Senior Instrument Engineer


Petrofac is seeking a Senior Instrument Engineer – Contractor for 12 months, based in Aberdeen, UK.

The role is outside IR35, and we invite Limited Companies to engage.

Scope of Services:

·         Provide engineering input to estimates for project work scopes 

·         Provide input to progress and planning meetings 

·         Provide technical expertise to specify modifications to existing equipment or purchasing new equipment including but not limited to: 


o   DCS, ESD F&G and Metering system modifications

o   Field Instrumentation including Pressure, Level, Temperature, Flow and Specialist Measurements.

o   Valves

o   SIL, High Integrity Systems (HIPPS)

o   Measurement and Metering

o   Industrial Networking and Communications


·         Provide technical 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

·         Provide checking and approval of discipline documents; complete interdisciplinary checking of documents where necessary 

·         Production of discipline documentation deliverables for inclusion in work packs 

·         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. 



·         Control system philosophy and Software scopes of Work   

·         Specifications  

·         Vendor Statement of Requirements  

·         Preparation & Issue of Survey Reports 

·         PEPs 

·         Instrument and I/O Schedules  

·         Instrument / Equip / JB / IO / Alarm Schedule 

·         Label Schedules  

·         Orifice Plate / Valve /IS/Cable and General Calculations 

·         Equipment Data Sheets 

·         Requisition (Including SDRL) 

·         SIL Assessment  

·         Spares/Equipment List 

·         Weight control sheets 

·         MELS and MDRS 

·         Workpack input  


Design deliverables to check:

·         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 

Additional Information

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