Hire the Best TCP/IP Specialists
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Linux server security, firewall configuration, and DevSecOps automation for startups and small teams. Start your free trial today. Upgrade only when you're convinced. Specialties: Docker deployments, server hardening, pfSense firewall setup, CI/CD pipeline security, VPN configuration, OCI cloud, self-hosted AI agent deployment, Python automation. What I've done: - Reduced manual security log review by 40% via automated Python pipeline - Deployed zero-trust SOC architecture with Zeek, ELK, and pfSense - Hardened Linux servers, NGINX reverse proxies, and TLS configs for production environments - Set up SPF/DKIM/DMARC email infrastructure for e-commerce clients Available now. Response time under 4 hours.

Top 1% Upwork specialist in AI & Embedded Systems. I architect and build solutions using LLMs, CV, and C++/Qt on Nvidia Jetson. My focus is turning your ambitious vision into a reliable, high-performance product. As a Georgia Tech graduate with over 10 years of hands-on experience, including foundational work in the autonomous driving sector of German automotive industry, I partner directly with clients to solve their toughest technological challenges. I am committed to writing clean, efficient, and test-driven code, ensuring your project is built for scalability and long-term success. Here's where my expertise lies: ✅ Intelligent AI, LLM & Agentic Systems Generative AI & LLMs: I architect advanced solutions using the OpenAI API, Gemini, Llama 3, and custom models, specializing in Retrieval-Augmented Generation (RAG) for powerful, context-aware applications. Agentic AI: I build autonomous AI agents that can reason, plan, and execute complex tasks. Full-Stack ML: I manage the entire machine learning lifecycle, from data processing and model training (YOLO, TensorFlow, PyTorch) to robust deployment. ✅ High-Performance Computer Vision (CV) Algorithm Optimization: I have proven experience in optimizing state-of-the-art detection, tracking, and stereo vision algorithms for maximum performance on edge devices. OpenCV, NVIDIA Jetson & DeepStream: My expertise includes deploying real-time vision applications using the complete NVIDIA toolkit, including FFMPEG, GStreamer, TensorRT and DeepStream. ✅ Robust Embedded Systems & Software C++ & Qt Development: I craft high-performance, cross-platform applications with clean C++ and the Qt framework. Embedded Linux & Hardware: I am highly adept at developing for a wide range of platforms, including ROS, Nvidia Jetson, STM32/STM32MP1, Raspberry Pi, and BeagleBone. Protocol Specialist: I have worked on numerous communication protocols like CAN, CANFD, SomeIP, TAPI, Flexray, RSMP, BACnet, OPCUA, MQTT, TCP/IP, UDP/IP, RSTP, ONVIF and many others. When you hire me, you are partnering with a dedicated, top-rated expert who is personally invested in delivering results.

We build - Windows Applications (C# .net)(Desktop, Mobile, Handheld) - MS Office Add-ins (Outlook, Excel, Word etc) - Android Apps using Xamarin we handle: - MySQL, MS-SQL, SSIS - Windows Services - REST APIs (Twitter, Facebook, MailChimp, SurveyMonkey etc) - Ecommerce Integration/Automation (Shopify, Magento, MercadoLibre) - Payment Card Terminals Integration with POS (Android, Windows) - Thermal/POS/Label/Barcode Printers (Intermec, Zebra, Epson etc) - Virtual Printer Solutions - MetaTrader4 using NJ4X API - TCP/IP, WCF Server-Client Apps - Integrate: ZKTeco biometric devices, Smart Cards, RFID, GSM, GPS, RS232 devices - Hardware like Weighing Scales, Modbus devices etc. - Raspberry Pi using Mono and Windows IoT and more

