Freelancers zum Anheuern
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Gesponserte Freelancer
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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 weniger
servermaster
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AwaisChaudhry AwaisChaudhry
$50 USD / Stunde
Among Top 100 on Freelancer Search out of 2MillionPakistanZAWN 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 weniger
AwaisChaudhry
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I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise...I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise extends to a wide range of Linux systems, and I am well-versed in handling various distributions, ensuring their stability, security, and performance. I have a proven track record of successfully deploying web applications, guaranteeing smooth and reliable online experiences for users. One of my core strengths lies in managing system updates and applying security patches promptly, reducing vulnerabilities and minimizing downtime. My commitment to network security is unwavering, and I implement robust measures to protect data and maintain the integrity of systems. Furthermore, my proficiency in Cisco networking solutions allows me to design, configure, and troubleshoot complex network infrastructures, ensuring seamless connectivity and optimal performance. Additionally, I have a solid understanding of HPE (Hewlett Packard Enterprise) equipment, enabling me to efficiently manage and maintain these devices to meet organizational needs. With my extensive knowledge, practical experience, and dedication to staying updated with the latest industry trends, I am well-equipped to contribute significantly to any organization's IT operations, ensuring they run smoothly, securely, and efficiently. weniger
rupa37
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As a seasoned System Administrator with over a decade of experience, I specialize in managing both Linux and Windows operating systems. My expertise is grounded in a robust skill set that spans a broad range of technical responsibilities. Key areas of proficiency include: 1- Cloud Computing: Skilled in AWS Cloud...As a seasoned System Administrator with over a decade of experience, I specialize in managing both Linux and Windows operating systems. My expertise is grounded in a robust skill set that spans a broad range of technical responsibilities. Key areas of proficiency include: 1- Cloud Computing: Skilled in AWS Cloud services, such as EC2, RDS, EBS, CDN, AS3, and VPC. 2- Virtualization Technologies: Experienced with a variety of virtualization software including Proxmox, ESXI, Xen, KVM, Virtualbox, and VMWare. 3- Server Management: Proficient in managing Web, FTP, DNS, Database, and Email Servers. 4- Security and Monitoring: Adept in securing PHP, system monitoring, hacking detection, and server cleanups. 5- Control Panels: Knowledgeable in control panels like cPanel/WHM, Plesk, Webmin, Virtuozzo, CWP, CyberPanel, and Vestacp. 6- Network Administration: Expertise in administering networks, including LANs, WANs, and VLANs. 7- Database Management: Competent in MySQL Cluster and Load Balancing. 8- Firewall Management: Skilled in firewalls such as Sophos, Pfsense, and Kerio. 9- Streaming Technologies: Proficient in setting up and managing streaming servers including 10- RTMP, WMSPanel, Nimble, HLS, and FFMPEG. 11- Containerization: Experienced with Docker installation and image setup. 12- VPN and Proxy Solutions: Proficient in configuring and managing VPN networks, including OpenVPN and WireGuard, and proxy servers such as Squid, 3proxy, and HAproxy. weniger
mrkimoz
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zeeshanhacker283 zeeshanhacker283
$10 USD / Stunde
Linux Administration| Laravel | Vuejs | Synfony |PakistanHighly skilled and experienced senior software developer with 2 years of proven track record of delivering innovative solutions in fast-paced environments. Strong expertise in full-stack development, including front- end and back-end technologies. Excellent problem-solving and leadership skills, with a focus on...Highly skilled and experienced senior software developer with 2 years of proven track record of delivering innovative solutions in fast-paced environments. Strong expertise in full-stack development, including front- end and back-end technologies. Excellent problem-solving and leadership skills, with a focus on driving team success and achieving project goals weniger
zeeshanhacker283
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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 weniger
mr310
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I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and...I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and implement medium and large scale enterprise networks. - Expertise of VPN technologies such as, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. - Routing technologies RIP, OSPF, EIGRP, ISIS, BGP, etc. - Switching technologies VLANs, STP, VTP, Etherchannel, HSRP, etc. My hands-on experience, - Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (Nexus 9000, Nexus 7000, Nexus 3000, CAT 6500, CAT 3750, CAT 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x). - Palo Alto 220, 550, 850 and 3200 and Fortigate 100E, 200E and 800E Firewalls. - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. weniger
