Process Simulation & Optimization Engineer

Aramco energizes the world economy.

Aramco occupies a special position in the global energy industry. We are one of the world’s largest producers of hydrocarbon energy and chemicals, with among the lowest Upstream carbon intensities of any major producer.

With our significant investment in technology and infrastructure, we strive to maximize the value of the energy we produce for the world along with a commitment to enhance Aramco’s value to society.

Headquartered in the Kingdom of Saudi Arabia, and with offices around the world, we combine market discipline with a generations’ spanning view of the future, born of our nine decades experience as responsible stewards of the Kingdom’s vast hydrocarbon resources. This responsibility has driven us to deliver significant societal and economic benefits to not just the Kingdom, but also to a vast number of communities, economies, and countries that rely on the vital and reliable energy that we supply.

We are one of the most profitable companies in the world, as well as amongst the top five global companies by market capitalization.

We are seeking an experienced Process Simulation and Modeling Engineer to join our Global Manufacturing Excellence team under the Downstream Reliability Solutions Department (RSD)

Reliability Solutions Department (RSD) provides engineering support to Saudi Aramco Global Manufacturing wholly owned and affiliates’ facilities (Refining, NGL Processing, and Petrochemicals). This includes reliability, inspection, corrosion management, static equipment, rotating equipment, electrical equipment, instrumentation and control support.

Your primary role as a Process Simulation & modeling expert is to provide expert guidance and support to de-bottleneck process operations and optimize through process simulation technologies. You will lead improvement initiatives for all operating departments within the Global Manufacturing Portfolio.

As the successful candidate you will be required to perform the following:

• Streamline Process Simulation & Optimization objectives in alignment with corporate objectives and develop programs, processes, and best practices.


• Monitor relevant KPIs to improve Process Simulation and modeling performance.


• Perform process simulations and modeling using specialized software tools to analyze plants’ processes and optimize their performance.


• Develop and maintain thermodynamic models and mathematical equations that accurately represent the behavior of various processes.


• Identify areas for process improvements and propose modifications or optimizations to increase efficiency, reduce costs, or meet regulatory requirements.


• Conduct performance improvement feasibility studies to increase yields, and operational efficiency of the company.


• Analyze chronicle problems and debottleneck complex models to improve process operations and economic benefits.


• Conduct safety assessments to evaluate the impact of potential process changes or plant modifications.


• Lead technical sessions such as the design review, model review, and commissioning.


• Provide subject matter expertise to operating facilities Operations, Maintenance, and Engineering teams by consulting, providing awareness sessions, and participating and leading technical exchanges and conferences.


• Review standards and General Instructions on behalf of the Global Manufacturing Excellence departments and act as leading SME.


• Collaborate with multidisciplinary teams to gather data and inputs required for the simulations and modeling activities.


• Prepare detailed reports and presentations to communicate simulation results, findings, and recommendations to stakeholders.


• Collaborate with other engineers and researchers and vendors to contribute to the development of new simulation software tools, methodologies, and techniques.


• Stay updated with the latest industry standards, best practices, and technological advancements in process simulation and modeling.

As a successful candidate you will hold a:

• Bachelor's degree in Chemical Engineering


• 15 years of experience in Process Simulation and Modeling technologies is required. Twenty years of experience is preferred.


• Refinery process engineering background is preferred with a minimum of 10 years’ experience


• Experienced with Process Simulation applications and specialized in APO or ROmeo software.


• Demonstrate expertise in process engineering and flowsheet-based processes simulation.


• Comprehensive understanding of refinery facilities, feedstock/product movements, margins, giveaways, process yields, and mass and energy balances.


• Demonstrate familiarity with international standards and specifications for advanced process control process modeling.


• Demonstrate exceptional analytical and troubleshooting skills in the field of advanced process solutions.


• Demonstrate leadership skills to effectively manage technical discussions and guide technical teams.

Work Location: Within Saudi Arabia – To be specified in Job offer

Work Schedule: Full Time - To be specified in Job offer

Job posting start date: 07/01/2025

Job posting end date: 12/31/2025

Working environment

Our high-performing employees are drawn by the challenging and rewarding professional, technical and industrial opportunities we offer, and are remunerated accordingly.

At Aramco, our people work on truly world-scale projects, supported by investment in capital and technology that is second to none. And because, as a global energy company, we are faced with addressing some of the world’s biggest technical, logistical and environmental challenges, we invest heavily in talent development.

We have a proud history of educating and training our workforce over many decades. Employees at all levels are encouraged to improve their sector-specific knowledge and competencies through our workforce development programs – one of the largest in the world.