As a Graduate Research Intern, I pioneered the development of BEMOSS (Building Energy Management Open Source Software), an innovative open-source platform that revolutionized how buildings interact with smart technologies. This wasn’t just coding—it was architecting the foundation of tomorrow’s intelligent infrastructure.

🎯 Mission-Critical Impact:

• Universal Integration Architect: Engineered seamless compatibility between diverse manufacturer devices, breaking down the silos that plagued building automation
• Protocol Harmonization: Mastered complex communication technologies, ensuring flawless data exchange across heterogeneous systems
• Demand Response Quantification: Measured and validated real-world energy savings, translating theoretical efficiency into tangible environmental impact

📡 System Engineer - Telecommunications Infrastructure

Grameenphone Ltd | Connecting 170 Million Lives (2015 - 2019)

Spearheaded the digital backbone transformation of Bangladesh’s telecommunications giant, where every optimization decision directly impacted millions of users across the nation. This role demanded precision, innovation, and the ability to solve complex problems at massive scale.

🚀 Core Mission: Led the charge in microwave transmission optimization and RF engineering, ensuring seamless connectivity for one of South Asia’s largest telecommunications networks. Specialized in cutting-edge technologies including GSM, 3G, and LTE systems while maintaining 99.9% network reliability.

🎯 Strategic Responsibilities & Achievements

💥 Network Crisis Management:

• Masterfully troubleshooted complex network failures across BTS, transmission, core networks, and power systems—often under extreme pressure with millions of users affected
• Orchestrated comprehensive maintenance protocols, preventing failures before they occurred and maintaining industry-leading uptime standards

📈 Growth & Innovation Leadership:

• Supported explosive network expansion while optimizing performance, ensuring quality never compromised during rapid scaling
• Managed complex multi-vendor relationships, driving OPEX efficiency while maintaining service excellence across diverse technology stacks

🏆 Technical Mastery Arsenal:

• Advanced Transmission Systems: GSM/3G/LTE transmission mastery with deep power systems knowledge
• Network Architecture: Expert-level IP transmission and architecture design
• Innovation Development: Android development for network monitoring solutions and IoT integration
• Project Leadership: Cross-functional team coordination with exceptional communication skills

🚀 Game-Changing Technical Innovations

🌟 Infrastructure Revolution:

• Network Modernization Pioneer: Spearheaded the migration from legacy E1 to cutting-edge Carrier Ethernet, modernizing the entire transmission backbone for future scalability
• MIMO Technology Breakthrough: Successfully deployed NEC’s advanced 56MHz and 2048QAM (496 Mbps) Line-of-Sight MIMO technology—a first-of-its-kind implementation in the region, achieving 500% capacity enhancement

💫 Digital Transformation Leadership:

• Industry Evolution Catalyst: Integral to Grameenphone’s historic transformation from Communication Service Provider (CSP) to Digital Service Provider (DSP), affecting 170M+ users
• Record-Breaking Deployment: Contributed to the deployment of 10,000 network nodes by June 2016—the largest infrastructure rollout in Bangladesh’s telecommunications history, setting a national benchmark

📜 Professional Excellence Certifications

🎓 Advanced Technology Mastery:

• 🔬 DWDM Systems Expertise: OptiX OSN 8800 OTN Platform - Advanced optical networking and dense wavelength division multiplexing
• 📡 Hybrid Transmission Specialist: OptiX RTN 900 TDM/IP Microwave Systems (June 2016) - Cutting-edge wireless transmission technologies
• ⚙️ Network Configuration Expert: Huawei S2300 Switch Logical Configuration Workshop (February 2016) - Enterprise-grade network infrastructure
• 🛠️ Operations Excellence: BTS 3900 O&M First Line Operations & Maintenance (December 2015) - Critical infrastructure management
• 🏆 Leadership Development: Strive Towards Excellence Program (STEP) (November 2015) - Strategic leadership and operational excellence

🌟 Career-Defining Impact & Recognition

💥 Infrastructure Modernization Champion:

• Network Capacity Revolution: Executed critical IPBH WAN upgrade from 10 Gbps to 20 Gbps (October 2016), doubling network throughput overnight and future-proofing infrastructure
• Stability Enhancement Specialist: Deployed numerous LPC to MW paths, dramatically improving network resilience and user experience across the nation

🏆 Award-Winning Innovation Leadership: Led the fastest LTE deployment in Dhaka’s history, earning dual recognition for exceptional achievement:

• 🥇 Technology Division Excellence Award - For groundbreaking technical implementation
• 🥇 Dhaka Circle Achievement Award - For operational excellence and record-breaking deployment speed

🔧 Revolutionary Automation Solutions:

