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.

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.

• Bachelor's Degree in Instrumentation Engineering, Electronics Engineering, Electrical Engineering, Control Systems Engineering, or related discipline.
• Minimum 10-15 years of overall experience in instrumentation, control, automation, and SCADA systems.
• Minimum 5 years of experience in Sewage Treatment Plants (STP), Wastewater Treatment Plants (WWTP), Water Treatment Plants (WTP), Pumping Stations, or similar utility infrastructure projects.
• Proven experience in installation, testing, commissioning, and operation of PLC, SCADA, HMI, RTU, MCC, VFD, analyzers, and process instrumentation systems.
• Strong knowledge of process instruments including flow, level, pressure, temperature, pH, dissolved oxygen (DO), turbidity, chlorine analyzers, and associated control systems.
• Familiarity with P&IDs, instrument index, I/O schedules, cable schedules, control philosophies, cause-and-effect matrices, and functional descriptions.
• Experience in Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), loop checking, signal verification, and integrated system testing.
• Good understanding of wastewater treatment processes and plant automation requirements.
• Knowledge of international standards and best practices related to instrumentation and industrial automation systems.
• Familiarity with Dubai Municipality standards, specifications, and authority requirements for infrastructure and utility projects is highly preferred.
• Experience coordinating with contractors, suppliers, OEMs, and multidisciplinary engineering teams.
• Excellent technical reporting, communication, and problem-solving skills.
• Professional certification or training in PLC, SCADA, automation systems, or instrumentation would be an advantage.

• Instrumentation & Process Control Systems
• PLC, SCADA, HMI & RTU Systems
• Industrial Automation & Integration
• Testing & Commissioning Management
• Process Instrument Calibration
• FAT, SAT & Functional Testing
• Technical Submittal Review
• Quality Assurance & Compliance
• Interface Coordination
• Problem Solving & Troubleshooting
• Documentation & Handover Management
• Stakeholder Coordination and Communication

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.