展示 88 结果
高级威客
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I am currently seeking long-term remote and onsite job opportunities. With 13 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 customization. I...I am currently seeking long-term remote and onsite job opportunities. With 13 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 customization. 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: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - 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. 收起
雇用 abusayed2004
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farooqtahir2013 farooqtahir2013
$50 美元/小时
✅ Network|System|VoIP|Cloud|DevOps|Security ExpertPakistanI am Network, Cybersecutiy, VoIP and System Engineer with over 10 years of professional experience. I have a demonstrated history of working in the field information technology and services industry. I have worked with both small and enterprise-sized companies to plan, design and implement the Network...I am Network, Cybersecutiy, VoIP and System Engineer with over 10 years of professional experience. I have a demonstrated history of working in the field information technology and services industry. I have worked with both small and enterprise-sized companies to plan, design and implement the Network infrastructure. I have worked with a wide verity of vendors such as Cisco, VMware, IBM, Mikrotik, Ubiquiti, Lenovo, Fortinet, Palo Alto, Pfsense and Microsoft etc. I make sure to design and recommend things based on best practices. I possess the following expertise: ✅Network administration (Routing, Switching, VPNs). ✅VOIP (FreePBX, 3CX, Vodia, Asterisk and Cisco CUCM,CME ). ✅Wireless (Cisco, Ubiquiti, Aerohive, TPlink, Mikrotik). ✅Security (Cisco ASA, Fortinet , Palo Alto, PFsense, opnsense). ✅Virtualization (VMware, Microsoft HyperV, Proxmox). ✅System administration (Microsoft and Linux servers.) ✅Cloud computing, dedicated servers and VPS (OVH, Google, AWS, Digital ocean etc) Looking forward to working with you. Why Choose Me? ✅24 hours availability ✅Quick response ✅100% Project Delivery 收起
雇用 farooqtahir2013
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With over 25 years of experience, I've had the opportunity to work extensively across a broad range of technologies and solutions. My expertise spans: Web Hosting Apache HTTP Server, Nginx, Microsoft Internet Information Services (IIS), LiteSpeed, Caddy, Apache Tomcat Application Servers Apache Tomcat, JBoss...With over 25 years of experience, I've had the opportunity to work extensively across a broad range of technologies and solutions. My expertise spans: Web Hosting Apache HTTP Server, Nginx, Microsoft Internet Information Services (IIS), LiteSpeed, Caddy, Apache Tomcat Application Servers Apache Tomcat, JBoss (WildFly), WebLogic Server, WebSphere Application Server, GlassFish, Oracle Application Server Databases MySQL, PostgreSQL, Microsoft SQL Server, Oracle Database, MongoDB, MariaDB, SQLite File and Mail Servers Samba, vsftpd, ProFTPD, Network File System (NFS), Microsoft Windows Server, Postfix, Sendmail, Exim, Microsoft Exchange Server, Zimbra, Dovecot Proxy Servers Squid, HAProxy, Nginx, Varnish, Apache Traffic Server Virtualization and Containers VMware vSphere, Microsoft Hyper-V, Oracle VM VirtualBox, KVM (Kernel-based Virtual Machine), Docker, Kubernetes, Podman, LXC (Linux Containers), rkt (Rocket), containerd, cri-o, OpenShift, Docker Swarm, Vagrant, Nomad Communication and Collaboration Tools Jabber/XMPP (Openfire), Mattermost, Rocket.Chat, Microsoft Teams, Slack (Enterprise Grid), Discord Media Servers Plex Media Server, Jellyfin, Emby, Wowza Streaming Engine Backup and Monitoring Solutions Bacula, Amanda, Acronis Backup, Veeam Backup & Replication, Nagios, Zabbix, Prometheus, ELK Stack (Elasticsearch, Logstash, Kibana) Directory Services Microsoft Active Directory, OpenLDAP, 389 Directory Cloud Platforms Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), IBM Cloud, Oracle Cloud, Salesforce Cloud, VMware Cloud, Alibaba Cloud Hosting Control Panels cPanel, DirectAdmin, Plesk, Webmin, Virtualmin, ISPConfig, Ajenti, Vesta Control Panel, CentOS Web Panel (CWP), ZPanel Clients can expect robust, scalable, and secure network solutions, delivered with the highest level of professionalism. 收起
雇用 Adminical
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I create AV projects, program AV systems (crestron, qsc, extron, biamp...). Local and remote support for AV installationsI create AV projects, program AV systems (crestron, qsc, extron, biamp...). Local and remote support for AV installations 收起
雇用 rafaelfozzy
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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...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" 收起
雇用 RafimKs
