Principal Instrumentation & Control Systems Engineer
Listed on 2026-10-07
-
Engineering
Electrical Engineering, Systems Engineer, Automation & Mechatronics Engineer, Instrumentation Tech
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 today's needs and transition to more sustainable solutions.
Purpose:We are currently seeking a Principal Instrumentation Controls Systems Engineer to join our Worley team in Monrovia, CA. As a part of the team, your core responsibility will be to provide detailed Instrumentation Controls Systems engineering design and support the project team from a technical perspective.
Responsibilities:- You will provide instrumentation and controls system engineering services on medium, large, or mega projects to Worley' and its customers, including technical support and supervision within the instrumentation and controls engineering team.
- Ensure all engineering and design work performed meets quality, cost, and schedule requirements.
- Ensure all design work is safe and carried out in a safe manner.
- Ensure all design work conforms to the codes and standards used by the client, or to agreed industry standards.
- Perform designing/engineering work/deliverables as part of the Instrumentation & Controls team.
- Ability to interpret client specifications.
- Coordinate/Communicate with other disciplines and the client.
- Quality Assurance
- Responsible for working within the provisions and guidelines of the Worley Quality Assurance system. - Identify issues and problems, develop appropriate solutions, and ask for assistance when required.
- If required, assist and support junior personnel within the instrumentation & controls engineering team.
- Keep up to date with the latest developments and technical innovations in instrumentation & controls engineering.
- If required, function as instrumentation & controls engineering Lead on specific projects.
- If required, provide assistance and advice during procurement, construction, and commissioning activities.
Experience and Qualifications Requirements:
- Working knowledge of Instrumentation & Control deliverables such as:
- Panel (JB and Marshalling) Design.
- P&'s.
- Loop Drawings.
- Wiring Drawings.
- Motor Control Schematics.
- Instrument Location Drawings.
- Instrument Installation Details.
- Instrument Specifications (Datasheets).
- I/O Lists.
- Bill of Materials.
- Conduit/Cable Tray/Cable Schedules.
- Control Narratives and Strategies, algorithms.
- Develop and implement control logic (in PLCs, DCS, other software).
- Hardware and software integration for process control automation.
- Cause and Effect Diagrams / SIF List and consequences.
- Material Requisition s.
- Construction or Engineering Work Packages. Working knowledge of Instrumentation Calculation/Selection, such as:
- Flow (Orifice Plates, Vortex, Venturi, Magnetic, Ultrasonic meters).
- Level Measurement (Radar, Displacers, Gauges).
- Temperature (including Thermowells Freq. wake calculation).
- Pressure.
- Process Analyzers and sampling systems would be a plus.
- Competent use of instrument calculation/selection specific software.
- Working knowledge (design/configuration/implementation) of the following systems:
- PLCs, SIS, DCS, CCS, VMS/CMS, Historian, IAMS, Alarm Management System, Training / Operator Straining Simulator, Wireless System, and IOT Network design from reputable vendor / manufacturer.
- HMI, SCADA, Telecommunications, Cybersecurity.
- Working knowledge of industry standards and codes related to Instrumentation & Control system deliverables.
- Being able to work with multiple and concurrently small and medium projects.
- Working knowledge of Computer-Aided Design software.
- Working knowledge of Smart Plant Instrumentation (SPI) software, Flowmeter calculation/ sizing, and control valve sizing calculation.
- Working knowledge (design/implementation) of Communication Networks is a plus.
- Competent use of relevant software such as MS Office Suite.
- Smart Plant Instrumentation (SPI) software training (including wiring module) is a plus.
- ARAMCO
Experience:
Well versed and experienced with ARAMCO SAES standards. - Knowledgeable in Refinery, Gas Compression and Gas processing facilities.
- This role is based in the Monrovia CA Worley office locations and not eligible to support remotely.
- May be required to…
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).