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Hire engkarimismail
engkarimismail engkarimismail
$50 USD / hour
✅Senior Network & System Engineer | Security|VOIP✅Malaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva less -
Hire rashidamjad
Rashid Tech Solutions is a systems-focused engineering and development company with 5+ years of hands-on experience across software, cloud, automation, electronics and embedded systems. We build reliable solutions where software, hardware and cloud technologies work together smoothly. Core Expertise Web, SaaS &...Rashid Tech Solutions is a systems-focused engineering and development company with 5+ years of hands-on experience across software, cloud, automation, electronics and embedded systems. We build reliable solutions where software, hardware and cloud technologies work together smoothly. Core Expertise Web, SaaS & UI/UX: PHP, Python, JavaScript, TypeScript, React, Node.js, Laravel, Django, Next.js, .NET, SQL, WordPress, Webflow, Wix, responsive websites, dashboards, portals, APIs and UI/UX. eCommerce & Payments: Shopify, WooCommerce, Magento, PrestaShop, Stripe, PayPal, subscriptions, checkout, shipping, inventory and ERP/accounting integrations. Mobile & Desktop Apps: Android, iOS, Flutter, React Native, Python, .NET/WPF, Electron.js, APIs, databases and integrations. Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, CI/CD, GitHub, GitLab, Linux, Windows Server, Nginx, Terraform, Ansible, VPS, monitoring, backups and security. Automation & Integrations: Zapier, n8n, Make.com, Power Automate, Airtable, Brevo, Stripe automation, APIs, webhooks, bots, CRM automation and data sync. Enterprise Solutions: Odoo, Zoho, Salesforce, Dynamics 365, SharePoint, Power BI, Power Apps, Microsoft 365, CRM/ERP, Business Intelligence and dashboards. Accounting, Payroll & Excel: QuickBooks, Xero, payroll, invoicing, Teams integrations, Excel, VBA, Power Query, dashboards, financial models, reporting and API/database integrations. Electronics, PCB, Embedded & IoT: PCB design/layout, schematics, firmware, STM32, ESP32, Arduino, Raspberry Pi, ARM, RTOS, I2C, SPI, UART, BLE, WiFi, MQTT, NFC, LoRa, Zigbee and RF. PLC, SCADA & Industrial Automation: PLC, SCADA, HMI, instrumentation, motor/control systems, robotics, machine vision, motion control and equipment integration. Mechanical CAD/CAM & CNC: SolidWorks, Fusion 360, AutoCAD, CATIA, Siemens NX, Mastercam, 3D CAD, assemblies, enclosures, sheet metal, DFM, CNC, toolpaths and G-code. AI & Computer Vision: Generative AI, LLMs, AI agents, chatbots, Machine Learning, TensorFlow, OpenCV, OCR, object detection, image recognition and video processing. Blockchain & Trading: Smart contracts, DApps, Ethereum, BSC, Polygon, Solana, MT4/MT5, MQL4/MQL5, TradingView, Pine Script, Binance, broker APIs, EAs and trading bots. Marketing & Automation: Google Ads, conversion tracking, Google Analytics, technical SEO, YouTube optimization, TikTok content, video editing, Brevo, HubSpot, Zoho, Zapier, Make.com, Airtable, email campaigns and lead workflows. Networking & Communications: VPN, firewall, SSL, DNS, Active Directory, OpenVPN, VoIP, SIP, Asterisk, PBX, WebRTC, virtualization and system administration. Team & Delivery: Our multidisciplinary team covers software, cloud, electronics, embedded systems, automation and engineering. I personally oversee communication, technical direction and delivery. Post-Delivery Support: Documentation, fixes and ongoing support are available after handover. less -
Hire osmanbsd
AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL,...AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL, 802.1Q, Ethernet 802.3 802.2, Ether channel, PPP, HDLC, Frame Relay, ATM, IMA, PPPoE, BGP v4, Net-Flow, WCCP, E-1, STM-1 Linux and Unix Type Operating Systems --------------------------------------------------------------- CentOS, Alma Linux, CloudLinux, Ubuntu, Debian, Sun Solaris 8, 9, 10 (Sparc and Intel) FreeBSD 4.x - 8.x OpenBSD Cloud / Amazon AWS Technologies --------------------------------------------------------- S3, EC2, VPC, RDS, Autoscaling, IAM, ELB/NLB, EFS, Lightsail, SES, WorkMail, Cloudfront, Snowball, SnowballEdge, DataSync Webhosting Control Panels / Software ------------------------------------------------------------- Cpanel/WHM, Plesk, CyberPanel Apache, Nginx, lightspeed, php-fpm Services Platforms ------------------------------ Cloudflare, Rackspace, Sendgrid, Brevo/SendinBlue, Mailgun, Godaddy, namecheap, Hostgator, namesilo, Ongage, Active Campaign, Google Workspace, Microsoft365, Squarespace, Wix, Ongage, Zoho, Klaviyo, customer.io Email Marketing Frontends ------------------------------------------- Mailwizz, Acelle Mail, Mumara, Mautic, Interspire, Octecth Oempro, 12all/Active Campaign SMTP Servers ----------------------- Postfix, Qmail, Exim, PowerMTA, KumoMTA, OpenDKIM, MailCow Virtualization / Containers ------------------------------------------ VMWare ESXi, VirtualBox, Citrix XEN Server 5.5, Citrix XEN App 5 / Presentation Server, Solaris zones, Open VZ, XEN Opensource, Docker Web/Scripting/Programming Languages ----------------------------------------------------------------- Perl, Bash shell, PHP, AWK, HTML, CGI, SQL, TSQL, Java less -
