System Administrators para contratar en Ukraine
Mostrando 103 resultados
Freelancers patrocinados
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I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP.I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP. menos
Contratar vili1977
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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. menos
Contratar sukh0v
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How can I help you: ⚡ ⚒️ Server maintenance. Configuring. Optimization. Installation. Cleaning; ⚔️ Antiviral works. Malware detection and cleaning. Server protection and securing; ⛴️ Migration. From server to server. From hosting to hosting; ♒ Monitoring. I'm providing really professional monthly-basis monitoring...How can I help you: ⚡ ⚒️ Server maintenance. Configuring. Optimization. Installation. Cleaning; ⚔️ Antiviral works. Malware detection and cleaning. Server protection and securing; ⛴️ Migration. From server to server. From hosting to hosting; ♒ Monitoring. I'm providing really professional monthly-basis monitoring using my own monitoring tools which allow me see server health 24 hours a day and receive notifications if server or website is bad. Additionally, my tool can perform malware scanning almost in realtime, and warn me if malware is found. Refer to my portfolio to see how it looks. ❤️ Reputation - above of all ❤️ menos
Contratar wmtoolsnet
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With over 6 years of professional experience in full-stack web development, I specialize in creating robust and scalable web applications leveraging the latest technologies. Experienced Full Stack Developer with a strong foundation in both front-end and back-end development, skilled in designing, building, and...With over 6 years of professional experience in full-stack web development, I specialize in creating robust and scalable web applications leveraging the latest technologies. Experienced Full Stack Developer with a strong foundation in both front-end and back-end development, skilled in designing, building, and maintaining dynamic web applications. My proficiency includes but is not limited to JavaScript, React.js, Next.js, React Native, Flutter, Node, and MongoDB/Sanity/My SQL/PostgreSQL, Firebase. I have successfully designed and implemented scalable web applications, ensuring optimal performance and a seamless user experience. Also, Proficient mobile app developer skilled in React Native and Flutter, creating cross-platform apps with responsive interfaces. Experienced in leveraging both frameworks for efficient, high-quality development, delivering seamless user experiences on Android and iOS platforms. I am confident in my ability to contribute effectively to your team as well. Looking forward to the possibility of collaborating with you. I am eager to discuss how my skills and experience align with your project requirements. Best regards, Serhii Shapovalov △ Skills - Front-End: ◇ Basic technology : HTML5, CSS3, JavaScript, ◇ Frameworks: React.js, Angular.js, Vue.js ◇ Responsive Design: Bootstrap, Tailwind CSS - Back-End: ◇ Programming Languages: Node.js, Python, Java, Ruby, PHP ◇ Frameworks: Express.js, Django/Flask, Spring Boot, Ruby on Rails ◇ Database: MySQL, PostgreSQL, Oracle, MongoDB - React Native, Flutter menos
Contratar serhiis8
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I am web programmer with four year experience. I like to work and learn (do it quickly and efficiently), positive and responsible.I am web programmer with four year experience. I like to work and learn (do it quickly and efficiently), positive and responsible. menos
Contratar yhartonuk
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DevOps and network engineer, skills - linux (redhat, centos, ubuntu, debian) - AWS (iam, ec2, s3, elb/alb, asg etc) - terraform - kubernetes (aws), nomad - proxmox, openstack - ELK (grok, logstash patterns, filebeat, metricbeat etc) - influx, telegraf, grafana - sensu (core and go), zabix, nagios - asterisk,...DevOps and network engineer, skills - linux (redhat, centos, ubuntu, debian) - AWS (iam, ec2, s3, elb/alb, asg etc) - terraform - kubernetes (aws), nomad - proxmox, openstack - ELK (grok, logstash patterns, filebeat, metricbeat etc) - influx, telegraf, grafana - sensu (core and go), zabix, nagios - asterisk, freebpx - bash, python - ansible, salt, puppet menos
Contratar vova33
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Hardware and network administration of technology, a specialist with good experience in the following areas: ● Creation and configuration of networks (L2, L3); ● Operating systems - Linux, Debian, Ubuntu, Windows Server; ● Selection for the client's tasks and setting up servers from scratch (including on dedicated...Hardware and network administration of technology, a specialist with good experience in the following areas: ● Creation and configuration of networks (L2, L3); ● Operating systems - Linux, Debian, Ubuntu, Windows Server; ● Selection for the client's tasks and setting up servers from scratch (including on dedicated hosting - Hetzner, etc.); ● Virtualization (for installing multiple systems on one server) - Hyper-V, Proxmox, Citrix XenServer. Software tuning of hypervisors for maximum performance of guest machines by usage environment; ● Setting up a corporate Firewall and implementing multi-WAN (multiple Internet connections), networks and VPN tunnels based on pfSense or OPNsense; ● I am good at setting up VPN tunnels - OpenVPN, Wireguard, IPsec, IKEv2, L2TP, PPTP; ● Can set up an environment for remote work