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

    To apply for this job please visit