Hire lm085
I'm an aspiring cybersecurity specialist with a strong interest in system administration, networking, and cybersecurity. I have completed Cisco Networking Academy courses in Networking Basics and Introduction to Cybersecurity and continue to improve my skills every day. Currently, I work with Linux, Bash, Wireshark,...I'm an aspiring cybersecurity specialist with a strong interest in system administration, networking, and cybersecurity. I have completed Cisco Networking Academy courses in Networking Basics and Introduction to Cybersecurity and continue to improve my skills every day. Currently, I work with Linux, Bash, Wireshark, Cisco Packet Tracer, Nmap and C++, building practical projects and learning through hands-on experience. I can help with: • Network Exposure Assessment; • SSH Security Audit & Hardening Review; • Checking Network Access & Firewall Rules; • Linux Installation & Basic Configuration; • Bash Scripting & Task Automation; • PC Software Installation & Setup; • Wireshark Packet Analysis; • C++ Console Applications; I already have experience with the things mentioned above. I want to learn more and gain more practical experience to help improve your security. Text me, and if there’s something I can’t do, give me two days and I’ll become an expert in it. less -
Hire abusayed2004
abusayed2004 abusayed2004
$50 USD / hour
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP, IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. less -
Hire rezaferd
Linux, DNS Server, Web Server, Database Server (Mysql), Mail Server, Installation Hardware and Software, Networking, Mikrotik, Cisco Product, IPPBX, VOIP.Linux, DNS Server, Web Server, Database Server (Mysql), Mail Server, Installation Hardware and Software, Networking, Mikrotik, Cisco Product, IPPBX, VOIP. less -
Hire dylee4722
I build software where performance, reliability, and hardware level control actually matter. I’m a Senior Software Developer specializing in C++, Embedded C, and systems level software, with experience building reliable applications, embedded systems, device software, and performance critical solutions. I work close...I build software where performance, reliability, and hardware level control actually matter. I’m a Senior Software Developer specializing in C++, Embedded C, and systems level software, with experience building reliable applications, embedded systems, device software, and performance critical solutions. I work close to the hardware when needed, while also bringing modern software engineering practices to architecture, APIs, testing, debugging, and deployment. CORE EXPERTISE C / C++ Development • Modern C++ • Embedded C • Object oriented and low level programming • Memory management • Multithreading and concurrency • Performance optimization • Data structures and algorithms • Cross platform development • Debugging and troubleshooting Embedded Software • Firmware development • Microcontroller programming • Hardware and software integration • Device drivers • Communication protocols • Real time systems • Interrupts, timers, and peripherals • Memory constrained environments • Hardware debugging Systems and Connectivity • UART / SPI / I²C • CAN / CAN FD • TCP/IP • Bluetooth / BLE • Ethernet • Serial communication • REST and API integration Additional Software • Linux • Windows • Python • JavaScript / TypeScript • React • Node.js • REST APIs • SQL / NoSQL databases • AWS / Azure Cisco Networking • Cisco router configuration and troubleshooting • TCP/IP networking • IPv4 / IPv6 • Subnetting and IP addressing • VLANs and inter-VLAN routing • DHCP and NAT • Access Control Lists (ACLs) • Static routing • OSPF • Ethernet networking • Network troubleshooting • Network device integration • Basic VPN configuration WHAT I CAN HELP YOU BUILD • Embedded firmware from scratch • C and C++ applications and libraries • Hardware control and device software • IoT and connected device systems • Real time and performance critical applications • Device communication and protocol implementations • Legacy C/C++ modernization • Debugging memory, concurrency, and performance issues • Embedded to cloud integrations • Desktop and backend applications that communicate with hardware WHY CLIENTS HIRE ME Some software problems cannot be solved effectively with another high level framework. When performance, memory usage, latency, hardware access, or deterministic behavior matters, C and C++ are often the right tools. I focus on understanding the complete system, including hardware, firmware, software, communication, performance, and reliability, rather than treating each layer as an isolated piece. Whether you are developing a new embedded product, maintaining an existing C/C++ codebase, connecting hardware to software, or solving a difficult performance problem, I can work from the low level implementation through the higher level application layer. I build software that is efficient, reliable, maintainable, and designed to work in the real world. less -
