● User Support: Provided comprehensive technical support, resolving user device issues including login errors, software corruption, license discrepancies, and access denials. ● Printer Management: Ensured continuous operation of 24-hour printer services, including SafeCom (on Windows Server) and numerous managed laser printers across Sei Mangke and Medan sites, addressing paper jams, ink replacements, and minor repairs. ● Asset Management: Managed IT assets, including updating, developing, documenting, tagging, and transferring inventory. ● User Access Control: Administered user access via Microsoft Entra ID, assigning roles as IT Support and Authentication Manager. ● Active Directory Management: Maintained Active Directory Access Control Lists (ACLs). ● Event Support: Provided technical assistance for events, including hardware preparation and live streaming setup. ● Vendor Supervision: Supervised vendor visits, ensuring adherence to service level agreements. ● Network Maintenance: Resolved network issues, including VPN connectivity, maintaining a 95% internet and intranet availability. ● Software Development Collaboration: Participated in the design stages of software development projects, collaborating with third-party vendors. Projects: 1. 2025 – Smart Driver Monitoring System (Face Recognition Focused). Description: ● Collaborative project with Master’s students to realize a facial recognition-based driver monitoring system. ● Focused on hardware integration, PCB design for Orange Pi Zero 3, system prototyping, communication protocol setup, and secure remote access infrastructure. ● No involvement in AI development. Tools: Orange Pi Zero 3,4G Lte Module, Custom PCB, Python, NGINX, Cloudflare, AWS EC2, AWS Lambda, VPN, dynamic routing, remote failback. 2. 2025 – Orang Buta Assistant - Assistive System for the Visually Impaired. Description: ● Designed a learning aid for visually impaired individuals to learn Braille. ● Pressing a corresponding button triggers an audio output of the associated character. Tools: ESP32, Amplifier Module, Speaker module.

● Developed monitoring tools using Digi IO, Modbus communication, ESP32, and RS485 protocols for IoT applications. ● Upgraded internal libraries to support most use cases, including features for Wi-Fi and Ethernet connectivity. ● Created a central hub dashboard on Raspberry Pi for Modbus TCP/RTU, serial communication, and digital read/write operations (using Flask, Python, web development, SQL). ● Reported and documented code changes in Git and managed technical documentation with Office tools. Projects: 1. 2024 – Final Project Undergraduate Thesis With Prasetiya Mulya University. Description: ● Developed and implemented both cloud and hardware solutions for an energy monitoring system, focusing on a 3-phase grid design. Tools: Wemos Lollin, PZEM 004T, AWS Lamda, AWS EC2, AWS S3. 2. 2024 – Internal Development in Synapsis Synergi Digital. Description: ● Developing internal product in using ESP32, Raspberry pi with various input sensor. Tools: ESP32, Raspberry pi, SHT, RS482, RS232, Modbus TCP RTU, Renesans, I2C, UART, SPI.

● Managed production of IoT devices, including coding for Arduino, ESP32, and Raspberry Pi. ● Contributed to electrical diagram, PCB design, system design, and manufacturing. ● Developed and executed strategies to ensure timely project completion. ● Collaborated closely backend-software engineer. ● Led the engineering team in creating new features and system enhancements. Projects: 1. 2022 to 2023 - Energy Monitoring System collaborate with Prasetiya Muya University. Description: ● Creating energy monitoring and controlling system from solar PV Installation, also make some data point to be use for further research. Tools: Custom PCB, Atmega328, ESP8266, Serial Com Module RS485, DHT, Thermistor, Flow Meter. 2. 2021 - 1st Prototype Faraday product. Description: ● Creating energy monitoring device, taking voltage and current and then send to backend server, this device has actuator. ● Processing: ESP32. ● Sensors: Home Made V oltage Sensor, Current Sensor ACT013, Temp and Humidity sensor DHT12, Temp Sensor Thermistor NTC Actuator: Relay, OLED Display. 3. 2020 - Collaborative and Multidisciplinary Catalytic. Pembuatan Sistem Decentralized Solar-based Power Station: Teknologi, Automasi, dan Business Model. Description: ● Creating energy monitoring device, taking voltage and current and then send to backend server. ● Processing: Arduino Nano and ESP01. ● Sensors: Home-made V oltage Sensor, Current Sensor AMS17. ● Actuator: none.

● Developed and managed Local Area Network (LAN) to enhance efficiency and scalability. ● Implemented data collection from production machines using Internet of Things (IoT) technology. ● Assisted in troubleshooting hardware and software-related network issues. ● Monitored network performance to ensure 24/7 uptime and availability. ● Collaborated closely backend-software engineer. ● Contributed to the design and implementation of innovative solutions, resulting in increased productivity and cost savings. Projects: 1. 2022 - Office Network rework Delta Rezeki Abadi. Description: ● Reconstruct network system in that company, I combined 2 building into one large network area, setup print server, and combining network from 4 ISP to achieve good and reliable network. Tools: Old PC Server (for access control), Linux, Industrial Router, Fiber Optic, HTBA-B. 2. 2022 - Counter System in production lane in Delta Rezeki Abadi. Description: ● Creating IOT system counter for how many bottles produce in production line, integrated to all line. ● Processing: ESP01, Raspberry Pi, AWS EC2. ● Sensors: Approximation Sensor Light. ● Actuator: none.

● Diagnosed and repaired hardware and software issues on various computer systems. ● Installed and upgraded computer components for improved performance. ● Offered expert advice to customers on new computer purchases and components. ● Sold computer parts and accessories, ensuring customers had suitable equipment. ● Provided in-person and remote technical assistance to resolve computer issues.