Lead Instrument Engineer

Company: Petrofac
Apply for the Lead Instrument Engineer
Location: Scotland
Job Description:

CB&I is seeking an Instrument Engineer 1 – Contractor for 12 months based in Aberdeen, UK.

Worldwide, energy asset owners choose CB&I Asset Solutions as their asset management partner, confident in our ability to deliver tailored, value-driven asset management solutions.

Our commitment is simple but powerful: to deliver value to our customers through safe, effective and efficient operations, maintenance, wells and decommissioning solutions, specialising in late life energy assets.

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

The scope of services will be reviewed should there be a significant change to client support requirements.

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:
    • 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 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
  • 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
  • Approve dispensations to codes or standards where justified
  • Control system philosophy and Software scopes of Work
  • Specifications
  • Vendor Statement of Requirements
  • Preparation & Issue of Survey Reports
  • Instrument and I/O Schedules
  • Orifice Plate / Valve / IS/Cable and General Calculations
  • SIL Assessment
  • MELS and MDRS

Design deliverables to check

  • Block Diagrams or Single line diagrams
  • Cause & Effect Diagrams
  • Cable Tray Routing & Layout Diagrams
  • Panel; Control Room; F&G and Equipment Room Layouts
  • Destruct Drawing
  • Logic & Loop Diagrams
  • Schematic Diagrams
  • Pneumatic, Chemical and Hydraulic Hook-up Diagram
  • Pneumatic, Chemical and Hydraulic Hook-up Schematic
  • Installation or storyboard diagrams to facilitate understanding
  • Requisition – Bulk Bill of Materials

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Posted: June 27th, 2026