Hire venplura
I’m an experienced software developer with a strong background in building reliable, efficient, and user-friendly software solutions, from mobile and web applications to custom software and games. Since I’m new to this platform, I’m currently offering my services at a reduced rate, while keeping my commitment to...I’m an experienced software developer with a strong background in building reliable, efficient, and user-friendly software solutions, from mobile and web applications to custom software and games. Since I’m new to this platform, I’m currently offering my services at a reduced rate, while keeping my commitment to quality, clear communication, and on-time delivery the same. I can help turn your idea into a complete, polished product. Whether you need a mobile app, web application, desktop software, automation system, API integration, or a full-featured game. I’m comfortable working with both established technologies and modern frameworks, and can adapt to the requirements of your project. If you’re looking for a developer who takes pride in their work, values collaboration, and delivers results that align with your goals, I’d be excited to help bring your project to life. 💡 Key Expertise: 📱 App Development — Mobile, web & cross-platform applications; React, Vue.js, Next.js, Flutter, Tailwind CSS 🎮 Game Development — 2D & 3D games, gameplay systems, multiplayer experiences, UI/UX, game mechanics, and cross-platform development using major game engines and technologies 🤖 AI & Automation — n8n, Power Automate, OpenAI / GPT Workflows 🔗 API & Backend Development — REST APIs, Webhooks, Supabase, Firebase, Node.js, Express, Java, PHP ☁️ Cloud & Databases — AWS, Supabase, MySQL, PostgreSQL 🎨 UI/UX & Design — Modern, intuitive, responsive interfaces and user experiences Whether you’re starting with an idea, need a specific feature developed, or want to build an entire product from the ground up, I can help take your project from concept to completion. Message me for a FREE consultation. Let’s make your vision a reality! less -
Hire pruthvirajc4
I am an IT Trainer and Cloud & Network Engineer with 3+ years of teaching experience and hands-on expertise in Networking, Cloud Computing, Cybersecurity, and Technical Training. I specialize in designing practical labs, creating professional technical documentation, and delivering easy-to-understand learning...I am an IT Trainer and Cloud & Network Engineer with 3+ years of teaching experience and hands-on expertise in Networking, Cloud Computing, Cybersecurity, and Technical Training. I specialize in designing practical labs, creating professional technical documentation, and delivering easy-to-understand learning content. My technical expertise includes AWS Cloud, CCNA, CompTIA A+, CompTIA Network+, Cyber Security Fundamentals, Computer Hardware & Troubleshooting, and C Programming. I also have experience building modern websites and web applications, creating AI-powered tools, and developing professional resumes, portfolios, and educational platforms. I focus on delivering high-quality, reliable, and well-documented solutions that are practical, user-friendly, and tailored to client requirements. Whether it's cloud architecture guidance, networking projects, technical documentation, website development, or IT training materials, I am committed to providing excellent results with clear communication and on-time delivery. Core Skills: - AWS Cloud (EC2, S3, IAM, VPC, Load Balancer, Versioning) - Cisco Networking (CCNA, Packet Tracer Labs, Routing & Switching) - CompTIA A+ & Network+ - Cyber Security & Security Awareness Training - Website & Web Application Development - AI Tools & Prompt Engineering - Resume & Portfolio Development - Technical Documentation & Study Notes - IT Training & Course Content Creation less -
Hire ITBC2019
Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless,...Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless, Linux/Unix/Windows Servers Management, and many other IT topics (like PHP, Apache, Nginx, MySQL, Magento, PrestaShop, Wordpress, etc.) I've experience with Google Cloud Services, Digital Ocean, Amazon Web Services, Microsoft Azure. Entrepeuner in a small IT company (IT Business Corp.) with more 15 years in local market. I have expectations of new and challenging projects. Available 7 days a week to attend emergencies and specific technical assistance situations. Technical responsibility and ethical commitment in the fulfillment of the requested services. less
