Hire the Best TCP/IP Specialists
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David C.

Bartlett, Illinois

$65/hr
5.0
221 jobs

FULL-TIME UPWORK FREELANCER. THIS IS MY DAILY JOB. I HELP RESOLVE YOUR BUSINESS'S WEB-RELATED BOTTLENECKS I work with Marketing Agencies and Small to Medium Sized businesses to provide a wide range of Wordpress related web services as well as technical consulting. What I do: I collaborate, consult, and provide support to marketing Agencies who run small to medium sized businesses that want to establish, change or refine their online identities. Wordpress Experience * Website Design from start to finish • Design and layouts using Elementor, Divi, Visual Composer, Etc • PHP Development / Debugging • Custom Plugins / Plugin modification • Theme Customization with CSS • Site optimization • Multipart Conditional Logic Forms • Site Transfers WooCommerce • Customize WooCommerce Product , Cart and Checkout Experience • Modify / Customize WooCommerce Plugins • Build custom invoicing and workflow solutions Web Hosting • Domain setups and transfers • TCP/IP / DNS / VPNs • Email spam correction Elementor and Divi Expert, Wordpress WooCommerce Web Design, PHP, HTML, and CSS with extensive experience building, supporting, troubleshooting and optimizing within the Wordpress framework. I've worked independently as a Wordpress web designer for 15 years specializing in Wordpress websites that are minimal, fast, and responsive. I can modify plugins and customize PHP to make your Wordpress site do most anything. In other roles I've provided support for TCP/IP/DNS/SMTP, web hosting services, domain transfers, email server spam correction and similar. Hire Me For: Designing, optimizing, streamlining, organizing, and otherwise making sense of websites, code, content and the like. I've thrived in website revamps where I'm given creative control or a clear concise style to follow. My sites are clean, fast, and visually appealing. Where else I do well: Before I began consulting I worked as a corporate IT Pro doing everything from desktop support to managing a service desk with staff located throughout the United States. My background as a network admin makes me well adept at working with Google Cloud Solutions and troubleshooting TCP/IP or DNS issues with email or domains Industries I've worked with: Fin-Tech Insure-Tech Real Estate Defense Contractors Online Education Architects Interior Designers References and recommendations available on request

  • TCP/IP
  • WooCommerce
  • Elementor
  • PHP
  • Divi
  • WordPress
  • DNS
  • Web Service
  • Website Optimization
  • cPanel
  • Google Apps Script
  • WordPress Development
  • phpMyAdmin
  • macOS
  • WordPress Plugin
John-Paul R.

San Antonio, Texas

$69/hr
5.0
142 jobs

Versatile and strategic IT Leader and Systems Engineer with a proven track record of directing technology operations, strategy, and security across diverse, high-stakes sectors including finance, education, and managed IT services. Adept at building and leading high-performing teams, driving significant cost reductions and revenue growth, and architecting resilient, enterprise-level infrastructure. An expert in incident management, disaster recovery, and aligning technology with overarching business goals to ensure operational excellence and security.

  • TCP/IP
  • Microsoft Exchange Server
  • Windows Server
  • Asterisk
  • Windows Administration
  • Linux System Administration
  • Network Administration
  • VMware Administration
  • VMware ESX Server
  • Mobile QA
  • Data Center Operations
  • Microsoft SharePoint Administration
  • FreePBX
  • Telecommunications Engineering
  • Blockchain
Umit K.

