1. SENIOR PRINCIPAL MECHANICAL ENGINEER Contract Position - Long Term Warrington 3 days office / 2 days home We are recruiting a Senior / Principal Mechanical Engineer to author Mechanical Design Substantiation Reports which will underpin the design of the various process systems. Our client is currently producing the design of the Process Plant and Equipment (PP&E) to deliver an enduring manufacturing capability for a key customer in the defence industry. Acting as an Intelligent Client (IC) on behalf of the customer, you will liaise with the suppliers of professional services and equipment vendors to ensure consistency and standardisation in the design of the process systems. MECHANICAL ENGINEER ROLE: The role will be responsible for reviewing and producing substantiation reports to build the required evidence to support the Safety Case. You will contribute to the delivery of Work Pack 3 by: Interrogating the Engineering Schedule and evidencing claims made against Systems, Structures, and Components (SSC) in the documentation.