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ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch...ZAWN Tech is an IT company based on Certified Programmers providing all kinds of IT solutions since 2014. Our skills are: Blockchain: Metaverse, Web3, NFT, NFT Games, Smart Contract, White Paper, Blockchain (Eth, WAX, Solana, BSC, Polygon), Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP, (Frontend,Snipper,Sandwitch Bots) Web: Core: HTML, CSS, WordPress, PHP (Magento, Cakephp, Codeigniter, Symfony, Laravel), Javascript (MEAN+MERN), React.js, Angular, node.js, Express.js, Vue.js, D3.js, Three.js, Ruby on Rails, ASP.NET, AJAX, MVC, VB.NET, WPF, CMS, JSON, Docker, Odoo, RESTful API Gobiflow, Podio, Bubble.io, Webflow eCommerce: Woo+BigCommerce, Shopify, Ecwid, Shopware, Prestashop, Joomla, Drupal, Zoho, Odoo, WHMCS, Yii, vTiger, Suite/SugarCRM Desktop: Java, Python, C#/C++Programming, Delphi, Qt++, VB, Golang Design: Photoshop, Illustrator, Figma Game Development: WebGL, Html5, Unity3d, 3d Max, 3d Maya, Unreal Engine 4/25. UE5, Godot Mobile: Android, iPhone, PhoneGap, Ionic, Cordova, React Native, Xamarin, Flutter, AR/VR Calling: Twilio, Nexmo, Voip, Sip, Asterisk, FreePbx, Freeswitch. Trading: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, NinjaTrader, Tradingview, Binance, Kucoin, Interactive Broker, Iqoption, Fxtm Apis Computer Vision: Machine Learning, Artificial Intelligence, OpenCV, OCR, Tensorflow, GPT-3, GPT-4, Jetson Nvidia, YOLO, Chatbot, ChatGPT, OpenAI Hardware: Embedded System, Arduino, Matlab, Raspberry Pi, Esp32 收起
雇用 AwaisChaudhry
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I am Sherman and Full Stack Web Blockchain Mobile Game Developer with 8+ years of industry experience with a lot of High Quality work, and the fastest Support. I have built strong expertise and skills in Game and AR/VR App Development, manage Hosting, VPS, Linux, AWS, Corporate Networking, Support &...I am Sherman and Full Stack Web Blockchain Mobile Game Developer with 8+ years of industry experience with a lot of High Quality work, and the fastest Support. I have built strong expertise and skills in Game and AR/VR App Development, manage Hosting, VPS, Linux, AWS, Corporate Networking, Support & Maintenance. ? Web Development ? Backend : PHP (CodeIgniter, Laravel, Wordpress), Node.js, Python(Django) ? Frontend : Angular, React, Vue, jQuery, Dart ? Blockchain ? Ethereum, Smart Contracts, Solidity, Truffle, Web3.js, ERC20 Tokens, ERC721 Tokens, ERC1155 Tokens, DApp ? DeFi, NFT works, ICO with Rust, Golang, Move ? Mobile App development ?Native (Swift, Java, Kotlin) ?Hybrid (Flutter, React Native, IONIC) ? Game Development ? Unity 3D, Unreal Engine, Roblox Studio, Play Canvas ? AR ? ARKit, ARCore, AR Foundation, Vuforia, Easy AR, 8thWall ? VR ? HTC Vive , Oculus Rift, Oculus Quest, Oculus Go, Samsung Gear VR, Google Cardboard, Leap Motion, Kinect V2 收起
雇用 Mobilehead
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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. 收起
雇用 ITBC2019
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CCIE Voice/Collaboration # 42303, Senior Systems Engineer / Solution Consultant with over 15 years of experience in designing, implementing and supporting Network, VOIP, Unified Communications, Contact Center (UCCE/UCCX), Cisco Telepresence (Video Conferencing) and Security Solutions.CCIE Voice/Collaboration # 42303, Senior Systems Engineer / Solution Consultant with over 15 years of experience in designing, implementing and supporting Network, VOIP, Unified Communications, Contact Center (UCCE/UCCX), Cisco Telepresence (Video Conferencing) and Security Solutions. 收起
雇用 vw835430vw
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Hi, I'm Omar Faruk, CEO of Itblast Limited, the number one IT company in Bangladesh. With expertise in web development, animation, and graphic design, I specialize in PHP, HTML, Javascript, and Python. I'm also skilled in Linux and Excel system administration using Linux, Magneto, and After Effects, among many other...Hi, I'm Omar Faruk, CEO of Itblast Limited, the number one IT company in Bangladesh. With expertise in web development, animation, and graphic design, I specialize in PHP, HTML, Javascript, and Python. I'm also skilled in Linux and Excel system administration using Linux, Magneto, and After Effects, among many other tools. With years of experience under my belt, I pride myself on delivering high-quality work that meets my clients' needs. If you're looking for a skilled and reliable freelancer who can bring your projects to life, look no further than me. My approach is all about collaboration - I believe that the best results come from working closely with my clients to understand their needs and preferences. I pride myself on my attention to detail, and am committed to delivering high-quality work that meets the highest standards. In addition to my technical skills, I'm also a great communicator and problem-solver. I'm always happy to answer questions, offer suggestions, and work through challenges to make sure that my clients are completely satisfied with the final product. If you're looking for a reliable, skilled freelancer who can help you take your business to the next level, I'd love to hear from you. Let's work together to create something amazing! 收起
雇用 OmarFarukBD
