Aleksey R.

I have over 18 years of experience as an IT professional and network engineer. I work as a System Administrator / DevOps, with experience in Linux/Windows Servers, WEB server, Scripting, Email Servers, Security, DBA manager, Monitoring, Logging Tools and more. I can offer you my services in research and analysis, project planning, implementation. I have an excellent understanding of the entire infrastructure design process, including specification, security, implementation, and quality assurance. Professional approach, attention to detail and always excellent quality To complete your project, we will do the following: I will ask you the right questions to get all the information you need and get to know your wishes. After that, I will offer you an effective solution that meets your needs and expectations. You can always count on my advice after the completion of the project if necessary. I am a professional you can trust. I will be glad to help you with advice, because I know how important it can be for your successful business. Summary of qualifications Designing, administration networks and OS. Advanced in administration *NIX like operational systems. Experience in design and support of LAN/WAN (~500 computers). Servers and networking hardware: assembling, testing, replacing devices and components. Management small sized IT teams (<5). Administration, installation, configuration of OS && Application: MS Windows Server NT3.5-2019 (All server roles. All Role) RDP terminal server Microsoft Active Directory (Group Policies, Configuration and Installation) Windows DNS, DCHP ISA Server EISA Server macOS Linux - Cent OS, Ubuntu, Oracle installation, configuration, administration. Apache (Installation, configuration) Nginx (Installation, Configuration, Load Balancing && etc) FTP (VsFTPd, ProFTPd, Pure-FTPd) BIND DNS Mail server (Postfix, Exim, Zimbra) Creating Nginx, MySQL clusters VPN Server (PPPtp, L2TP, IPsec, OpenVPN, WireGuard) pfSense FreeNAS (TrueNAS) Bitrix and Bitrix24 Telephony Asterisk - basic knowledge of installation and configuration Setting up PBX telephone exchanges Panasonic, Samsung Virtualization VM Ware ESXi Hyper-V KVM - entry level Proxmox Backup system Symantec Backup (Veritas) Veeam Backup Monitoring - installation and operation Zabbix Grafana Hardware Deployment and maintenance, updating of HP, DELL, SuperMicro servers Routers (Setup and maintenance) Mikrotik, Zyxell, pfSense, Linux WiFi Access points Ubiquity, Mikrotik, Linksys, Zyxell. Setting up MESH networks. Configuring switches 3COM, HP, Ubiquity, Cisco, Zyxell.