Hands-on experience across STM32, ESP32, PIC, Cortex-M architectures, TI MSP430, STM8 microcontrollers, and multiple application-class processors. - Embedded software development using RTOS (C/C++) - Complete embedded system design with Hardware (PCB) and corresponding firmware - Customers get to deal with a single person for complete solution - Desktop and server development using .NET Core/Framework in C# and Java - Native android and iOS, Cross platform mobile applications (Xamarin Forms, MAUI) - Entity Framework / WCF / MSMQ / AWS services / Thingsboard integration Technical Expertise Summary: Programming Languages: C, C++, VB, C#, Java, Python Embedded Tool chains: IAR, Keil, Code Composer Studio, MPLAB, Crossworks, STM32CubeIDE, CubeCS+ for Renesas PCB Design and Analysis: Altium Designer, HyperLynx, Flotherm Embedded OS: FreeRTOS, uc-OS/II & III, TI SYSBIOS, RTKernel, ThreadX Hardware Platforms: x86, x51, Cortex-M, STM8, STM32, ESP32, TI C2000, RL78, MSP430, PIC16/18/24/33), familiar with common serial buses (SPI, I2C, CAN 2.0 Bus, CAN FD, USB, RS485/422/232). Experienced in making boot loader firmware and companion GUI software. Modules: Experienced in interfacing and using embedded modules like WIFI, BLE, GSM and RF communication (e.g. SIM900, SIM908, SIM808, ESP32, ESP8266, BM-S02, RN41, RN42, LORA RFM98, Neo6M, Digi XBee modules). Have used many of these for OTA updates. Magnetometer, Accelerometer and Gyro interfacing External Embedded Graphics Accelerators: SSD1309, Raio 8876, BT816 Debugging Tools: JTAG/ICE/ICD Debuggers (STLink V2, Pickit 3, J-Link, JTRACE, XDSxxx, ICD2/3), MSOs, Pattern Generators Database Systems: SQL Server, MySQL, Firebird, Ms Access, MariaDB, Object Box Web Programming and Technologies: ASP.NET Core, JavaScript, jQuery, Bootstrap

Professional IT Infrastructure & Technical Support Specialist | Service Desk | Microsoft 365 | Remote Support | MSP | BPO | IT Operations I am an experienced IT professional with over 16 years of experience in IT infrastructure, technical support, and service delivery. I provide reliable remote technical support and IT services to businesses and individuals worldwide. My goal is to deliver professional, reliable, and high-quality IT support services while building long-term working relationships with clients. I am available for remote projects and flexible working hours, including different time zones. I have extensive experience in technical support, Microsoft environments, networking, and remote IT management, and I am comfortable working independently or as part of a global team. Services I Provide ✔ Remote Technical Support (L1 / L2 / L3) ✔ Service Desk & Helpdesk Support ✔ Windows 10/11 Troubleshooting ✔ Microsoft 365 Administration ✔ Exchange Online & Email Support ✔ Active Directory & User Management ✔ Azure Administration ✔ Network Troubleshooting (DNS, DHCP, VPN) ✔ Server Administration (Windows Server) ✔ Remote Desktop Support ✔ IT Infrastructure Support ✔ System Installation & Configuration ✔ Remote Monitoring & Management (RMM) ✔ Security & Patch Management ✔ Zoom Webinar & Virtual Event Technical Support ✔ OBS Studio Video Support ✔ IT Documentation Technical Skills • Microsoft 365 Administration • Azure Administration • Exchange Online • Active Directory & Group Policy • Windows Server Administration • Networking (TCP/IP, DNS, DHCP, VPN) • Remote Support Tools • Service Desk & Ticketing Systems • IT Infrastructure Management • Zoom & Virtual Meeting Support • OBS Studio Professional Strengths ✔ Fast Response Time ✔ Strong Troubleshooting Skills ✔ Excellent Communication ✔ Customer-Focused Approach ✔ Reliable and Professional ✔ Available Across Time Zones I am available for short-term projects, long-term contracts, and full-time remote work. I look forward to helping your business run smoothly with professional IT support.

