Freelancers alkalmazható
41 eredmény megjelenítése
Szponzorált szabadúszók
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abusayed2004 abusayed2004
$40 USD / óra
Asterisk PBX, SIP, Linux, Cloud, DevOps, SecurityBangladeshI 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. kevesebb
Dolgozzon vele: abusayed2004
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Any project can be bigger and successful! As a senior software engineer based on Santiago, I have over 10 years of experience in software engineering. I have worked as a senior software engineer and project manager in high-quality web and mobile applications. So I am very well versed in legacy and emerging tech...Any project can be bigger and successful! As a senior software engineer based on Santiago, I have over 10 years of experience in software engineering. I have worked as a senior software engineer and project manager in high-quality web and mobile applications. So I am very well versed in legacy and emerging tech stacks in these domains. Especially, I have tons of experience in Blockchain and DApp, Javascript-based frameworks, ASP.NET Core, and Ruby on Rails Stack. I will provide you smart and nifty Frontend UI/UX deliveries using React, Vue, Angular, Svelte, Tailwind CSS, MUI, Antd, and Bootstrap. Also, I am so familiar with Software Engineering Methodologies (DevOps, Agile/Scrum, Waterfall, and Rapid), GoF Software Design patterns, Database structure design, and Website CI/CD configuration. According to my experience, All depends on our collaboration, motivation, and doing our best for the project. My goal is to form more and more relationships with successful projects and people. So I always focus on win-win methodology - Letting both of us win in the business and life. Looking forward to working for your idea and our business. kevesebb
Dolgozzon vele: HUMMERFIRE
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I have more than 8 years of experience working on system side projects. QT, C, C++, Linux/Android system prog, device drivers and Linux & AWS server administration. I also undertake testing projects.I have more than 8 years of experience working on system side projects. QT, C, C++, Linux/Android system prog, device drivers and Linux & AWS server administration. I also undertake testing projects. kevesebb
Dolgozzon vele: gv566228
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✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean ✅VMware ESXi, VMware Workstation, VirtualBox, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration (Windows Server 2008, 2012, 2016, etc.), Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python kevesebb
Dolgozzon vele: touhidecevw
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Nliven Technologies is a Software Development & Information Technology consulting company. Founded in year 2002 we provide our services in Software Application development, Testing, Maintenance, Server Administration (including Cloud Servers), Networking Solutions, Internet Marketing, Web and Graphics Designing,...Nliven Technologies is a Software Development & Information Technology consulting company. Founded in year 2002 we provide our services in Software Application development, Testing, Maintenance, Server Administration (including Cloud Servers), Networking Solutions, Internet Marketing, Web and Graphics Designing, Domain registration and web hosting. We work on wide spectrum of technologies viz. Artificial Intelligence, Data Analytics and Insights, Data Scraping, Intelligent GPS Tracking Systems, Online Digital Publishing, ERP Applications, Social Networking Services, Content Management Systems, e-Commerce Web-applications, Hybrid Mobile Applications etc. We specialise in creating cutting edge applications for both mobile and web in cost effective and timely manner. Our core areas of expertise include: - Web application development - Mobile application development - Artificial Intelligence (AI) - Server Administration kevesebb
Dolgozzon vele: nlivenvw
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I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP...I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. kevesebb
Dolgozzon vele: MaTGaPa
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Colan Infotech is an early adopter of the developing Artificial Intelligence, Machine Learning, Data Science, Data Enginnering,Java,.Net.PHP,Testing,Mobility etc. We do Software Development, Website Designing, and Smart-phone apps development. We offer services to large enterprises, Small and Medium-size companies,...Colan Infotech is an early adopter of the developing Artificial Intelligence, Machine Learning, Data Science, Data Enginnering,Java,.Net.PHP,Testing,Mobility etc. We do Software Development, Website Designing, and Smart-phone apps development. We offer services to large enterprises, Small and Medium-size companies, and software product companies. We have a well-experienced team with strong technical background and dedicated team of professionals equipped with all required offshore project development, infrastructure and also we have associated with reputed partners in software products and technology. https://colaninfotech.com/freelancer kevesebb
Dolgozzon vele: Colaninfotech
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IT Professional with extensive experience in designing, deploying, and optimizing networks within service provider and global enterprise environments. Broad experience implementing technology and security best practices and enforcing standards compliance. Proficient not only in network technologies but also have some...IT Professional with extensive experience in designing, deploying, and optimizing networks within service provider and global enterprise environments. Broad experience implementing technology and security best practices and enforcing standards compliance. Proficient not only in network technologies but also have some network automation and Unix like system administration skills. Known for adaptability as a fast learner, capable of working under pressure to meet tight deadlines. Possesses strong analytical skills and a genuine passion for tackling and solving complex problems. Current professional interests include but not limited to: Cloud networking, network automation, Network function visualization (NVF/SDN) , network access control (NAC) kevesebb
Dolgozzon vele: miroslav64
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I'm an expert IT with more than 20 years of experience in IT industry . i'll help you to manage your IT envirement and prvide a good solutions to manage your companyI'm an expert IT with more than 20 years of experience in IT industry . i'll help you to manage your IT envirement and prvide a good solutions to manage your company kevesebb
Dolgozzon vele: mr310
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About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done kevesebb
Dolgozzon vele: servermaster
