Professional Experience
A decade of cross-disciplinary engineering experience across industry, research, and leadership
Research Experience
Postdoctoral Associate
2024 – Present
Florida International University – Advanced Materials Engineering Research Institute (AMERI)
Miami, FL
- Lead micro-nanofabrication of thin-film sensor devices utilizing photolithography, PVD metallization (Cr/Au, Ag), and RIE plasma etching — managing complete process flow from photomask design to functional device characterization.
- Direct multiscale mechanical benchmarking of engineered cardiac tissues using AFM nanoindentation and mechanical testing, establishing standardized protocols for stiffness, elasticity, and viscoelastic property measurement.
- Develop and qualify novel thin-film deposition processes via E-beam evaporation, including process documentation, tool matching, and cross-functional collaboration with equipment vendors.
- Operate and maintain Class 100 cleanroom equipment including mask aligners, spin coaters, E-beam evaporator, and plasma etcher.
- Mentor graduate students in cleanroom protocols, process integration, statistical data analysis, and experimental design.
- Manage multiple cross-functional R&D projects under NSF-funded CELL-MET program, coordinating efforts across materials science, device physics, and biomedical engineering.
Graduate Research Assistant
2020 – 2024
Florida International University – Materials Science & Engineering
Miami, FL
- Developed semiconductor device fabrication processes in Class 100/1000 cleanroom environments
- Performed thin-film deposition (PVD, CVD, E-beam evaporation), photolithography, and etching processes
- Characterized materials using SEM, AFM, Raman spectroscopy, FTIR, and nanoindentation
- Established SOPs and run cards for fabrication workflows
- Applied DOE and SPC methodologies for process optimization
- Published 8+ peer-reviewed journal articles and presented at 10+ international conferences
- Filed multiple patents and disclosures for sensor technologies
Graduate Teaching Assistant
2019 – 2020
Florida International University – Department of Mechanical & Materials Engineering
Miami, FL
- Instructed and mentored students in Introduction to Nanofabrication (EGN5013C) and Materials Science Laboratory
- Taught cleanroom protocols, photolithography, thin-film deposition, and characterization techniques
- Developed laboratory manuals and grading rubrics for hands-on microfabrication courses
- Received positive evaluations for clarity and student engagement
Industry Experience
Lead Mechanical & Operations Shift Engineer
2018 – 2019
Gas Transmission Company Limited (GTCL)
Dhaka, Bangladesh
- Led shift operations for national gas transmission system serving millions of customers
- Supervised a team of 15+ technicians and junior engineers during critical operations
- Reduced unplanned downtime by 30% through root-cause analysis and preventive maintenance
- Managed emergency response protocols for pipeline and compressor station incidents
- Optimized gas flow parameters to ensure grid stability and efficient distribution
Shift Mechanical & Operations Engineer
2016 – 2018
- Operated and maintained high-pressure gas transmission equipment including compressors and turbines
- Conducted regular inspections and preventive maintenance on critical infrastructure
- Analyzed operational data to identify efficiency improvement opportunities
- Coordinated with dispatching center for load balancing and pressure management
- Prepared shift reports and maintenance logs for management review
Mechanical Engineer
2016
Abul Khair Steel Melting Limited (AKSML)
Chittagong, Bangladesh
- Managed high-temperature (1600°C) furnace systems and steel production equipment
- Implemented reliability-centered maintenance (RCM) strategies reducing downtime by 25%
- Led root-cause analysis for equipment failures and implemented corrective actions
- Supervised maintenance crew of 10+ technicians across three shifts
- Optimized equipment performance using predictive maintenance and vibration analysis
- Managed spare parts inventory and maintenance budget
Internship
Industrial Intern
Summer 2015
Ashuganj Fertilizer & Chemical Company Limited (AFCCL)
Ashuganj, Bangladesh
- Gained hands-on experience in fertilizer production plant operations and maintenance
- Assisted senior engineers in troubleshooting ammonia and urea production equipment
- Learned industrial safety protocols and hazardous material handling procedures
- Completed a technical report on energy efficiency improvements for production processes
- Observed and documented preventive maintenance procedures for rotating equipment
Voluntary Experience
President
2021 – 2024
Electrochemical Society (ECS) Student Chapter at FIU
Miami, FL
- Led a 30+ member student chapter focused on electrochemistry and materials science
- Organized seminars, workshops, and networking events with industry professionals
- Hosted guest speakers from academia and industry for technical talks
- Coordinated student participation in national ECS conferences
- Established mentorship program connecting senior and junior members
- Increased chapter membership by 40% through active recruitment
Technical Skills Summary
Fabrication
- Photolithography
- PVD / CVD / PECVD
- E-beam Evaporation
- RIE / DRIE Etching
- Spin Coating
- Mask Design (LayoutEditor)
Characterization
- SEM / EDS / AFM
- Raman Spectroscopy / FTIR
- Nanoindentation
- Profilometry
- EIS / Potentiostat
Software & Tools
- LabVIEW / Python
- JMP / Minitab (SPC/DOE)
- COMSOL / Abaqus (FEA)
- SolidWorks / LayoutEditor
- Git / GitHub
Methodologies
- Design of Experiments (DOE)
- Statistical Process Control (SPC)
- Root-Cause Analysis (RCA)
- Preventive Maintenance (PM)
- Reliability-Centered Maintenance (RCM)