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One stop solution for Electronic Product Development. Component selection, Circuit Design, Schematic design, PCB layout, PCB Assembling, Prototyping, Firmware development, Testing, Cloud Integration, Mobile Application Development. Expertise in IoT product development and Firmware update Over The Air (OTA). Languages: C, C/C++, Python, HTML, Javascript -> Arduino -> Raspberry Pi -> ESP32, ESP8266 (ESP-NOW, ESP-MESH, ESP-MATTER, ESP-IDF, ESP-ADF) -> NRF51822, NRF52840, NRF52832, NRF52833 -> IOT Gateways -> ROS -> Remote Monitoring & Controlling -> WiFi, BLE, Ethernet, GSM/GPRS, 2G, LTE, LORA, LORAWAN, NB-IOT, DLMS, Profibus, IEC-104 -> HMI Display GUI Development -> Nextion, DWIN Displays -> Home Assistant, ESP-HOME -> Custom webserver hosting on ESP32/ESP8266 -> UART, SPI, I2C, ADC, DAC, RS-232, RS-485 -> Micro SD, Thermal Printer, Motors, Relays, Valves -> MODBUS RTU & TCP/IP -> CANBUS -> Schematic and PCB Layout Design -> ARM Cortex M3-M4 -> STM32F1, STM32F4, TM4C123G(TIVA C) -> ATmega 8-16-32-128-256 -> Renesas RL78 Series MCUs -> PlatformIO, CubeMX, Keil, Arduino, CCS, Atmel Studio, CS+ -> Altium, Eagle CAD, KiCAD, EasyEDA

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 (BGP, OSPF, EIGRP, IS-IS, MPLS, VLANs, STP, HSRP/VRRP) Enterprise LAN & campus design - LAN Switching (Multi-Vendor): Cisco, Meraki, HP, Aruba, FortiSwitch Access/core design, redundancy, QoS, segmentation - Enterprise Wireless: Cisco WLC & APs, Cisco Meraki Wi-Fi, 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.

Top 1% in the Freelancer.com Community. I am excited to offer 16+ years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Wireless(Cisco,Unify,Grandstream,Fortigate) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC Servers) I am happily available anytime using secure remote support or walk you through the steps via Freelancer chat .I am looking to show each client my worth to build a long relationship. Get started by clicking on "Hire Me"

Some Points to Choose me: ? Available online for 24*7 for any queries and work. ? Payment after work or partial. ? 100% customer satisfaction. ? Best quality and good efficiency under your timeline. ?Understand clients requirements. ? Ability to work with deadlines My Service: @ WEB SCRAPING - Python Scripting - BeautifulSoup, Selenium, Scrapy @ API build , API integration and Payment Integration @ PDF to Excel, PDF to Word, Bank statement/Business card/CV to Excel, Hand written to word/Excel, Any kind of Copy Typing, File renaming, & Data Processing work can be done with 100% accuracy. @ Using Power BI create a report and Template Modification for Network Analysis. @ Excel service (Combine multiple sheet to master sheet, Address Shorting, Remove duplicate, Email list cleaning, Invoice making. @ Search Google for Specific Company's Website, any kind of Contract such as Contact person, email, Phone, Address & Social media Link. @ Photoshop work (Background Removal, Watermark removal etc.) @ Python Web Scraping or Crawling any website @ Web Scraping Products: (WooCommerce , Shopify, Magento, Bigcommerce... etc) @ Python Spider to render JavaScript @ Download Image Data (JPG / PNG) @ Data Scraping from Login Required websites @ Business Directories Scraping (any data with image) @ Python Web Scraping Looking forward to your projects! Thank you!

I am an Electronics and Electrical Design Engineer with the areas of expertise in Embedded System, product prototyping, PCB design and layout and firmware development for systems. I have proficiency in following software tools: 1. Altium Designer 2. Cadence ORCAD 3. KICAD 4. MATLAB 5. Mikro C (for all controllers) 6. Arduino IDE 7. Raspberry pi 8. Eagle CAD 9. KICAD 10.Proteus Design Suite I also have experience in design of IoTs. I have almost 8 years of experience in development of products including the custom electronics. I can take your project from concept to finished product. I am also experienced in working with a number of communication devices like NFC, GPS WifI, Ethernet, Zigbee, GSM and others.

12+ Years of Experience in Electronics Design & Embedded Systems fields. I provide clients with comprehensive electronic design and consultation services. I’m interested in taking the product and prototyping the concept design, along with high-quality documentation suitable for prompt manufacturing of your product. My years of consulting experience leads to accurate project evaluation and on-schedule delivery of a functional design. I have hands-on experience in Industrial Automation, Motor Drives, Renewable Energy, Audio, RF Based Design(Wi-Fi, Cellular, Bluetooth, LoRa, GPS), Automotives, and Military Aviation. I can help you choose the best components for your application area and provide the best solution from both technical and price efficiency. My professional skills: ●Excellent prototyping skills which include soldering and reworking PCBs. ●Efficient electrical evaluation, testing, and PCB troubleshooting skills ●Demonstrate skills by adopting avant-garde PCB layout and packaging techniques ●Possess great communication, client support, and organizational skills ●Expertise in electrical drawing & schematic interpretation, oscilloscopes, multimeters, data logging, and computer logging. I utilise software tools that help to deliver the project on time are- PCB Tools: ●Kicad ●EAGLE ●Altium ●EasyEda MCU: ●Arduino ●ARM MCU: STM32, NXP, ●ESP32 ●NRF52 ●Texas Instrument C2000 ●FPGA: Xilinx Spartan & Zynq Series If you have any questions, please contact me at freelancer. Thank you!

✋ Hi, I’m Mairaj Ali, a verified Electrical/Electronics Engineer and Professional PCB Designer with over 8 years of experience in designing high-quality circuit boards using Eagle, Altium, KiCAD, and EasyEDA. Also I am a professional Certified EasyEDA designer (Certificate is attached in portfolio section). My expertise lies in the following areas: ✅ PCB Design & Prototyping using Eagle, Altium, KiCAD, EasyEDA ✅ CAD/Housing Design for PCBs in Fusion360 ✅ MATLAB/SIMULINK & Python programming ✅ Embedded Systems design (Arduino, AutoCAD, Multisim, Proteus, LTspice, PSpice, C/C++) ✅ VHDL/Verilog HDL, Xilinx, and FPGA development ✅ Research & Technical Writing (Plagiarism Removal, Academic Writing, and Thesis Writing) ✅ Advanced Engineering Mathematics (Calculus, Differential Equations, Numerical Methods, Linear Algebra) ✅ Expertise in LaTeX for high-quality document formatting I am a Preferred Freelancer, ranking among the top 1% of skilled professionals. My passion for PCB design and embedded systems drives me to deliver the best solutions on time and within budget. Whether you're looking for custom PCBs, embedded solutions, or writing services, I can help you achieve your goals. Let’s turn your ideas into reality. Feel free to check my portfolio and message me to discuss your project anytime – I’m available 24/7. #PCB #PCB_designing #Electrical #Electronics #ElectricalEngineering #MATLAB #SignalProcessing #Mathematics #Latex #AutoCAD

✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication.