Senior MAC I&C 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.

Purpose of the Role

The Senior MAC / I&C Engineer is responsible for the engineering design review coordination and technical assurance of Measurement Automation & Control (MAC) and Instrumentation & Control systems throughout the project lifecycle including Concept FEED EPC Commissioning and Start-up phases. The role ensures compliance with project specifications international standards ADNOC requirements and industry best practices while supporting safe reliable and efficient plant operations.

Key Responsibilities

• Lead the engineering and design of Instrumentation Control Automation and Measurement systems for onshore and offshore Oil & Gas facilities.
• Develop and review instrument datasheets specifications requisitions and technical bid evaluations.
• Prepare and review P&IDs instrument index I/O lists control narratives cause & effect charts shutdown logic and loop diagrams.
• Lead the design and integration of DCS PLC SCADA SIS/ESD Fire & Gas (F&G) and package control systems.
• Engineer and review fiscal metering custody transfer flow measurement flow computers tank gauging and analyzer systems.
• Coordinate multidisciplinary engineering activities with Process Mechanical Electrical Civil Piping and Telecommunications disciplines.
• Review vendor documents and ensure compliance with project specifications and client standards.
• Support HAZOP SIL LOPA FAT SAT and Integrated System Testing activities.
• Provide technical support during construction pre-commissioning commissioning and plant start-up.
• Resolve technical queries deviations concession requests and site engineering issues.
• Ensure all engineering deliverables comply with ADNOC IEC ISA API IEEE ISO NFPA and international engineering standards.
• Participate in technical meetings with clients licensors EPC contractors and vendors.
• Mentor junior engineers and provide technical leadership within the engineering team.
• Support project planning scheduling progress reporting risk management and technical assurance activities.

Min Qualification & Experience

• A bachelors degree in relevant engineering or equivalent from an accredited university with a minimum of fifteen (15) years of relevant experience in the Oil & Gas or Petrochemical industry including minimum five (5) years (preferred) in GCC region.
• Must have at least three (3) years of experience in similar position for international major Oil & Gas or Petrochemical projects.
• Experience within FEED & EPC experience required.
• Experience in PMC roles.
• Must have previous experience working in offshore projects
• ADNOC Project experience is required .

Technical Competencies

• Instrumentation design and specification.
• Process control systems.
• Distributed Control Systems (DCS).
• Programmable Logic Controllers (PLC).
• SCADA systems.
• Safety Instrumented Systems (SIS/ESD).
• Fire & Gas Detection Systems.
• Fiscal Metering and Custody Transfer Systems.
• Flow Computers and Metering Skids.
• Tank Gauging Systems.
• Process Analyzer Systems.
• Instrument Hook-ups and Loop Drawings.
• Cause & Effect Matrix development.
• SIL Assessment support.
• FAT SAT and Commissioning.
• Vendor package integration.
• Hazardous Area Classification.
• Control Valve and Instrument sizing review.
• Industrial communication protocols (Modbus Foundation Fieldbus Profibus HART Ethernet/IP).

Software Knowledge

• SmartPlant Instrumentation (SPI/INtools)
• AVEVA Engineering
• AutoCAD
• MicroStation
• Navisworks
• Microsoft Office Suite

Codes & Standards

• ADNOC Engineering Standards
• IEC
• ISA
• API MPMS
• AGA Standards
• ISO
• IEEE
• NFPA
• ATEX / IECEx

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.