Freelancers do zatrudnienia - Strona 2
Wyświetlono 408 wyników
Wykonawcy sponsorowani
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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 mniej
Zatrudnij servermaster
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I have 7 years of experience deploying and maintaining the following: ✅ 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,...I have 7 years of experience deploying and maintaining the following: ✅ 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: PLESK, cPanel, CyberPanel ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** mniej
Zatrudnij AZTURK1
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After getting nine years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...After getting nine years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Cloud Computing ---> AWS (EC2, RDS, VPC, ECS, EKS, S3, EFS, Cloudfront, Elastibeanstalk, etc) Cloud Computing ---> Azure (VM's, Vnet, Scaleset, Function Apps, App Services, CosmosDB, FlexibleDB, AKS, Blob Storage, etc..) Containerization ---> Docker, Docker-compose, Kubernetes DevOps ---> Jenkins, Bitbucket, Github, Terraform, Ansible, Python Virtualization ---> Vmware Vsphere High Availability & Disaster Recovery ---> Veeam Backup & Replication Windows Server ---> Active Directory, File Services, WDS Mail Server, Database Server ---> Exchange, Mdaemon VOIP ---> Elastix, Freepbx Website Development ---> Wordpress, PHP, HTML, CSS, Javascript mniej
Zatrudnij arifnafees
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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. mniej
Zatrudnij mrkimoz
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abusayed2004 abusayed2004
$40 USD / godzinę
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. mniej
Zatrudnij abusayed2004
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ClearPoint ClearPoint
$75 USD / godzinę
Critical Emergency?TOP RATED + WP/PHP/MySQL/ServerUnited StatesHi, 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 mniej
Zatrudnij ClearPoint
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TAFSOL TECHNOLOGIES Group!! Aiming to deliver $10M+ Projects in 2024-2025 32nd profound member of the OpenJS Foundation among other tech giants including Google, Microsoft, IBM, Uber and Coinbase, etc. Actively contributing to Official WordPress, the platform behind millions of websites. "Honoured WWF Corporate...TAFSOL TECHNOLOGIES Group!! Aiming to deliver $10M+ Projects in 2024-2025 32nd profound member of the OpenJS Foundation among other tech giants including Google, Microsoft, IBM, Uber and Coinbase, etc. Actively contributing to Official WordPress, the platform behind millions of websites. "Honoured WWF Corporate Member, Because saving the world is just a side gig!" TAFSOL Technologies is an Award-Winning Digital Agency Recognized by Clutch.co and Manifest as: 1. TOP B2B (Business-to-Business) SERVICES by Clutch.co in the Mobile App Development category. 2. MOST REVIEWED COMPANIES by The Manifest in the Software Development category. Our team of skilled professionals has extensive experience in providing a wide range of digital services such as: ✅ Logo Designing to give your business a Brand Identity ✅ Graphics Designing to make your customers fall in love with ✅ Website Design and Development that tells your business story and sells your products/services globally ✅ Mobile App Design and Development to make your business available at your customers' fingertips ✅ CRM Design and Development to effectively manage your customers ✅ SAAS-based platform Design and Development to streamline your business processes and increase efficiency ✅ ERP solutions Design and Development to integrate all business operations and provide real-time insights ✅ Blockchain Development to create decentralized platforms, decentralized applications (dApps), and smart contracts based on Blockchain networks, Ethereum, BNB Smart Chain, Solana, Polygon, etc. At TAFSOL, we understand that having a strong online presence is crucial to the success of any business. That's why we take a comprehensive approach to our services, ensuring that every aspect of your digital presence is optimized for maximum impact. From creating eye-catching logos to developing fully-functional and user-friendly websites, web apps, and mobile applications. What we Offer: ✅ 100% Client Satisfaction Rate ✅ 200+ Years of Accumulated Team Experience in IT Services ✅ 1000+ List of Satisfied Clients ✅ 100+ In-house Resources ✅ 42+ Countries in Which Our Clients are Based ✅ Quick Response Time < 2-3 Hours ✅ 5 Star Rated Profile Across All Platforms ✅ Dedicated Project Managers with Fluent English ✅ Support Services are available 5 days a week in EST, PST, MST, and GMT time zones. ✅ Physical Presence in the UK, USA, UAE, and PK Let's start a chat here on Freelancer.com so we can discuss your requirements in detail and share our ideas with you. You can also google us “Tafsol Technologies” and enjoy exploring more about our amazing services and reviews. Thanks for Visiting our Profile!! mniej