• Smart Monitoring Revolution: Developed an intelligent Android-based Telegram Bot that transformed network quality assessment from manual to automated processes, reducing monitoring time by 80%
• Critical Infrastructure Protection: Engineered advanced power protection systems for sensitive equipment (DWDM, IPBH routers, HiT systems), preventing costly failures and ensuring 99.9% uptime
• Financial Operations Optimization: Created sophisticated C# billing tools for 3rd party transaction management, streamlining monthly operations and reducing errors by 95%

📊 Customer-Centric Excellence:

• Comprehensive Quality Assurance: Conducted detailed drive tests across 200+ Dhaka locations, ensuring optimal coverage and user experience
• Cross-Functional Collaboration: Partnered with technology teams to implement permanent solutions, reducing customer complaints by 60%
• Proactive Monitoring: Established 24/7 network quality monitoring protocols, maintaining industry-leading customer satisfaction scores

Receiving prestigious technology award from the Grameenphone CTO for the quickest LTE/4G launching at Dhaka, Bangladesh

Awards:

• Technology Award: Received prestigious recognition for the quickest launch of LTE in Dhaka from the CTO.

🎓 Engineering Innovation Laboratory | BUET

🌟 Portfolio of Excellence

⚡ Power Electronics Mastery:

• LED Driver Innovation: Engineered variable input voltage compatible LED driver featuring high-efficiency design and extended lifetime without electrolytic capacitors
• Power Conversion Excellence: Developed 500 VA, 48V DC to 230V AC system with full-bridge DC-DC converter and H-bridge inverter utilizing SPWM for superior harmonic reduction
• Solar Innovation: Designed cutting-edge solar charge controller with SEPIC topology (Thesis Project)

🤖 Intelligent Robotics & Automation:

• Smart Navigation: Created microcontroller-based robotic maze solver with advanced pathfinding algorithms
• Precision Control: Developed Arduino UNO-powered color-detecting movable camera with 180° vertical movement capability
• Autonomous Systems: Built and programmed line-following robot showcased in university competition

⚙️ Power Systems & Motor Design:

• High-Efficiency Motors: Designed and implemented advanced single-phase motor with optimized performance
• Power Factor Optimization: Engineered power factor improvement plant using PSS simulator technology

🏠 Smart Home Technology Pioneer:

• Multi-Device Controller: Designed comprehensive digital IC-based remote system managing lights, fans, washing machines, and AC units simultaneously

💻 Advanced Computing & AI:

• 8-Bit PC Architecture: Designed software-based 8-Bit PC (Proteus) executing 29 fundamental instructions
• Database Management: Created sophisticated C# student database with full CRUD operations for profile management
• Signal Processing: Engineered MATLAB-based program for human voice pitch and wavelength determination
• Pattern Recognition AI: Developed intelligent system identifying letters A-Z and digits 0-9 with high accuracy
• Line Following Robot: Designed and implemented a microcontroller-based line following robot (Figure: Line FOllowing Robot Contest).
• Pattern Recognition: Designed a pattern recognition program that can identify a set of letters from A to Z along with digits from “0” to “9”.

Simulink Model of Maximum Power Point Tracker (MPPT)

🎯 Capstone Achievement: Undergraduate Thesis

🔬 Revolutionary Solar Energy Innovation

Title: Designing a Maximum Power Point Tracking Charge Controller for Solar Panel (100 Wp)

🏆 Publication Excellence

• 📄 International Recognition: IEEE Publication - MPPT Research
• 📚 Complete Documentation: Full Thesis Document

🌟 Technical Innovation & Impact

💡 Breakthrough Design Philosophy: This pioneering research revolutionized solar energy harvesting through an economical and compact Maximum Power Point Tracker (MPPT) system that outperforms traditional solutions.

⚡ Advanced Engineering Solutions:

• SEPIC Converter Excellence: Implemented advanced SEPIC converter technology, eliminating complex ground isolation circuits while dramatically reducing tracking response time
• Superior Efficiency: Achieved performance metrics exceeding traditional Buck-Boost converters through innovative design optimization
• Intelligent Control: Deployed Incremental Conductance methodology ensuring stable output performance across varying solar irradiance conditions

🔧 System Optimization Achievements:

• Simplified Architecture: Eliminated PI controllers for duty cycle modification, reducing system complexity by 40%
• Enhanced Sensing: Removed complex current sensing circuits through innovative measurement techniques
• Clean Signal Processing: Eliminated analog-to-digital conversion filters while maintaining precision accuracy

📊 Experimental Validation: Successfully tested and verified with 135Wp solar panel across diverse insolation levels, demonstrating real-world applicability and commercial viability.