A leading aerospace and defence company specialising in advanced propulsion systems for space applications is seeking a  Cleanroom Technician  to support the assembly, integration, and testing of high-precision space-qualified components. This is a fantastic opportunity to work in a cutting-edge cleanroom environment and contribute to critical space missions. Cleanroom TechnicianPermanentCompetitive Salary + Excellent BenefitsAylesbury Cleanroom Technician Key Responsibilities Perform precision assembly and testing in a Class 8 cleanroom environment Conduct leak detection tests using helium mass spectrometers and high-pressure gases Clean components using automatic particle counting and patch sampling techniques Perform electrical testing to ensure compliance with specifications Carry out gas flow testing on valves, thrusters, and fluidic components Operate digital voltmeters, oscilloscopes, and data acquisition systems Conduct TIG and orbital welding, compiling weld inspection reports Maintain cleanroom standards and test equipment Adhere to AS9100 Quality Management System processes Cleanroom Technician Requirements Prior experience in a similar position or in a practical engineering role Syste...