Principal Integration and System Validation Engineer Take ownership of system integration and validation activities, shaping trials and evidence gathering to qualify complex defence systems. Develop expertise across multiple environments and influence outcomes from lab to live trials. Who we are looking for • British Citizen, SC clearable • Experience in system integration, validation or proving trials • Able to work across multiple teams, departments and sites Salary and rewards Up to £50,000 per annum with company bonus of up to £2,500 Your role • Plan, execute and report on functional, system and acceptance trials • Analyse system behaviour across internal and external interfaces • Investigate and resolve design or integration issues • Support safe and reliable trials, maintaining risk assessments and managing hardware and software assets Your experience • Strong verbal and written communication skills • Experience with verification and validation lifecycle, requirements management and defect reporting • Able to work in large, multi-site teams • Customer-facing experience advantageous Benefits and balance You will enjoy practical benefits including: • Pension contribution up to 14% • Paid overtime opportunities • Flexible working arrangements Where you will work Bristol, onsite 3–5 days per week, with potential travel across the UK and abroad Due to the nature of work at our client’s site, these vacancies are only open to British Citizens who hold SC clearance or can obtain it. This is a permanent role. Electus Recruitment Solutions provides specialist engineering and technical recruitment solutions to high-technology industries. Thank you for your interest. If you do not hear from us within seven working days, please presume your application has been unsuccessful on this occasion. You may resubmit your CV or details in the future, and we shall assess your suitability then