展示 1285 结果
高级威客
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I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP...I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft®, Google Cloud Platform(GCP). ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Web servers: IIS, APACHE, NGINX ✅Scripting: PowerShell scripting, Bash Scripting ✅Containers: DOCKER, Windows Subsystem for Linux (WSL). ✅Backup Systems Veaam Backup, Iperius Backup, UrBackup. ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Database servers: MySQL, PostgreSQL ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅NAS: FreeNAS, TrueNAS ,Synology, QNAP, Buffalo ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: WHM-cPanel, PLESK, CyberPanel, aaPanel Why Choose Me? ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** 收起
雇用 AZTURK1
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Thanks for stopping by my Profile! I am a well-qualified FullStack Engineer familiar with wide range of programming utilities and languages. Knowledgeable of backend and frontend development requirements. Handles any part of the process with ease. Collaborative team player with excellent technical abilities...Thanks for stopping by my Profile! I am a well-qualified FullStack Engineer familiar with wide range of programming utilities and languages. Knowledgeable of backend and frontend development requirements. Handles any part of the process with ease. Collaborative team player with excellent technical abilities offering 10 years of related experience. - Programming Languages : JavaScript, C#, Java, Python, CSS, HTML5, HTML6, C++, TypeScript - Frontend React, Redux, React Native, Angular, Vue.js, Flutter, Jquery, Ember.js - Backend Node.js, Django, Express.js, ASP.NET, Ruby on Rails, Laravel - DevOps & System Amazon Web Service, Azure, Linux System Administration - Database MongoDB, MySQL, MariaDB, PostgreSQL, Oracle, SQL Server, Redis, Firebase - Security Cyber Security, System security - OpenAI Building ChatBot using OpenAI models, Fine Tuning, Training Dataset, Voice Chatting As you can see, I am well adept at working with all the relevant platforms, and if you’re interested in getting an idea of how I work and what I create, feel free to reach out via Freelancer! I'm always available through message and am happy to give free consultations and proposals for all new and returning clients! 收起
雇用 mogsten
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Founder of a C-Corp in the US 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...Founder of a C-Corp in the US 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" 收起
雇用 ahmedhassan52
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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. 收起
雇用 rupa37
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PREFERRED DEVELOPER IN FREELANCER.COM Fast and efficient python and web development programmer. working hard at good price. I did lots of small and large project in, Django, Vue, Scrapy, Android, Node.js, Phaser.js HTML5 game library, Backbone.js, Underscore.js , Bootstrap. Translate Multiple books in Persian...PREFERRED DEVELOPER IN FREELANCER.COM Fast and efficient python and web development programmer. working hard at good price. I did lots of small and large project in, Django, Vue, Scrapy, Android, Node.js, Phaser.js HTML5 game library, Backbone.js, Underscore.js , Bootstrap. Translate Multiple books in Persian language. I developed RTL and Localized app in RTL Language like Arabic and Persian. Programming website crawlers, setup WSGI with Nginx and Apache. Voip projects and PBX using Opensips and FreeSwitch Key facts: o Over 90 successfully completed projects, o Translate Multiple book in AI, CV and Image Processing. o Successful apps on the marketplaces, (Local West Asia Android market place) o Software Development - over 10 years, o Mobile Software Development (including Android and HTML5 APP) - over 5 years, o Web Development (including Python, Ruby, NodeJS and Java) - over 10 years. 收起
雇用 devops724
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I am a seasoned Linux System Administrator with a strong focus on web hosting services and IT support. My expertise lies in optimizing Linux-based web servers, MYSQL tuning, troubleshooting, and disk management. I offer a comprehensive repair service and can install and configure a wide range of software on your...I am a seasoned Linux System Administrator with a strong focus on web hosting services and IT support. My expertise lies in optimizing Linux-based web servers, MYSQL tuning, troubleshooting, and disk management. I offer a comprehensive repair service and can install and configure a wide range of software on your server, including webservers, IP telephony, and video conferencing tools. I am proficient in cPanel, Plesk, Webmin, and various other control panels. With a deep understanding of various CMS platforms such as Wordpress, Prestashop, Joomla, Bitrix, and Magento 2, I provide efficient debugging and repair services. I also offer a robust monitoring service to ensure optimal performance and security. In addition, I have a solid understanding of networking protocols and services, and I am well-versed in cybersecurity best practices. My commitment to quick response times and high-speed service delivery sets me apart in the field. I am dedicated to providing top-notch solutions tailored to the unique needs of each client. 收起
雇用 sukh0v
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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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Hello, I have 13 years of experience in Information Technology and I have always been working in the cloud, infrastructure and DevOps areas. I've been working with infra as code, automation, docker, kubernetes, terraform, among other technologies, just as I've always been working with databases (Postgres, MySQL,...Hello, I have 13 years of experience in Information Technology and I have always been working in the cloud, infrastructure and DevOps areas. I've been working with infra as code, automation, docker, kubernetes, terraform, among other technologies, just as I've always been working with databases (Postgres, MySQL, mongodb) and the main cloud providers (AWS, Google Cloud, Azure, Digital Ocean). I am available to work immediately. 收起
雇用 pedro002
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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 收起
雇用 touhidecevw
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Hi, Everyone. I am a Top Rated Plus freelancer. Are you in tough times? You've got solution. In the past 15years, as a system admin(linux/windows/apach/nginx expert) experienced in PHP(OOP conceptions), I have been working vast type of challenging tech projects and have been fixing 1800 websits php error free and...Hi, Everyone. I am a Top Rated Plus freelancer. Are you in tough times? You've got solution. In the past 15years, as a system admin(linux/windows/apach/nginx expert) experienced in PHP(OOP conceptions), I have been working vast type of challenging tech projects and have been fixing 1800 websits php error free and maintaining client websites. （￣︶￣）↗ No matter if… ✅ You broke your site due to server issues ✅ If you hired a less experienced developer to work on your site and they broke your site ✅ Something horrible happened and your site is down ✅ Your site was hacked. ✅ Do you want to improve Design and functionalities with your website? ❁´◡`❁ WHY CHOOSE ME OVER OTHER FREELANCERS ?❁´◡`❁ ✅Immediate and perfect solution : I consistently provide immediate and flawless solutions by closely auditing PHP syntax and monitoring server status to stay on top of any issues. ✅Responsibility : I take responsibility for any issues arising from the same reasons, and I provide solutions free of charge to ensure your satisfaction. ✅Responsiveness : I maintain an extremely responsive approach, ensuring instant responses and keeping all lines of communication readily open with clients. ❁´◡`❁ My customers said: -I would definitely hire Adam again & I definitely intend to hire him on future upcoming projects. Adam is no joke with tech ability & knowledge, and really knows his stuff!!! He was very responsive from the moment that I posted my ad for the work I needed. He started right away and hammered it out. I am very happy with the work and time frame that it was completed on the same day. Hire Adam for your tech work if he says he can do it, then trust it will be done correctly, quickly, and efficently. - He was great very knowledgeable in the process and our needs. He was absolutely outstanding!! For sure a great hire for any help you in AWS systems. - Adam is truly a master at fixing any technical Wordpress issues. Multiple pages on my site were not working, he backed my site up so I didn't loose a tremendous investment in my site. He completed the work extremely quickly. I will be using him again for all future projects. Look no further for an honest and professional Wordpress expert. Thank you for reviewing my profile. Adam Levinson 收起
雇用 ClearPoint