Naperville, Illinois

$60/hr
4.6
126 jobs

✅ Lead System Design Engineer with 14 years' of experience ✔︎ TOP RATED PLUS | 80+ happy customers 🚀 Providing turn-key solutions from idea to production: Electronics, Firmware, Mobile Software, Prototyping, and Manufacturing. HARDWARE: - Schematic Design: Digital Systems, Analog boards, Power electronics. - Environment: Altium Designer, Kicad - PCB Layout: 1 - 18 layers, 3D View, and Manufacturing Service in JLCPCB and PCBWAY - Outputs: Component selection, BOM generation, Manufacturing documents. FIRMWARE: - FPGA firmware in VHDL on Xilinx/Altera FPGA and SoC, - MCU firmware in C/C++ for ARM, ST, TI, NXP, Atmel, PIC, Arduino, PSOC, ESP32, and NRF series. - Bluetooth, Bluetooth Low Energy (BLE), and wireless module programming. SOFTWARE: - Embedded Linux Yocto, Buildroot, Busybox - Embedded coding bare-metal C, Freertos, ThreadX, UC-OS - QT C++ - Mobile apps: native apps for Android (Java) - Backend: Python - User interface (UI, UX) PROTOTYPING: - PCB Prototype manufacturing, debugging, and validation; - Consultation on any aspect of design and manufacturing. HIGHLY SPECIALIZED IN **************************************************** AUTOMOTIVE / ELECTRIC VEHICLES: - Body Control Module (BCM) - Requested Wireless System - Powertrain Engine Control Unit (Gasoline/Diesel ECU) - Door Control Unit - Canbus Gateway TCP/IP (CANFD) - Instrumental Cluster for Infotainment - Entertainment Systems with the application processor - Video capture and monitoring systems CONSUMER: - IoT projects, sensors, wearable electronics, smart-home systems - Medical Electronic Goniometer INDUSTRIAL: - High-reliability systems for critical applications (Robotics, Oil and Gas, Automation); - Micro-controller and FPGA-based control systems - Power Supplies (AC/DC/AC) and Electric Drives (240/480VAC) - MPPT and Inverter for energy conversion systems - Analog Video: CVBS, Composite, PAL, NTSC, AHD - Digital Video: CSI2, DSI, TI FPD-Link3, HD/3G-SDI WIRELESS: - Bluetooth and BLE-enabled devices (Bluetooth 4.0/4.2/5.0, BLE) - 2.4Ghz radio transmitters (WiFi, Bluetooth, Radio) - GSM Tracking system - GPS capture module - LORA Products ************************************************** *MCU* : Freescale MPC55xx/MPC56xx, ARM Cortex M3/4 - ARM A8/9, Motorola 68HC11, Motorola 68HC12, TI DSP TM320C6713, TI CC2530 8051RF Cores, iMX51/53/6/8 Multimedia Processors, TI Sitara AM335 Industrial cores, Intel Atom, Infenion TC389/399, STM32 M0/M4/F7/H7, MSP430, Ambarella S5L, Nextchip NVP6134, NVP6324 AHD, ESP32, NRF52, PSOC6. *Operating Systems* : Embedded Linux, RTOS *FPGA and SoC* : VHDL, Quartus, Xilinx ISE, Vivado. Xilinx Spartan-3/6, Zynq-7, Ultrascale MPSOC. *RADAR* : Acconeer A111, A121 Innosent SMR RFBeam CDM324 *BLUETOOTH* : TI CC series, Microchip RN42 *Communications* : TCP/IP, RS232, RS422, RS485, CAN-BUS, SPI, I2C, One wire, QSPI, Modbus *Testing* : Vectorcast, Polyspace Unit Test, QAC Statical Code Analysis *Development Environment* : CodeWarrior, Eclipse, Visual Studio, QT, Keil, IAR, Understand *Configuration management* : SVN, JIRA, IBM Rational DOORS, IBM Clearcase/ClearQuest *Specialties* : DO-178C certification, aerospace, real-time software, model-based software design, HMI design, powertrain control units, ETPU, Automotive fault management regulations (OBD, J1939) and routines, Video capturing and monitoring interfaces such as MIPI csi2, dsi, and dual lvds. Developing high-volume electronic devices, IoT products Tags: Electrical Engineer, Electronics, Hardware Design, Firmware Development, PCB Design, PCB Layout Service, Board Layout, Schematics, Altium Designer, IoT, Internet of Things, Power Electronics, Bluetooth, BLE, TI, Texas Instruments, Freescale, NXP, FPGA, SoC, VHDL, Verilog, Xilinx, Altera, VHDL, C, C++, MCU, RTOS, Microcontroller, prototype, validation, Enclosures, BMS, SolidWorks, Android, Java, Mobile Apps, Database, Python. Services: - Embedded software design in C/C++, - PCB schematics and layout design, all fabrication outputs will be provided, - GUI design with Qt C++, - Embedded component search, - Engineering system design, - Android and IOS application development for Embedded devices, - IoT, Gateway, PLC automation for industry-grade projects, - Embedded Linux device driver, root file system, video streaming, qt embedded, etc. - Camera and video monitoring system design - FPGA SW design - Hardware Design/Component BOM - Turnkey Product Design

  • FPGA
  • Embedded C
  • J1939
  • STM32
  • C++
  • Embedded System
  • Embedded Linux
  • Automotive
  • Power Electronics
  • Microcontroller
  • Hardware Design
  • PCB Design
  • Qt Framework
  • Altium Designer
  • ESP32
Marty L.

