Principal Instrumentation Engineer

About us 

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet todays needs and transition to more sustainable solutions. 

Job Purpose

The Lead I&C Engineer shall provide advanced engineering expertise for Instrumentation and Control systems during FEED, Detailed Engineering, EPC, and PMC phases of ADNOC projects.
The role is primarily engineering-focused with limited involvement in construction support activities. The engineer will be responsible for design review, engineering coordination, technical assurance, vendor management, and compliance with ADNOC standards, international codes, and project specifications.

Key Responsibilities
Engineering & Design

• Lead and review Instrumentation and Control engineering deliverables for oil & gas projects. 
• Review and approval: 
  • Instrument Index 
  • I/O List 
  • Control philosophies 
  • Cause & Effect diagrams 
  • Instrument datasheets 
  • Hook-up drawings 
  • Cable schedules 
  • Loop drawings 
  • JB schedules 
  • Control system architecture drawings 
• Ensure compliance with ADNOC standards, IEC, ISA, API, and international engineering practices. 
• Review FEED and Detailed Engineering deliverables prepared by EPC contractors. 
• Participate in design development and technical clarification meetings. 
• Support optimization of control systems, field instrumentation, and automation philosophies. 

Control Systems & Automation

• Review DCS, ESD, F&G, SCADA, and PLC system engineering documents. 
• Coordinate with telecom, electrical, process, and mechanical disciplines for interface management. 
• Review system integration philosophies and control narratives. 
• Evaluate SIL classification studies, alarm management philosophy, and cybersecurity requirements where applicable. 
• Review FAT/SAT procedures and vendor technical documentation. 

Vendor & Package Engineering

• Coordinate with package vendors for instrumentation and control requirements. 
• Review vendor documents and ensure timely resolution of comments. 
• Support technical bid evaluations and vendor selection processes. 
• Ensure package compliance with project specifications and operational requirements. 

PMC & Project Coordination

• Monitor EPC contractor engineering progress and quality. 
• Provide technical guidance during engineering execution. 
• Participate in HAZOP, SIL, constructability, and design review workshops. 
• Coordinate with ADNOC and PMC teams for engineering approvals and technical alignment. 
• Support project schedule adherence and engineering milestone achievement. 

Construction & Site Support 

• Provide engineering clarification and technical support to site teams when required. 
• Review technical queries, deviations, and site engineering issues. 
• Support pre-commissioning and commissioning teams during system checks and startup activities if required. 
• Occasional site visits may be required for technical verification and coordination. 

Minimum Qualifications & Experience Required

• A bachelor’s degree in relevant engineering discipline or equivalent from an accredited university, with a minimum of fifteen (15+) years of relevant experience in the Oil & Gas or Petrochemical industry, including a minimum of five (5) years (preferred) in the GCC region.
• Must have at least five (5) years of experience in a similar position on major Oil & Gas or Petrochemical projects, managing a team of Specialists, Senior Engineers, and Engineers.
• ADNOC project experience is Required.
• Offshore project experience is Required.
• PMC experiences are preferrable. 
• Experience in FEED & EPC Phases is required.

Technical Skills

• Strong knowledge of: 
  • DCS / ESD / F&G systems 
  • Smart field instrumentation 
  • SIL & Functional Safety 
  • Control system architecture 
  • Industrial communication protocols  
  • Instrument sizing and selection 
  • ADNOC engineering specifications 
• Familiar with: 
  • SPI / SmartPlant Instrumentation 
  • Aveva Engineering 
  • AutoCAD 
  • MS Office G
• Good understanding of multidisciplinary engineering coordination. 
  
   

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. Were building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

And were not just talking about it; were doing it. Were reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in todays low carbon energy infrastructure and technology. Whatever your ambition, theres a path for you here.

And theres no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.