Senior Engineer

Job Description
Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description
The Instrumentation & Automation Engineer will be responsible for supervising, monitoring, and ensuring the successful execution of all instrumentation, control, automation, PLC, SCADA, and testing & commissioning activities for the Sewage Treatment Plant (STP) project. The role involves review of design documents, technical submittals, installation works, calibration, testing, commissioning, and system integration to ensure compliance with Dubai Municipality requirements, project specifications, approved drawings, and international standards. The Engineer will coordinate closely with civil, mechanical, electrical, process, and commissioning teams to ensure seamless operation and delivery of all plant automation systems. Manage and supervise instrumentation, control, automation, and SCADA works for the Sewage Treatment Plant (STP). Review IFC drawings, specifications, control philosophies, instrument datasheets, and approved shop drawings. Review and approve instrumentation and automation material submittals and technical documents. Supervise installation of field instruments such as flow, level, pressure, temperature, pH, DO, turbidity, chlorine, and other process instruments. Review and coordinate P&IDs, instrument index, I/O lists, cable schedules, and instrument location drawings. Supervise installation and termination of instrument cables, junction boxes, marshalling panels, and control panels. Coordinate instrumentation works with civil, mechanical, electrical, process, and MEP disciplines. Review PLC, SCADA, HMI, RTU, and control system architecture and ensure compliance with project requirements. Monitor PLC and SCADA programming, configuration, graphics, alarms, trends, and communication interfaces. Review control logic, cause-and-effect diagrams, functional descriptions, and sequence of operations. Supervise installation and testing of actuated valves, control valves, motorized valves, and associated control equipment. Ensure proper calibration and configuration of all process instruments. Witness loop checking, point-to-point testing, functional testing, and signal verification. Coordinate testing and commissioning of instrumentation and automation systems with the commissioning team. Verify communication between PLC, SCADA, MCCs, VFDs, analyzers, remote panels, and other plant systems. Review and witness Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT) where applicable. Ensure instrumentation and automation works comply with Dubai Municipality requirements, project specifications, approved drawings, and applicable international standards. Monitor contractor activities and ensure compliance with approved method statements, ITPs, and quality procedures. Inspect delivered instruments and equipment against approved material submittals and manufacturer requirements. Identify and resolve technical issues, interface clashes, and discrepancies during construction. Raise and follow up Inspection Requests (IRs), Site Observations, and NCRs related to instrumentation and automation works. Coordinate with equipment suppliers and OEMs for installation, calibration, testing, and commissioning support. Monitor project progress and report instrumentation and automation status to the Resident Engineer/Project Manager. Review testing and commissioning procedures and ensure proper documentation is maintained. Verify calibration certificates, test reports, inspection records, and commissioning documentation. Review as-built drawings, O&M manuals, spare parts lists, training records, and handover documents. Support final testing, commissioning, performance testing, and operational handover of the STP. Ensure all instrumentation and automation systems are fully functional and integrated before final handover. Qualifications Bachelor's Degree in Instrumentation Engineering, Electronics Engineering, Electrical Engineering, Control Systems Engineering, or related discipline. Minimum 10-15 years of overall experience in ins