Freelancers Para Contratação - Página 2
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Mostrando 375 resultados
Freelancers Patrocinados
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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 ** menos
Contratar 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! menos
Contratar mogsten
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I am an experienced C/C++/C# (.NET)/Python/Java/Fortran 90 programmer. I specialize in the development of high performance cryptographic implementations , deep neural networks, desktop application development (both GUI and terminal applications), graphics programming with SDL 2.0 or SFML and OpenGL, network...I am an experienced C/C++/C# (.NET)/Python/Java/Fortran 90 programmer. I specialize in the development of high performance cryptographic implementations , deep neural networks, desktop application development (both GUI and terminal applications), graphics programming with SDL 2.0 or SFML and OpenGL, network programming using sockets (both BSD sockets and WinSock), multi threading, system security enhancing applications and writing operating system level code for both Windows and Linux operating systems. I am deeply familiar with the Windows API as well as POSIX API, and I have extensive experience working with intricate projects that use the OpenSSL libraries, libAV (core libraries of ffmpeg), libcurl, GMP and many more! I prefer developing cross-platform code and I also have experience in using MPI (Message Passing Interface) via OpenMPI for distributed computing. I love writing efficient, elegant and portable code, that works in the most efficient way possible. I am also a fluent speaker and writer of the English language. If I take up a project, be assured that it will be done with the utmost level of perfection that will make your heart content! Please check out the heartfelt reviews from my clients to understand more about me. I hope to work with you and manifest success in your challenging projects. Thankyou very much for checking out my profile! May God Bless You :) menos
Contratar aravinda333
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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. menos
Contratar mrkimoz
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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. menos
Contratar rupa37
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abusayed2004 abusayed2004
$40 Dólares / hora
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. menos
Contratar 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. menos
Contratar amiteshojha
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ClearPoint ClearPoint
$95 Dólares / hora
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 menos
Contratar ClearPoint
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I am an Expert Network Engineer and I am working an Expert Consultant Network and Security Engineer. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA, CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation), CCNP Data Center and...I am an Expert Network Engineer and I am working an Expert Consultant Network and Security Engineer. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA, CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation), CCNP Data Center and CCNP Security certifications. I have Juniper JNCIA-Junos (JN0-102) and JNCIA (Cloud) certifications. I have very good knowledge in Cisco wireless technology (control based & stand alone), VOIP & Network Security with previous work experience. I have very good knowledge in SD-WAN technology and I have a previous work experience in it. My specialties: - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800, ISR 4K, 878, 888), Switches (Cat 6500, 3750, 3850, 2900, 2960, SG- 300, SG-500, [Nexus 5K, 7K and 9K]), Firewalls ([ASA 5505, 5506x, 5508], Fortigate, Palo Alto) and Wireless Acess Points 1800 and 2700. - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei, Mikrotik, HP, Ubiquiti, VyOS & Pfsense devices Expert. - Packet Tracer, GNS-3, EVE-NG, VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, ISIS & BGP) Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, VTP...). - VPNs Configuration Expert (IPSEC/L2TP, GRE/PPTP, OPENVPN & SoftEther). - Linux, Unix & windows servers Expert. - Wireshark Traffic Capture & Analysis Expert. - Write technical reports and summaries. menos
Contratar ExpertNetworkEng
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I have over ten years of experience in web development and experience with different programming languages, technologies, and databases with a concentration on back-end programming. Services: ✓ Design, develop and maintain new websites or web apps ✓ Add new features, Debug, and support your existing website or web...I have over ten years of experience in web development and experience with different programming languages, technologies, and databases with a concentration on back-end programming. Services: ✓ Design, develop and maintain new websites or web apps ✓ Add new features, Debug, and support your existing website or web apps ✓ Refactor legacy codes and improve your service performance ✓ R&D to find the best solution for your needs Experiences: ✓ PHP, Laravel, Symfony, Wordpress, Joomla, XDebug ✓ Java, Spring, Struts, EJB, J2ME, Swing ✓ MySQL, MariaDB, Oracle, MongoDB, SQLite ✓ HTML5, CSS3, Javascript, Ajax, jQuery, Bootstrap, Angular, Vue ✓ Apache, NGINX, Apache Tomcat, JBoss menos
Contratar techriverr
