Petrofac is seeking a Senior Instrument Designer - Contractor for 12 months based in Aberdeen, UK. The role is outside IR35 and we invite Limited Companies to engage. Scope of Services : Provide design input to estimates for project work scopes Provide technical design expertise to specify modifications to existing equipment or purchasing new equipment including: DCS, ESD F&G and Metering system modifications Field Instrumentation including Pressure, Level, Temperature, Flow and Specialist Measurements. Valves SIL, High Integrity Systems (HIPPS) Measurement and Metering Industrial Networking and Communications Provide technical design expertise to the resolution of technical queries ensuring that all design changes are captured by the change control process To be able to conduct site surveys on offshore or onshore assets To be able to produce calculations required for the role and participate in design reviews. Production of discipline documentation deliverables for inclusion in work packs. Provide a level of technical support that satisfies the appropriate Asset Safety Case and that the PFEER performance standards ensuring they are not compromised by any discipline engineering activities Compliance with company engineering procedures, industry, international and client codes and standards. Ensure that all work complies with the Contract Health, Safety, Environmental and Quality policies and procedures as appropriate. Deliverables: Block Diagrams or Single line diagrams Cause & Effect Diagrams Instrument Cable Block Diagram Cable Tray Routing & Layout Diagrams Panel; Control Room; F&G and Equipment Room Layouts Panel Wiring Diagram Destruct Drawing Instrument Mounting / Support Details Logic & Loop Diagrams Schematic Diagrams Cable Interconnection Diagrams Cable; Panel & Junction box Termination Diagram Junction Box Termination Diagram Pneumatic; Chemical and Hydraulic Hook-up Diagram Pneumatic; Chemical and Hydraulic Hook-up Schematic Installation or story board diagrams to facilitate understanding Cable Schedule Requisition - Bulk Bill of Materials LI-JN1 Additional Information