System Administrator

…Ubuntu server, CentOS, Elastix etc) Installing, configuring, support already configured systems and their optimization Deploying Network Services: WEB (Apache, Nginx) Firewall (IPFW, PF, Iptables) Mail+Webmail (Kerio, Sendmail, Fetchmail, Postfix, Exim(mostly use) + SquirrelMail, Roundcube) FTP (anonymous & with user access) Samba (share & secure; automatic backups from client machines; PDC powered by Samba) Monitoring Systems…

Infrastructure development, and maintenance in AWS cloud. Containerizing applications with Docker. Work with ELK stack. Development of a highly loaded proxy using Nginx, Jenkins and Terrafom. Deploying a server and virtual networks for the access control system…

I am a full-stack developer in Ukraine. My interests range from back-end, front-end, system management to mobile applications. As you can see, I am interested in all parts of application development. ✅ My site https://oleksandrsovenko.com/ My reviews https://g.page/r/Cenb51f7YdTrEAE

With more than 10 years of experience in system…

of testing: -Functional;- Not functional (UserInterface Testing, Usability, Accessibility testing, Security andAccess Control Testing, Installation Testing, Configuration Testing,Interoperability Testing, Failover and Recovery Testing,Localization);- Performance testing(load testing, stability testing, stress testing, volume testing);- Рositive andnegative testing;- White, Black, GrayBox;•know how to work withbug tracking system…

Dovecot FTP: ProFTPd, vsftpd, PureFTPd DNS: BIND, PowerDNS DHCP Gateway: NAT, traffic shaping Proxy: Squid Directory: LDAP AAA: FreeRADIUS VPN: IPsec-based, OpenVPN, PPTP, L2TP TFTP NTP Syslog TLS/SSL SNMP Virtualization: KVM, Xen, VMware ESX, OpenVZ, Proxmox Backup and Restore: RSYNC Revision Control Systems : CVS, SVN, Git File Sharing: NFS, SMB Software-Defined/Network-Based Storages: DRBD, Ceph, iSCSI, AoE Printing Systems…

быстро осваиваю новые технологии и стремлюсь к постоянному профессиональному развитию. Ключевые навыки - GNU/Linux (Debian, Ubuntu) - Уверенная работа в командной строке Linux - Администрирование серверов и сервисов - Знание принципов TCP/IP, DNS, DHCP, VPN, VLAN - Настройка и сопровождение компьютерных сетей - SSH - Bash scripting/Python - Docker и контейнеризация - Git - Веб сервисы Nginx, Apache. - Управление сервисами через Systemd…

WORK EXPERIENCE - Support specialist - Sysadmin TECHNICAL SKILLS - Visual simulation tool: Cisco Packet Tracer, GNS3 - Virtualization software: VMware Workstation - Operating systems…