Rochester, New York

$120/hr
4.6
176 jobs

Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I have a great deal of expertise in: * real time embedded systems * cross compilation/software construction * source control * network programming * system administration * kernel level programming/device drivers * image processing * performance and metrics

  • TCP/IP
  • DHCP
  • Unix System Administration
  • Object-Oriented Design
  • Version Control
  • Assembly Language
  • Git
  • FreeBSD
  • Driver Development
  • Linux System Administration
  • Embedded Linux
  • Agile Software Development
  • Apache Subversion
  • C
  • Image Processing
Goran M.

Rockfield, Kentucky

$50/hr
5.0
120 jobs

System Administrator I work with virtualization, self-hosted services, storage and backups and on-premise cloud infrastructure. 🔹 Areas of Expertise: Virtualization 🔹 Proxmox HA clusters with Ceph storage for redundancy and scalability. 🔹 FreeBSD with vm-bhyve hypervisor. 🔹 XCP-ng. Networking & VPNs 🔹 Setting up and managing MikroTik and pfSense firewalls. 🔹 Configuring Wireguard and OpenVPN solutions for remote access across businesses. 🔹 GL-iNet travel routers for Digital Nomad VPN solutions. Self-Hosting & Custom Server Solutions 🔹 Managing self-hosted applications like Nextcloud, Seafile, and WordPress and others. 🔹 Configuring Nginx and Apache servers for web hosting. NAS & Storage Solutions 🔹 Setting up and managing TrueNAS, Synology, and Unraid. 🔹 Configuring ZFS-based storage solutions for redundancy and performance. 🔹 Implementing NFS, and SMB shares. Storage & Backup Strategies 🔹 Implementing Rsync, Rclone, and Syncthing for data synchronization and backups. 🔹 Managing ZFS-based storage for redundancy and backup. Remote Access & Virtual Desktop. 🔹Apache Guacamole, KasmVNC, NoMachine. Cloud 🔹 Working with AWS and Oracle Cloud. Technical Expertise: 🔹 Operating Systems: FreeBSD, Ubuntu, Debian. 🔹 Virtualization & Containers: Proxmox, vm-bhyve, XCP-ng, Docker. 🔹 Networking & Security: MikroTik, pfSense, WireGuard, OpenVPN. 🔹 NAS & Storage: TrueNAS, Synology, Unraid, ZFS, NFS, SMB. 🔹 Storage & Backups: TrueNAS, Synology, Unraid, Rsync, ZFS. 🔹 Web & Cloud Services: Nginx, Apache, AWS, Oracle Cloud.

  • WordPress
  • NGINX
  • FreeBSD
  • Debian
  • Linux
  • System Administration
  • OpenVPN
  • Ubuntu
  • Virtualization
  • VPN
  • Proxmox VE
  • Server Virtualization
  • PfSense
  • Ceph
  • Docker Compose
Gentris L.

Placerville, California

$60/hr
4.8
31 jobs

Senior Software and Hardware Engineer Ready to Elevate Your Project. With over 12 years of experience in large-scale, enterprise software and hardware projects, I bring a unique skill set and a proven track record of delivering high-quality, innovative solutions to some of the industry's most complex problems. Software: 🌐 Web (Frontend + Backend) 📱 Mobile (iOS/Android): Native and hybrid frameworks ⚙️ Embedded Systems: C, C++, Rust firmware 🔒 Security and Penetration Testing Hardware: 🧩 Printed Circuit Board (PCB) Design and Assembly 📟 ESP32, STM32, Raspberry Pi board design 📡 WiFi + Bluetooth Antenna and Firmware Development 🔐 Hardware Level Encryption I put really high attention to detail and always strive to build the most perfect product within the given deadlines, without compromise. For more, please see my portfolio and some of my work down below. Thanks!

  • Python
  • Computer Network
  • Web Development
  • iOS Development
  • Database Management
  • Android App Development
  • Desktop Application

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