Fluidics Systems Engineer iO Associates are currently partnered with a company who are seeking a Fluidics Systems Engineer to join their growing team within the space sector. Location: Madrid, Spain Salary: €30,000 - €40,000 per annum Working pattern: Full-time Working environment: Hybrid Working Language: English This organisation is developing advanced propulsion systems for space applications and is looking for a hands-on engineer to take ownership of a critical fluidics subsystem. This role focuses on precision engineering in challenging environments, working with liquid propellants and vacuum systems to support real spaceflight applications. The role will involve: Owning the development of a propellant management subsystem, driving it from design refinement through to production readiness Leading mechanical and functional improvements, with a focus on reliability and scalability Designing and qualifying in-vacuum propellant filling processes, including contamination control and calibration procedures Characterising system performance, including flow delivery,



pressure stability, gas behaviour and fill accuracy Creating and maintaining detailed test procedures, assembly documentation and qualification reports Collaborating closely with propulsion, electronics and testing teams during integration and validation campaigns Supporting supplier engagement and contributing to make-vs-buy decisions Contributing to vacuum chamber redesign and development activities Key requirements: Background in vacuum systems, precision fluidics, analytical instrumentation, or a related engineering discipline (industry or research)2-4 years hands-on engineering experience, ideally in a lab, R&D; or production environment Experience working with sensitive or reactive liquids (e.G. hygroscopic, conductive, or corrosive fluids) Familiarity with vacuum systems, including pumping equipment, low-pressure measurement, leak detection and outgassing behaviour Experience designing or assembling

📌 Fluidics Systems Engineer (Madrid)
🏢 iO Associates
📍 Madrid