Zatrudnij Tafsol
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moh962008 moh962008
$50 USD / godzinę
✅Top 1%✅CyberSecurity✅SysAdmin✅Wordpress✅FullstackUnited Arab EmiratesBezpieczeństwo serwisów WWW, Administrator systemu, Bezpieczeństwo komputerowe, WordPress, Penetration TestingA cyber security professional who works to protect from cyber security hardware and software attacks. In addition to typical IT tasks like monitoring networks for potential attacks or security risks , and managing the servers. ✅CCNA , CCNP , CCIE Certified ✅CEH ,OSCP ,OSEP , SECURITY+ PenTest+ Certified ✅...A cyber security professional who works to protect from cyber security hardware and software attacks. In addition to typical IT tasks like monitoring networks for potential attacks or security risks , and managing the servers. ✅CCNA , CCNP , CCIE Certified ✅CEH ,OSCP ,OSEP , SECURITY+ PenTest+ Certified ✅ Experienced in Email security systems and Email flow ( on premise ,cloud) ✅ Experienced in Email marketing and cold mail and Email deliverability. ✅Experienced in pentation testing and vulnerability assessments. ✅Experienced in DNS , cloud flare and hosting's of all kinds . ✅Experienced in cPanel/WHM, Plesk , Webmin, Virtuozzo, CWP, CyperPanel, Vestacp. ✅Experienced in WordPress development , PHP , plugins and themes customizations. ✅ Expert in different languages as Java, C/C++/C#, Python. ✅Administration Networks (LAN’s, WAN, VLAN ). Known for- - > Giving Full support to the clients even when the project is completed. - > Never ask for money before showing you the results. - > Confident and Honest about skills. Hire me once and you will get the best results beyond your expectations !!! Regular communication is really important to me, so let’s keep in touch!” mniej
Zatrudnij moh962008
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I am a proficient full-stack Java and Python programmer, primarily focusing on front-end and back-end development using Java and Python. I've worked on a range of projects during my long career as a freelancer, demonstrating my expertise with front-end technologies like HTML, CSS, JavaScript, React, or Angular, as...I am a proficient full-stack Java and Python programmer, primarily focusing on front-end and back-end development using Java and Python. I've worked on a range of projects during my long career as a freelancer, demonstrating my expertise with front-end technologies like HTML, CSS, JavaScript, React, or Angular, as well as frameworks like Spring Boot, Quarkus, Fast API, Django, and Flask. I've developed sophisticated mobile applications and interactive websites while working with many clients. I have experience integrating databases, including Oracle, PostgreSQL, and MySQL, and I know a lot about server technologies, especially AWS and Google Cloud Platform (GCP). Using test-driven development (TDD), continuous integration/deployment (CI/CD), and object-oriented programming, I follow best practices in my development methodology. I thrive at converting customer requirements into practical, workable solutions. I am well-known for my ability to work autonomously, my meticulous attention to detail, and my commitment to meeting deadlines. My technical proficiency and adaptability make me a priceless asset for projects requiring skilled and agile web and mobile development. mniej
Zatrudnij gustavoguanilo
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I'm a Brazilian technician living in Curitiba state of Paraná in Brazil. I have 10+ years of experience working as a Level-2/NOC support agent for a US voip company, I'm specialized on VoIP/SIP solutions, and as a developer building web-sites , web-apps, and automation scripts, to integrate processes and optimize...I'm a Brazilian technician living in Curitiba state of Paraná in Brazil. I have 10+ years of experience working as a Level-2/NOC support agent for a US voip company, I'm specialized on VoIP/SIP solutions, and as a developer building web-sites , web-apps, and automation scripts, to integrate processes and optimize tasks. websites : https://www.logikanet.com , https://ipcam.logikanet.com, https://btc.logikanet.com, http://www.dentistas.curitiba.br https://voipblast.logikanet.com http://carwash.logikanet.com whatsApp : whatsapp.logikanet.com mniej
Zatrudnij otrzemvoup
