We are recruiting for a Thermal Vacuum Test Engineer for a leading Defence & Space organisation based onsite in Portsmouth. Overview:  Thermal Vacuum test engineer required to join the environmental test laboratory team in Portsmouth. Supporting the test requirements of internal business units and external commercial customers. Main Activities:  Perform thermal vacuum testing on space and commercial hardware. Perform temperature/humidity testing on space and commercial hardware. Post-processing data test and reporting. Working to national and international standards. Review test procedures, raise quotations against external customer specifications. Managing calibration of test equipment. Assist with costs and scheduling. Maintenance of the associated test facilities. Requirements: Engineering apprenticeship HNC or Engineering Degree At least 5 years’ experience of testing in a laboratory environment. Experience of working directly with customers. Ability to work flexible hours weekend/shift working on a rotating pattern. Early Shift 6am -2pm Late Shift 2pm – 10pm Night Shift 10pm – 6am Days Mon – Fri (with the possibility of shift and weekends 6-2/2-10) 20% uplift. Nights 33% Premium rate – 25% Mon-Fri and 50% Sat-Sun This is an umbrella contract, the role is Inside IR35