Lead Process Engineer

ROLE PURPOSE:
The Lead Process Design Engineer shall act as the Technical Authority for all process engineering activities related to the Instrument Air (IA) and Plant Air (PA) System Upgrade, with primary focus on Air Compressors, ensuring:
Full compliance with ADNOC Offshore Process Engineering Standards
Protection of FEED & Design Basis integrity
Safe, reliable, and energy-efficient operation of IA/PA systems on live offshore platforms
Independent Owner’s Engineer (OE)-level engineering governance
KEY ROLES & RESPONSIBILITIES
Process Technical Authority (Owner’s Engineer Role)
Act as Lead Process Authority for:
IA/PA system design
Compressor process sizing
Air quality & reliability requirements
Enforce compliance with:
ADNOC CoPs
API / ISO compressor & air treatment standards
Provide final technical approval on all process design deliverables
Air Compressor & IA/PA System Process Design
Perform and review:
Compressor sizing calculations
Air demand balance & peak load assessment
System pressure drop calculations
Turndown & redundancy philosophy (N+1)
Validate:
IA vs PA segregation
Dryer sizing & moisture removal efficiency
Air quality class suitability for instruments
Brownfield Integration & Offshore Feasibility
Lead process engineering for:
Tie-ins to live IA/PA headers
Shutdown & operational constraints
Temporary air supply philosophy during changeover
Review:
Laser scan & as-built data
Brownfield modification method statements
Support:
SIMOPS planning & execution
Process Safeguarding, PSV & Safety Studies
Lead process input for:
HAZID / HAZOP / ENVID
Relieving scenarios & PSV sizing
Blowdown & vent routing philosophy
Ensure:
All safeguarding recommendations are implemented in P&IDs & control logic
Interfaces with Other Disciplines
Coordinate closely with:
Rotating (compressors, performance)
Piping (headers, drops, pressure classes)
Static (air receivers, dryers)
Electrical (motor power demand)
I&C (control logic & interlocks)
Construction & Commissioning Support
Support:
Pre-commissioning of IA/PA systems
Dryer changeover & air quality verification
Performance testing of compressors & dryers
Provide process acceptance for RFSU
ADNOC-SPECIFIC OFFSHORE SAFETY RESPONSIBILITIES
Enforce:
ADNOC PTW requirements
SIMOPS safety for live system tie-ins
Overpressure and stored energy hazard control
Ensure:
Emergency blow-off and venting are compliant
SIMPLE DOCUMENTATION & REPORTING
Maintain key process discipline registers, including:
Process Equipment List
Compressor & IA/PA Calculation Register
P&ID Register
TQ & Deviation Log
Review and approve:
Process datasheets
P&IDs
Cause & Effect diagrams (interface)
PSV sizing and safeguarding documents
Ensure compliance with:
ADNOC Document Numbering System
Project Master Document Register (MDR)
Prepare and submit:
Weekly Process Engineering Progress Reports
Monthly Discipline Summary Reports
Verify and approve as-built process documentation for:
Mechanical Completion (MC)
Ready for Commissioning (RFC)
Ready for Start-Up (RFSU)
Bachelor’s Degree in Chemical / Process Engineering – Mandatory.
Minimum 15 years of experience in oil & gas industry with EPC exposure.
ADNOC Offshore project approval experience – Strong Advantage.
Chartered Engineer / Professional Engineer – Advantage.
Knowledge in software's like Aspen HYSYS / UniSim, AVEVA E3D / PDMS (for review), PSV sizing software.

Employment type
Full-time

Work arrangement
No