We are looking for an experienced Ground Support Equipment (GSE) Test Technician. As a GSE Test Technician, you will be responsible for various tasks including hot fire testing of apogee engines, instrumentation of engines, and maintaining and upgrading the firing site. Key Responsibilities: Conduct hot fire testing of apogee engines. Instrument engines and maintain firing site. Support lead Test Engineers for site preparation and maintenance. Handle propellant sampling, analysis, and testing. Maintain and operate mechanical and steam vacuum systems. Calibrate instrumentation and conduct steam boiler maintenance. Work with and handle flight hardware, including preparation of customer flight engines for test, instrumentation, installation on to the test stand, removal post hot fire test, and subsequent engine decontamination activities. Requirements: Bachelor's degree in Aerospace Engineering, Mechanical Engineering, or related field. Previous experience in GSE testing and chemical analysis of propellants. Proficiency in writing reports and test procedures. Familiarity with hot fire testing, propellant handling, and pressure systems checks. Experience with aerospace clean rooms and fuelling operations. Ability to interpret Piping and Instrumentation Diagrams (P&IDs). Strong understanding of high-pressure gas and fluidic systems