Freelancers pentru angajare – Pagina 2
Se afișează 415 rezultate
Freelanceri sponsorizați
-
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 ** mai puțin
Angajează pe AZTURK1
-
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 :) mai puțin
Angajează pe aravinda333
-
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! mai puțin
Angajează pe mogsten
-
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" mai puțin
Angajează pe ahmedhassan52
-
I am an administrator of Linux and Windows servers. I do not violate the terms of work and I work with strict observance of my clients' requirements. My best skills: o Windows Server and Hypervisors o CentOS/Redhat/Ubuntu OS o Website management and clear websites malware o Web hosting/Server & website...I am an administrator of Linux and Windows servers. I do not violate the terms of work and I work with strict observance of my clients' requirements. My best skills: o Windows Server and Hypervisors o CentOS/Redhat/Ubuntu OS o Website management and clear websites malware o Web hosting/Server & website migration o Security Check Windows and Linux Servers o Joomla, WordPress o IIS/Apache/Nginx o MSSQL/MySQL/MongoDB/MariaDB o Active Directory/DNS/DHCP/FTP/VPN/SMB/GPO o Postfix/Exim/Dovecot/Courier o CPanel/WHM/Plesk o Cloudflare and Let's Encrypt SSL o Audit sites for the possibility of penetration work o Create Websites o Create ETH/EXP/Pirl Mining Pool o VMware vSphere o System Center Configuration Manager o System Center Operation Manager o Microsoft Exchange Server o Creating a private files cloud owncloud/nextcloud/seafile o Creating proxy server IPV6/48 (7000-65000) IP address mai puțin
Angajează pe d1mf13
-
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. mai puțin
Angajează pe mrkimoz
-
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. mai puțin
Angajează pe rupa37
-
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. mai puțin
Angajează pe sukh0v
-
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. mai puțin
Angajează pe abusayed2004
-
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 mai puțin
Angajează pe ClearPoint
