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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 më pak
Punësoni servermaster
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I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense...I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense Advanced | FreeBSD Advanced | Mikrotik MTCNA MTCWE | Palo Alto Expert | | Docker | Docker Compose | Nomad | Kubernetes | Ansible Expert | Terraform | Scripting Automation | WebServer Nginx and Apache Expert | | MySQL Tune High Performance | Indexing | Tune Up | | Github Action | Gitlab Pipelines Expert më pak
Punësoni dwinurhadi
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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 më pak
Punësoni mr310
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Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols,...Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols, MPLS, VPNs, SDNs, WAN, LAN, WiFi and cloud networking. Skilled in managing server hardware and diverse operating systems including Windows, Linux, and OS X. I am proficient coding in Python, Powershell and BASH, and have extensive experience generating management and C-Level reporting with the likes of Python, PowerPoint and PowerBI. Given my scientific background I am also able to work in systems like Wolfram Mathematica and Wolfram Alpha. Renowned for ensuring network security, compliance, and operational efficiency while driving strategic initiatives to meet organizational objectives. Passionate about delivering superior solutions that exceed client expectations. më pak
Punësoni JonJoensen
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Hello and welcome to my profile! With over 10+ years of experience as a System Administrator, I specialize in a wide range of services tailored to meet your needs in the digital realm. Services Offered - Web Hosting and Cloud Solutions : I offer comprehensive solutions across various cloud platforms including AWS,...Hello and welcome to my profile! With over 10+ years of experience as a System Administrator, I specialize in a wide range of services tailored to meet your needs in the digital realm. Services Offered - Web Hosting and Cloud Solutions : I offer comprehensive solutions across various cloud platforms including AWS, Linode, DigitalOcean, Google Cloud, etc. Whether you need setup, management, or optimization, I've got you covered. Server Management : From WHM/Cpanel, CentOS Web Panel, Virtualmin to Plesk Panel Management, I ensure seamless server operation including dedicated, VPS, and shared servers. Services include setup, security, monitoring, and migration. Server Security and Optimization : I specialize in Linux and Windows server setup, along with security and optimization measures. From DDOS protection to NGINX and CSF firewall configurations, your servers are in safe hands. Email Marketing Solutions : Boost your campaigns with effective email marketing strategies. I'm proficient in various email campaign managers including Klaviyo, Active Campaign, Mautic, and more. Additional Services : 1 - Social Media Marketing 2 - On-Page SEO 3 - WordPress SEO 4 - Digital Marketing 5 - Off-Page SEO Why Choose Me? - Deep knowledge of Redhat, web hosting services, and email marketing. - Proficiency in different virtualization techniques. - Expertise in Apache, Nginx, Postfix, Exim, Bind DNS, and more. - Proven track record in delivering results and exceeding client expectations. - Dedication to providing top-notch technical support and services. I'm committed to delivering exceptional results and helping you achieve your goals in the digital landscape. Let's collaborate and take your projects to new heights. më pak
Punësoni Ashish01429
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Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed *...Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed * Mail Servers : Postfix, dovecot, Zimbra, Carbonio * DNS Servers * VPS - OpenVZ/KVM/Xen/Hyper-V/Docker/Kubernetes * Proxmox * Linux/Cpanel/Plesk/Hestia/Webmin Server Setup * Linux server setup * Windows server setup më pak
Punësoni osolight
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? Roles ? ? Agile project manager / engineering manager / lead developer / developer. ? Current availability ? ? Part-time. ? Current interests ? ? Software development productivity and good practices for small to mid-sized teams. ? Challenging projects and learning new things (any role, including...? Roles ? ? Agile project manager / engineering manager / lead developer / developer. ? Current availability ? ? Part-time. ? Current interests ? ? Software development productivity and good practices for small to mid-sized teams. ? Challenging projects and learning new things (any role, including developer). ? React.js, Angular.js, Nest.js, Express.js, Node.js, MongoDB, cloud (Docker, Kubernetes). ? Web3, DeFi, Blockchain, Fintech, Crypto. ? Experience ? ? July 2005 - current: Freelancer.com and other markets. Freelance developer. More than 400 projects successfully completed, being one of the top-rated developers. ? December 2021 - August 2023: crypto market and modern banking startup. Project manager / engineering manager / technical director directly reporting to the CEO & founders. ? March 2017 - May 2020: Power Software Consulting. Lead developer (MEAN stack) for a complex multimedia CMS. ? August 2011 - August 2014: MockupScreens.com. Project manager. ? Education ? ? 2003-2009 Public University of Spain: Technical Engineer in Telecommunications (B.Sc. Degree equivalent in the USA). ? Languages ? ? English: ? ? ? ? ? Writing: native-like. ? ? ? ? ? Speaking: good. ? Spanish: native. ? Other ? ? I have been using (GNU?/)Linux as my main OS for many years, and I have a preference for open-source software. më pak
Punësoni sergioes
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abusayed2004 abusayed2004
$40 USD / orë
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. më pak
Punësoni abusayed2004
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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 më pak
Punësoni touhidecevw
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Linux and Infrastructure expert for 10 years now. My specialties include Cpanel, Apache, Lamp area and On an enterprise level I am now working as a grid computing expert. I also have extensive knowledge of Virtualization , Hosting , Docker , Kubernetes , ansible ,Middleware. My experience imcludes Financial ,...Linux and Infrastructure expert for 10 years now. My specialties include Cpanel, Apache, Lamp area and On an enterprise level I am now working as a grid computing expert. I also have extensive knowledge of Virtualization , Hosting , Docker , Kubernetes , ansible ,Middleware. My experience imcludes Financial , Banking, Automobiles and Product industry. më pak
Punësoni arkac