of company employees (including setting up remote desktops, VPN access to the server...); ● Configuring routers, LAN or Wi-Fi - installation and customization / compilation (assembly) of OpenWrt firmware from source (for any compatible device, including a computer), MikroTik, DD-WRT, etc. all standard interfaces of factory routers (ASUS, TP-Link, etc.); ● Setting up single-board computers for various tasks (Raspberry Pi, Banana Pi, Rock Pi, etc.); ● Selection and configuration of industrial 3G/4G/LTE modems (mobile Internet) with aggregation and balancing for any mobile operator, proxying of connections via modems, creation/configuration of farms. Multi WAN load balancing and true Multipath TCP summarization (MPTCP) through a dedicated server; ● Setting up Tor, etc. anonymizers on different devices, traffic encryption; Installation of a turnkey corporate (personal) GPS tracking server (connecting and configuring GPS trackers, including those based on LTE modems Quectel, Sierra Wireless, etc.). GPS tracking of cars, buses, trucks using mobile routers for distributing the Internet, connecting video surveillance cameras, displaying additional data (charge level, signal, temperature, number of connected clients, etc.) in the server GUI. ● Setting up SIP telephony (Asterisk FreePBX), GSM gateways; ● Installing a server for the site (NGINX, Apache, MySQL); Only a high-quality and responsible approach to work, full tuning of the installed software for the hardware platforms of clients, writing SH / BASH scripts for specific tasks. Confidentiality guaranteed. menos
Contratar GektorUA
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- Certified Google Cloud Professional DevOps Engineer ! - Certified Azure DevOps Engineer (AZ-400) ! - DevOps with 5 years experience (1 year AWS, 2 year GCP, 2 years Azure) - VoIP Expert with more than 10 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. -...- Certified Google Cloud Professional DevOps Engineer ! - Certified Azure DevOps Engineer (AZ-400) ! - DevOps with 5 years experience (1 year AWS, 2 year GCP, 2 years Azure) - VoIP Expert with more than 10 years experience in FreePBX, Elastix, PBX in a Flash (PIAF), ViciDial and other Asterisk-based systems. - ASTERISK + MICROSOFT TEAMS INTEGRATION - Freeswitch and Sangoma solutions expert - Vicibox and Vicidial! - A2Billing Expert (Installation, Administration, Customization) - Chan_dongle comprehensive solutions (GSM gateways, SIM Card diversion, Calls and SMS forwarding, SMS2EMAIL...) - Administering and configuring of PRI and FXO/FXS cards (Digium, Sangoma...) - Administering and configuring Mitel, Cisco, Linksys, Yealink phones and softphones. Provisioning solutions. - Administering and configuring GSM Gateways: GoIP, Etel, OpenVOX... - ANTIBLOCK IP AND TRAFFIC COMPRESSION solutions for censored countries such as Pakistan, Iran, China... - Unix/Linux/Windows admin and script writer - USB over IP solutions for Windows and Linux - Expert in monitoring solutions (Zabbix, Prometheus, Grafana) - Web Security Expert: security audits, ethical hacking... - Post-project support included as well!!! menos
Contratar altr
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Are you looking for a result-driven developer having wide experience? If so, then you have already found him. Currently I am a member of Gold Development team which was founded in Ukraine for over 10 years ago. During this time I have been working in the field of website development and I have developed wide range of...Are you looking for a result-driven developer having wide experience? If so, then you have already found him. Currently I am a member of Gold Development team which was founded in Ukraine for over 10 years ago. During this time I have been working in the field of website development and I have developed wide range of websites for private and corporate clients. I have sound knowledge of: - Languages: PHP, Python, Perl - HTML, Javascript, jQuery, Vue, Angular, CSS - PHP frameworks: Laravel, Symphony - PHP engines: WordPress, OpenCart, Joomla, Drupal - Databases: MySQL(MariaDB), MongoDB, Memcached - Linux server administrating/configuration and I know almost everything about these technologies. I am highly motivated professional who does his best to ensure customer’s satisfaction and I am always looking for the opportunities to help my clients to develop an efficient back-end processing which will allow them to create their excellent websites. Open for interesting projects! menos
Contratar perlomonster
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I'm Unix system administrator my skills: - writing of scripts on BASH; - Profession check/delete files of your site on malware, cleaning virus code into your scripts, reporting to you of detailed report about hacked your resource; - installation, control, administration, optimization and monitoring of the OS...I'm Unix system administrator my skills: - writing of scripts on BASH; - Profession check/delete files of your site on malware, cleaning virus code into your scripts, reporting to you of detailed report about hacked your resource; - installation, control, administration, optimization and monitoring of the OS servers: CentOS, Linux, Ubuntu, Debian, Windows; - install, setup of servers databases: MySQL, MariaDB, Percona; - install, setup of web servers: apache, nginx, PHP-fpm, IIS; - install, setup of e-mail servers: exim, sendmail, qmail (SMTP, POP3, IMAP, dovecot), spam filters - installation the control panels: Cpanel, Plesk, ISPmanager, CWP, VestaCP, BrainCP, CentOS Web Panel. and many others skill... menos
Contratar tsymbalyukivan