👈👈 Click "View Profile" on the left to see my other specialized profiles! 👈👈 With 12+ years of experience, I specialize in Windows, Linux, Network & Virtualization including VMware, Hyper-v, Proxmox and enterprise IT management to deliver secure, high-performance, and scalable infrastructures. 💻 Services that, I Provide: 1️⃣ Windows Server & Active Directory Management 🔹 Active Directory installation, Group Policies, and Trust Relationships 🔹 Windows Server (2012, 2016, 2019, 2022) – Setup, Configuration & Management 🔹 Failover Clustering for High Availability & Disaster Recovery 🔹 DNS & DHCP – Installation, Configuration & Troubleshooting 🔹 File Server & Print Server Deployment & Optimization 🔹 PowerShell Scripting for Automation & Task Optimization 🔹 Microsoft Exchange Server Administration 🔹 Exchange Server – Installation, Migration & Maintenance (2013, 2016, 2019) 🔹 Public Key Infrastructure (PKI) & Certificate Services Administration 🔹 Active Directory Certificate Services (AD CS) – Deployment & Management 🔹 SSL/TLS Configuration for Secure Communications 🔹 Windows Print Server – Installation & Configuration 2️⃣ Linux & Web Server Administration 🔹 Linux Administration – RHEL, Ubuntu, Debian, CentOS 🔹 User & Group Management – Permissions, ACLs & Access Control 🔹 Package Management – Yum, APT, DNF & Zypper 🔹 Web Servers – NGINX, Apache, IHS, OHS (Proxy & SSL Configuration) 🔹 Middleware – Tomcat, JBoss, GlassFish 🔹 System Performance Tuning – Optimization & Security Enhancements 3️⃣ Network Administration & Engineering 🔹Routing & Switching (Cisco, Juniper, MikroTik, Arista, Huawei) 🔹L2/L3 Network Design, NAT, VLAN, Trunking 🔹L4/L7 Firewall Policy Configuration (Cisco ASA, Fortinet, Huawei USG) 🔹VPN (IPSec, OpenVPN, WireGuard), Load Balancing & HA 🔹SD-WAN Deployment & NSX / NSX-T Micro-Segmentation 🔹TP-Link Omada EAP, Switch, Router Setup & Integration 🔹Network Monitoring & Optimization using SNMP, NetFlow, Syslog 4️⃣VMware, Proxmox & Hyper-V Virtualization Expertise 🔹 VMware ESXi, vCenter, NSX, vSAN & Horizon deployment and management 🔹 High Availability, DRS, VLANs, firewall rules & AD integration in VMware 🔹 Proxmox with LXC/KVM, Ceph storage & HA cluster configuration 🔹 Hyper-V setup with clustering, Live Migration & Azure hybrid integration 🔹 Veeam Backup for VMware & Proxmox with DR & secure backup planning 🔹 iSCSI/Fibre Channel SAN, snapshot management & storage optimization 🔹 Strong in VM hardening, disaster recovery & performance tuning 5️⃣ Middleware, Messaging, Database & Storage Expertise 🔹 Hands-on with Oracle WebLogic, IBM WebSphere & IBM MQ for enterprise deployments 🔹 Skilled in SSL/TLS, clustering, JDBC, JMS & thread pool tuning 🔹 Strong in log analysis, performance tuning & system hardening 🔹 Database admin for Oracle, MySQL, PostgreSQL, MongoDB & Firebase 🔹 Backup, replication & failover strategies for high availability 🔹 Expertise in TrueNAS, Nextcloud & Tailscale for secure storage 🔹 Hybrid cloud setup with file sharing, sync & redundancy features 6️⃣ System Hardening, Security Automation & AI Integration 🔹 Hardening Windows/Linux systems with Firewalld, IPTables, GPOs 🔹 Implementing NIST & CIS benchmarks, audits & patch compliance 🔹 Python/Bash scripting for automation, log analysis & threat hunting 🔹 AI/ML expertise in NLP, CNN, GNN, anomaly detection & automation 🔹 Chatbot & LLM integration for support, task automation & fine-tuning 🔹 PydanticAI for secure AI output validation & model optimization 🔹 Simulation research in AI, VANET, 4G/5G using MATLAB & OMNeT++ 🚀 Why Choose Me? ✔ 12+ years of enterprise IT experience in Windows, Linux & Cloud ✔ Proven expertise in troubleshooting & optimizing IT infrastructures ✔ Strong security focus – Ensuring system stability & compliance ✔ Efficient automation – Using PowerShell & Bash scripting 💬Just hit the CHAT button and DISCUSS your custom requirements.