methods for propulsion components.
• Knowledge of manufacturing and quality assurance processes in aerospace hardware.
• Experience with Python, EcoSim, or AmeSim for system-level modelling.

Applying with Orbex
The core of Orbex' values is based on courage, teamwork, communication and always doing the right thing. We are an international, diverse and multicultural group that believes in unlocking space for future of humanity.

If you are excited about our mission and this role, we encourage you to apply even if you do not meet all the requirements that are listed in the job description.

Orbex is an Equal Opportunity Employer and is working towards a more diverse workforce in the aerospace industry.

Security
You must be a UK or European citizen or from a country that is a signatory to the MTCR convention. You may be required to undergo a Background Security check which includes a criminal record check.

Benefits

• Competitive salary
• Annual 1% special holiday allowance
• Group Life Insurance, Lump Sum.
• 30 days of paid vacation plus public holidays
• Up to 8 days additional leave per year, for child related sickness (up to age of 12)
• Enhanced Maternity and Paternity leave
• Cycle to work Scheme
• Employee Assistance Programme
• Orbex are able to sponsor visas for you and your family and provide comprehensive relocation assistance, this includes 1 month of accommodation in the local area paid for by the company, a relocation allowance (please note, this is a taxable benefit it Denmark) and full support through the visa application process.