展示 715 结果
高级威客
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Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. 收起
雇用 udayarpandey2022
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I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer...I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer support for WHM, cPanel, Plesk, DirectAdmin, and other control panels. I can handle tasks related to VPS, VDS, VPN, VPC, and subnet setups. I excel at seamless migration from one host to another. I can configure Reverse Proxy for efficient web traffic management. I have expertise in Load Balancing for applications and websites. I can resolve PHP-related issues and extend its functionality through various extensions. I am experienced with Java Web Server (Apache Tomcat) setup and maintenance. I can assist with IIS configuration and optimization. I have extensive knowledge in debugging Ubuntu, Debian, or Debian-based operating systems. I can troubleshoot CentOS-related issues. 收起
雇用 MRARIFAKRAM
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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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I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn.I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn. 收起
雇用 ameer89898
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I have more than 10 years of expertise working with deployments of VoIP Systems and IT Solutions, Setting up IP PBX gateways based on Asterisk and FreeSwitch, integrated Systems like ViciDial/ViciBOX, FreePBX, A2Billing, ASTPP, Elastix/Isabel, 3CX, OpenVBX and Kazoo, also SMS Systems Like PlaySMS, Jazmin and...I have more than 10 years of expertise working with deployments of VoIP Systems and IT Solutions, Setting up IP PBX gateways based on Asterisk and FreeSwitch, integrated Systems like ViciDial/ViciBOX, FreePBX, A2Billing, ASTPP, Elastix/Isabel, 3CX, OpenVBX and Kazoo, also SMS Systems Like PlaySMS, Jazmin and Kannel. also got good knowledge about: PHP MYSQL HTML CSS WORDPRESS NODEJS JAVASCRIPT VPN VPS CLOUD COMPUTING UNIX/LINUX ADMINISTRATION WINDOWS ADMINISTRATION FORTINET UBIQUITI MIKROTIK CISCO 收起
雇用 gilbertarias
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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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"I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design...."I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design. I've successfully worked on a wide range of IT projects, from building and maintaining websites to crafting distinctive brand logos. In addition to my technical proficiency, I also possess a deep knowledge of financial management and accounting, making me proficient in total account management and maintenance. My multifaceted skill set allows me to offer a comprehensive range of IT and administrative services, from network setup and system administration to financial analysis and bookkeeping. I am passionate about helping businesses and organizations optimize their operations and IT infrastructure while ensuring financial stability. Let's connect and discuss how I can bring my expertise to support your specific needs." 收起
雇用 dyjibran
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We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article...We are a small team that specializes in outsourcing and digital marketing, committed to improving the efficiency and effectiveness of your business. While we can't please everyone, we have built a strong reputation in the industry. Our services include data entry, Virtual Assistant, lead mining, email sending, article writing, proofreading/editing, telemarketing, designs, and more. As an experienced BPO professional, I have worked with numerous companies worldwide in areas such as lead generation, sales, customer service/support, data entry/processing, VA, and research. Our company offers a wide range of services, including telemarketing, customer service, graphics design, logo design, branding, technical support, data entry, and more. We were featured on Freelancer a few years ago and have been a Preferred Freelancer here for several years now. If our qualifications match your needs, please consider our small company for your next project. 收起
雇用 jkaranm
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I work as a fulltime freelancer and have a masters degree in AI. I'm a fan of Blockchain and dApps and have worked on a lot of projects in AI/ML, Blockchain and fullstack web development for 14+ years. Skills: - Programming(Python/PHP/JavaScipt) - Database(MySQL/PostgresQL/MongoDB/Cassandra/DynamoDB) - Big...I work as a fulltime freelancer and have a masters degree in AI. I'm a fan of Blockchain and dApps and have worked on a lot of projects in AI/ML, Blockchain and fullstack web development for 14+ years. Skills: - Programming(Python/PHP/JavaScipt) - Database(MySQL/PostgresQL/MongoDB/Cassandra/DynamoDB) - Big Data(Hadoop/Spark/ElasticSearch) - AI(Tensorflow/Caffe/DeepMind/NLTK) - Web Development(React/Django/Flask/Vue/Nuxt/Next/JQuery/Laravel) - Blockchain(Ethereum/Hyperledger/Binance Chain) Experiments: - Amazon AWS(EC2/Lambda/Serverless apps/S3/...) - Amazon MWS API && Scraping - Social media analysis - PostGIS & PGRouting - OpenStreetMap - Odoo - Twilio & RingCentral - P2P crypto exchange - Web Scraping - Web automation(selenium) 收起
雇用 helmot
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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