Darin Fairus

Process engineer with experience in process simulation and reliability analysis, supporting process modeling accuracy, operational risk reduction, equipment reliability, turnaround (TA) readiness, and sustainability-driven engineering solutions. Skilled in process simulation using Aspen HYSYS and Aspen Plus, mass and energy balance analysis, process optimization, equipment sizing, PFD/P&ID interpretation, and reliability monitoring and readiness assessment, supported by hands-on project experience in bioethanol production, wastewater treatment plant design, biomass gasification analysis, carbon capture utilization concepts, refinery turnaround support, and engineering research. Hold a Master of Energy and Sustainability from Monash University and a Bachelor of Chemical Engineering from Monash University and Universitas Indonesia.

Reliability Analyst at PT Pertamina Patra Niaga (2026-05 – Present)

• Monitored equipment reliability and performance data across refinery units to support turnaround (TA) planning and execution
• Conducted turnaround readiness assessments, tracking preparation progress and identifying critical-path activities ahead of major shutdowns
• Developed automation tools and dashboards to streamline reliability reporting and turnaround readiness evaluation
• Performed downtime and delay analysis to identify bottlenecks and recommend corrective actions during turnaround execution
• Coordinated with refinery unit teams and stakeholders to align reliability strategies with operational and turnaround targets
• Monitored Turnaround (TA) at RU II Dumai and supported initiatives that reduced delay time during turnaround execution by 6%
• Developed a Pulse Check readiness assessment automation that enabled RU III Plaju to evaluate turnaround readiness faster, improving assessment time efficiency by 30%
• Standardized reliability and readiness reporting across units through a centralized tracking dashboard, improving visibility of turnaround KPIs and reducing manual reporting effort by 25%

Process Engineering Consultant at PT Danan Wingus Sakti (2024-03 – 2026-03)

• Supported process simulation, modeling, and design activities using Aspen HYSYS, Aspen Plus, and Ansys for energy and industrial clients
• Performed process analysis, validation, and optimization to support operational efficiency and engineering decision-making
• Assisted in equipment modeling and process flow development, including mass and energy balance evaluations
• Delivered technical workshops, software implementation support, and engineering consultations related to process simulation and optimization
• Prepared technical documentation, simulation reports, and presentation materials for internal teams and client stakeholders
• Improved process model accuracy by 8% and reduced operational risks at Pertamina Hulu Rokan, earning recognition as top consultant for contract renewals
• Increased client retention by 15% through targeted simulation solutions and achieved 95% positive feedback across 4-5 technical workshops per quarter
• Reduced Aspen HYSYS installation time by 25% and post-installation support requests by 20%
• Presented CCU-based sustainable fuel production solutions using Aspen Plus to 100+ technical participants

Research Engineer - Internship at Globe Well Environmental Solutions (2018-12 – 2019-01)

• Led research on five emerging water treatment technologies, delivering comprehensive reports that guided product development and client-specific solutions, resulting in a 7% reduction in water consumption
• Conducted on-site evaluations at four client facilities, identifying contaminant levels exceeding regulatory limits by up to 15% and developing three customized treatment plans aligned with industry standards
• Presented findings on three innovative water treatment technologies to the engineering team, contributing to the adoption of a new filtration method for a planned pilot project

Master of Energy and Sustainability in Energy and Sustainability – Monash University - Malaysia (2023)

Bachelor of Chemical Engineering in Chemical Engineering – Universitas Indonesia - Depok (2022)

Bachelor of Chemical Engineering in Chemical Engineering – Monash University - Australia (2021)