Job Title: Principal Engineer - Electrical Engineering (Control and Instrumentation) Location: Barrow-in-Furness, Filton, Frimley, or Portsmouth - (2 days minimum on site per fortnight.) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable depending on skills and experience What you''ll be doing: Develop and manage requirements and acceptance criteria specific to a system or product and/or across a system of systems, platform or programme Understand the contractual and performance requirements for various systems, and support the definition and associated acceptance criteria and events through design, build, integration, installation and commissioning activities Produce documentation required to support the design review process, including: diagrams; technical specifications; supporting calculations; design evidence and justifications Review relevant supplier documentation and ensure it is captured and recorded appropriately Support the development of estimates for the scope of work and resources required to deliver it to support bids, proposal development and project planning activities for various systems Your Skills and Experience: Essential Experience in developing a CandI design for a large scale CandI system ensuring it meets a wide range of requirements, such as functional, defence standards, industrial standards, etc. Experience with managing n