AhmedMFakkar
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Software Engineer / Cybersecurity Specialist / Network Security Engineer / Web and Mobile Application Developer with 5+ years of experience and senior computer scientist , Certified from Cisco as a "Junior Cybersecurity analyst " and from Altair Rapidminer as "Machine Learning Professional" and "Data Engineering...Software Engineer / Cybersecurity Specialist / Network Security Engineer / Web and Mobile Application Developer with 5+ years of experience and senior computer scientist , Certified from Cisco as a "Junior Cybersecurity analyst " and from Altair Rapidminer as "Machine Learning Professional" and "Data Engineering Professional" ☑️ Linux system administration "Ubuntu, Debian, Kali and CSI Linux" ☑️ Cloud computing "Amazon Web Services, Google Cloud, Microsoft Azure , Oracle Cloud and DigitalOcean" ☑️ Database Development and Administration "Using SQL , MySQL , Python , PhpMyAdmin and PostgreSQL" ☑️ Website, server, and email migration "Apache and Nginx webservers" ☑️ Various Cybersecurity solutions from most of the security vendors products and services including but not limited to "Cisco Umbrella , Cisco ISE , Cisco Chassis , Cisco Routing and Switching ,Snort IDS/IPS , FortiSIEM ,Fortigates, IBM QRadar , Elasticsearch stack SIEM , Graylog , SPLUNK and LogRhythm" ☑️ Mobile Application Development "Native Using Kotlin or Swift" and Cross platform "Using Flutter and React Native" ☑️ Various CMS and E-commerce solutions and troubleshooting "WordPress, Joomla, Shopify, osCommerce, Zen Cart, Magento, MediaWiki, phpBB, and more" weniger
ahmedhassan52
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abusayed2004 abusayed2004
$40 USD / Stunde
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. weniger
abusayed2004
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Certified Server & Cloud Professional Architect with more than 15 years of solid expertise. I have Devops, AWS Cloud, Oracle Cloud, AZURE, Google Cloud, Linux, UNIX, Vmware, Openstack, Oracle Apps, DB and Windows Services expertise. Expertise on setup/configuration/Architect of Amazon web services(AWS), Oracle...Certified Server & Cloud Professional Architect with more than 15 years of solid expertise. I have Devops, AWS Cloud, Oracle Cloud, AZURE, Google Cloud, Linux, UNIX, Vmware, Openstack, Oracle Apps, DB and Windows Services expertise. Expertise on setup/configuration/Architect of Amazon web services(AWS), Oracle Cloud(OCI), Azure, Google, Digitial Ocean and almost all clouds as well. IT Infrastructure Cost Optimization -- Optimizing infrastructure for peak performance, security and best Cost utilization. IT Support -- Expert in resolution of Server services issues, Cloud issues, Live IT problems troubleshooting and fix with RCA. Migration Services -- Setup, Configuration & Migrations -- Expert in doing all types of server(Linux/Unix & Windows) services migration. Website, Application, Database(Oracle, MySQL, Postgresql, mongodb etc) and Mail migrations like Zimbra, exim Cpanel, Zpanel, Parallels Plesk panel, DNS setup, etc migrations. Network and Security Services -- Designing, implementing, and maintaining the security of network infrastructure. Identify and mitigate security risks, and keeping data and systems safe from cyberattacks. Configure and manage security services such as firewalls, intrusion detection/prevention systems, and endpoint security solutions. Perform penetration testing and vulnerability assessments. Mail Servers Expertise -- Zimbra, Microsoft Exchange, Office 365, Postfix, Exim, Dovecot, iRedMail, Sendmail -- Setup, Configuration, Migration on Enterprise level. Web Hosting Panel - cPanel/WHM, Direct Admin, ISPconfig, Webmin/Virtualmin, CWP, Plesk, Vestacp, Hestia -- Installation/Setup, Configuration, Migration on Enterprise level. Install, Administration & Migrations of WHM/cPanel Servers, Oracle Apex, Nominatim Server, Cacti, Nagios, Zenoss & PHPlist. Devops skills with tools like Jenkins, Ansible, Grafana, Prometheus, Terraform etc. Atlassian products Installation & Configuration like JIRA, JIRA Agile, JIRA Capture, Crowd, Stash, Confluence, Fisheye Bamboo, etc. Proactive infrastructure management for a worry-free future. Certified RHCE/RHCSA/RHCSS RHCVA, Openstack, Oracle Cloud(OCI) Professional & Mirantis Cloud Active Directory, Microsoft Exchange Administration, setup, Migration and Microsoft based server services management. I have a great academic background in Linux and Cloud as well as my experience compliments my studies. *AS AN ENGINEER, I CAN SAY NOTHING IS IMPOSSIBLE TO IMPLEMENT. FEEL FREE TO CONTACT ME ANYTIME* In addition to this, I look forward to working on your projects in your budget. weniger
amiteshojha
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