Yasir Ahmad Shaikh
SENIOR PROCESS ENGINEER
Summary
Results-driven Process Engineer with over 7 years of experience in the petrochemical and fertilizer industries. Specializes in process optimization, troubleshooting, and plant operations. Skilled in utilizing software tools such as Aspen Plus, Aspen Hysys, Aspen EDR, and Aspen IP-21 for equipment sizing per API standards. Certified Six Sigma Green Belt with a proven track record of implementing cost-saving initiatives, developing control logic, and fostering cross-functional collaboration.
Overview
9
9
years of professional experience
7
7
years of post-secondary education
Work History
SENIOR PROCESS SUPPORT MANAGER – OXIDATION
LOTTE CHEMICAL PAKISTAN LIMITED
10.2024 - Current
- Responsible for process simulation/model development using Aspen Engineering Products for continuous and batch processes.
- Review and develop plant control instrumentation logics and systems.
- Maintain daily log of plant variable cost loss analysis.
- Benchmarking of each routine and non-routine activities of plant as part of Operational Excellence.
- Sizing of Restriction Orifice Plates as per ISO 5167 standard.
- Sizing of centrifugal compressors and pumps as per API 617 and 610 respectively.
PROCESS SUPPORT MANAGER – OXIDATION
LOTTE CHEMICAL PAKISTAN LIMITED
10.2023 - 10.2024
- Responsible for ensuring smooth production of >500,000 ton/year Terephthalic Acid by providing technical support to production team.
- Daily plant and trends' monitoring by integrating process real-time historian (Aspen IP-21), with provision of technical recommendations for plant improvement.
- Responsible for conducting process investigations and troubleshooting as per known RCA techniques.
- Provide technical inputs to Instrumentation, Electrical and Maintenance departments on various plant issues and projects.
- Technical evaluations of equipment such as pumps, heat exchangers from multiple vendors.
- Development of control valves, pumps, and heat exchangers' datasheets.
- Shell & Tube Heat exchanger design, rating and simulation as per API 660 standard.
- Responsible for overseeing completion/execution of all pending modifications as per the Management of Change system.
- Review and preparation of operating and emergency procedures as per executed modifications and within Total Productive Maintenance (TPM).
- Executed several modifications for plant improvement within TPM.
- Supervising and providing mentorship to two trainee engineers.
SHIFT MANAGER – UTILITIES
LOTTE CHEMICAL PAKISTAN LIMITED
06.2019 - 10.2023
- Preparation of SOPs and emergency procedures pertaining to both routine and non-routine operations.
- Preparation of training manuals and troubleshooting guides to cater both chronic and non-routine problems.
- Instrumentation sizing and selection, such as flowmeters, control valves.
- Flare system design as per API 520 and 521 standards.
- Pipe line sizing as per API RP 14E.
- HSE (Health, Safety & Environment) coordinator for Utilities plant, with responsibility to ensure all procedures are in place and in line with local and international HSE standards.
- Inventory management of bulk and minor chemicals used for water treatment/misc purposes at Utilities Plant.
- Budget-making for procurement of bulk and minor chemicals related to Utilities Plant.
- Preparation of isolation plans and slip-plate registers for job handover in both routine and non-routine activities.
- Expertise in DCS (Distributed Control System) and PLC (Programmable Logic Control) systems' operation.
- Chemical optimization at Utilities plant by ensuring optimum dosing and addressing any unusual consumptions.
- Training and development of trainee engineers, with all three assigned trainee engineers promoted to permanent positions.
TRAINEE SHIFT MANAGER – UTILITIES
LOTTE CHEMICAL PAKISTAN LIMITED
03.2018 - 07.2019
- Preparation of Daily Production Reports.
- Troubleshooting of chronic and miscellaneous plant issues.
- Preparation of reports based on investigations and plant improvement strategies.
- Gained knowledge of DCS & grasped in-depth know-how of emergency handling actions.
TRAINEE ENGINEER – CALCIUM AMMONIUM NITRATE (CAN)
FATIMA FERTILIZER COMPANY LIMITED
11.2017 - 03.2018
- Daily plant monitoring and trouble shooting.
- Preparation & analysis of Daily Production Reports.
- Rating and simulation of heat exchangers in Aspen EDR.
INTERN
FAUJI FERTILIZER BIN QASIM LIMITED
06.2016 - 07.2016
- 4-week internship at Fauji Fertilizer Bin Qasim Limited (FFBL).
- Acquired knowledge about working of equipment used in fertilizer production.
- Studied Process Flow Diagrams in detail.
- Carried mass balances on DAP and Urea processes.
Education
Bachelors of Engineering - Chemical Engineering
NED University of Engineering & Technology
Karachi, Sindh, Pakistan 04.2014 - 10.2017
Higher Secondary School Certificate - Pre-Engineering
Government Dehli College
Karachi, Sindh, Pakistan 09.2011 - 05.2013
Secondary School Certificate - Science
Sultan Mohammad Shah Aga Khan School
Karachi, Sindh, Pakistan 08.2009 - 05.2011
Skills
Proficient in Microsoft Office Suite
Accomplishments
- Implemented raw water backup system for GTG cooling, preventing 4-hour lockouts and reducing power import costs during cooling water failure, significantly improving startup efficiency.
- Designed a control logic to stabilize critical quality parameter (4-CBA), reducing process variability and enhancing product consistency.
- Proposed and executed wastewater recycling strategy for ion exchange systems, achieving annual savings of Rs 19 million by routing rinse water to RO.
- Optimized caustic consumption in Demin Plant by modifying pre-heating duration before anion exchanger regeneration, resulting in Rs 12 million/year savings .
- Received Chief Executive Award for in-house cleaning and decontamination of fuel oil from piping and storage tank for mothballing purpose, reducing significant cost on account of outsourcing.
Interests
Author of a novel titled 'The Call of Annihilation' which is available on Amazon
Writing blogs related to gaming and technology as an affiliate marketer
Playing video games, reading fiction books, and watching TV series and movies
Timeline
SENIOR PROCESS SUPPORT MANAGER – OXIDATION
LOTTE CHEMICAL PAKISTAN LIMITED
10.2024 - Current
PROCESS SUPPORT MANAGER – OXIDATION
LOTTE CHEMICAL PAKISTAN LIMITED
10.2023 - 10.2024
SHIFT MANAGER – UTILITIES
LOTTE CHEMICAL PAKISTAN LIMITED
06.2019 - 10.2023
TRAINEE SHIFT MANAGER – UTILITIES
LOTTE CHEMICAL PAKISTAN LIMITED
03.2018 - 07.2019
TRAINEE ENGINEER – CALCIUM AMMONIUM NITRATE (CAN)
FATIMA FERTILIZER COMPANY LIMITED
11.2017 - 03.2018
INTERN
FAUJI FERTILIZER BIN QASIM LIMITED
06.2016 - 07.2016
Bachelors of Engineering - Chemical Engineering
NED University of Engineering & Technology
04.2014 - 10.2017
Higher Secondary School Certificate - Pre-Engineering
Government Dehli College
09.2011 - 05.2013
Secondary School Certificate - Science
Sultan Mohammad Shah Aga Khan School
08.2009 - 05.2011
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