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Work Background
ExxonMobilWastewater Engineer (JUR)
Dec. 2024
ExxonMobilWastewater Engineer (SCP)
May. 2023 - Nov. 2024• Spearheaded the implementation and stewardship of Safety Risk from the ground up. Cleared 11 overdue SSHE items (including 7 from a 2021's HAZOP study) and reduced Risk Units by 10%. Set clear standards and stewardship structure for Business Unit and facilitated effective handovers amidst transitions, ensuring full closure and ownership. • Achieved USD 45K in savings by opting for a different chemical cleaning vendor from the past turnaround practices, overcoming stakeholder resistance with technical justification. Reinstated aerobic digester after a decade, reducing sludge trucking. Prevented a potential environmental excursion by collaborating with NALCO and EMTEC, saving USD 1M in truck-out costs. • Reinstated DAF2 operations after 3 years of inactivity. Tackled benzene-related risks and instrumentation gaps through a comprehensive risk assessment and cross-functional collaboration. Successfully reinstated the cover, restored reliability, and enabled the unit to process low-cost, high-benzene crude, unlocking USD 225k in credits. • Evaluated and relaxed methanol limits without compromising Biological Treatment Unit (BIOX) health. Develop a phased trial plan, monitored BIOX performance microscopically, and transitioned to quarterly health checks. This enabled the shutdown of the methanol tower, saving USD 34.7k/month in operating costs. • Captured USD 114K/year in credits by rationalizing sampling frequency. Partnered with EMTEC and chemists to challenge norms and streamline lab operations. • Enabled USD 110K/month in savings by validating SAR-2 Wastewater processing at SCPU. Partnered with NALCO to ensure compatibility and system health, and providing reliable contingency plan. • Revived an exchanger inactive since 2008, unlocking USD 578K/year in steam credits amidst rising energy costs. Collaborated across teams to ensure smooth recommissioning. Devised a fast-track method to create ullage and minimize BT disruptions.
ExxonMobilUtilities Engineer
May. 2022 - Apr. 2023SingaporeDesalter and Flare Engineer for Singapore Chemical Plant (SCP) • Improved unit profitability by reducing wash water usage in desalters, saving SGD $15k–20k annually per 1% reduction. This was achieved by aligning wash water injection with actual crude rates and recognizing long-term shifts in feedstock. • Avoided potential losses of $2.5M/day by sourcing and deploying a third-party heat exchanger for Turnaround, ensuring zero delays in slop processing. • Streamlined slop management by optimizing routing to neighboring crude tanks and establishing clear contingency paths. Developed a scenario-based flowchart to align between teams, enhancing clarity and coordination across functions. • Eliminated reportable black smoke emissions through proactive technical evaluation, cross-business units collaboration, and timely activation of mitigation plans. Authored detailed procedures and set clear monitoring standards to uphold environmental compliance.
Mathnasium - The Math Learning CenterInstructor
Sep. 2021 - May. 2022Singapore, Singapore• Instructed students aged 5 to 16 at Mathnasium, focusing on individualized curriculums to enhance students' mathematical skills using engaging and effective teaching methods. • Managed small groups of up to three students, fostering a collaborative learning environment. • Contributed to a significant improvement in student performance, with many achieving grade-level proficiency.
Asia Pacific Breweries Singapore (Part of The HEINEKEN Company)Total Productive Management (TPM)
Jan. 2021 - Aug. 2021Singapore, Singapore• Implemented 5S across 6 departments, co-conducted trainings with my manager, and improved the company’s safety and productivity. Created training materials, set standards, and created as dashboard governance. • Worked with a cross-functional team to reduce machine downtime cause by material issue by 50.4%, hence improved the machine’s efficiency. • Created a scheduling excel file for Planning Department to improve their planning process and its efficiency. • Aligned with 9 departments in Supply Chain to migrate digitally to Microsoft Teams, educated managers on its governance process, and improved collaboration and communication in the company.
MSDPharmaceutical Technical Operations (PTO) Engineer
Sep. 2019 - Dec. 2019Singapore, Singapore• Assisted several engineers with their investigations and projects, improving the team’s efficiency. • Learnt and understood tablet manufacturing processes and its machines, cleaning validations, and investigation toolkits. Applied my knowledge by actively taking part in investigation discussions and helped the team narrow down the possible root causes. • Planned events, such as Team Building and Christmas Parties, with fellow interns. The event was successful and everyone enjoyed their time during the party.
Teknor Apex Asia PacificQuality Coordinator
Jun. 2017 - Jul. 2018Singapore, Singapore• Coordinated with several departments to ensure smooth delivery of Finished Goods (FG) by creating an effective system that improved flow of FG and relationship between departments. • Managed calibration and maintenance of all equipment in the laboratory by implementing a software to track calibration due dates and improve proper documentation practices.
International Flavors & FragrancesApplication Laboratory Assistant
Mar. 2016 - Aug. 2016Singapore, Singapore• Assisted in making samples for customers and tests by adding oils or slurries into unscented bases (perfumes, shampoo, detergents, etc). • Learnt different techniques to ensure efficiency of sample preparation for different materials.
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