Wi-Fi Modem for Smart Meters

@ExpertNetworkEng

Hello, I’m a Senior Network & Security Engineer with 10+ years of hands-on experience designing, implementing, and migrating enterprise and service-provider networks. I specialize in Network Security, SD-WAN, routing & switching, enterprise wireless, and secure network architecture, helping companies modernize legacy networks, improve reliability, and reduce WAN costs. Core expertise: - Firewalls & Security: FortiGate, Palo Alto, Cisco ASA / Firepower IPsec & SSL VPN, site-to-site, remote access, policy design - Routing & Switching: Cisco ASR/ISR, Catalyst, Nexus, Juniper Routers (M10, MX 960) and SRX 500 (BGP, OSPF, EIGRP, IS-IS, MPLS, VLANs, STP, HSRP/VRRP) Enterprise LAN & campus design - LAN Switching (Multi-Vendor): Cisco, Juniper, Meraki, HP, Aruba, FortiSwitch Access/core design, redundancy, QoS, segmentation - Enterprise Wireless: Cisco WLC & APs, Cisco Meraki Wi-Fi, Ubiquiti, Aruba Wi-Fi, FortiAP Coverage design, roaming, security, troubleshooting - SD-WAN: Fortinet SD-WAN, Cisco SD-WAN (Viptela), Cisco Meraki (hub-and-spoke, MPLS + Internet, segmentation, HA, traffic steering) - Cloud & Hybrid Networking: AWS / Azure / GCP Site-to-site VPN, routing integration - Network Automation: Python Certifications: CCIE Enterprise Cisco Certified Specialist – Enterprise SD-WAN Implementation CCNP Data Center CCNP Security Juniper JNCIA-Junos, JNCIA-Cloud If you share your current setup and goal, I can propose a clear and practical solution. Best regards,

@hancho6319

With an extensive background in Embedded Systems Engineering, Electrical & Electronics Engineering, and Software Engineering, I bring a unique skillset to this project. From circuit designs to sensor integrations, automation systems to hardware debugging, I'm well-versed in the fundamental components needed for a project of this nature. My proficiency with C, Arduino, ESP32, and STM32 microcontroller platforms will be crucial in building your purpose-built Wi-Fi modem. Not to mention, my experience encompasses crucial aspects such as schematic and PCB design using tools like KiCad. I understand the vital role design plays in creating a manufacturable product that meets performance targets without breaking the bank. Additionally, my knowledge of communication systems is valuable given the need for secure Wi-Fi reconnection post-dropout. Furthermore, as a Software Engineer trained in Python and experienced with Linux/Unix systems, I can effectively handle the various software aspects of this project. This includes the development of stable firmware code in addition to preparing a comprehensive setup guide and API documentation. As evidence of my capabilities in delivering projects successfully, let's not forget my 72-hour stability guarantee with zero data loss - an absolute priority here.

@Griffins07

Hello I am an expert in Esp32 wifi modules and have several WiFi based IOT projects based on it. I can help you in your project

@sandipm1307

My extensive experience as an Automation Engineer is a perfect match for your Wi-Fi Modem project. I have spent significant time working with industrial communication protocols such as Modbus TCP/RTU, which will come in handy in maintaining the local link to each prepaid electric meter. Moreover, my expertise in Python and other scripting languages will ensure a robust and well-documented firmware and full integration of your meters with the Wi-Fi modem. One of the key advantages I bring to the table is my experience in scaling industrial systems. I have worked on projects involving large numbers of devices, where reliability and throughput were paramount, just like your project with its need to handle between twenty and thirty meters at once. In addition to being well-versed in WiFi design for connectivity and data streams, I am also experienced with MQTT for efficient messaging alongside other standard protocols like Ethernet/IP that could be useful. I consider myself more than just a freelancer but a long-term partner who is committed to offering *practical* *and cost-effective* automation solutions focused on improving performance. With my proven track record in delivering results, exhaustive testing approach for zero data loss, quick reconnection times, and secure operations, I am confident that I can not only meet but exceed your core requirements while ensuring overall site efficiency.

@dnyandevpatil

I have worked with wifi so i can do it better. Even I have another wireless data transmission option which is best and more reliable than wifi. If you are ready to work, lets close the deal