System Administrator
St Petersburg, St Petersburg City, Russia
Software development companyResponsibilities:- administrating application servers (java, alfresco);- database servers (postgresql, oracle);- web-servers (nginx, apache);- administrating tracking servers (jira, confluence, redmine);- administrating support servers (backup, monitoring, dns, ftp, etc.);- network administrating (Mikrotik, Cisco);- managing virtual servers with Citrix XenServer and Proxmox;- managing cloud servers with AWS and OVH;- maintaining baremetal servers (Intel, IBM, Lenovo);- maintaining network hardware (Mikrotik, Cisco, HP).Achievements:- built a monitoring and backup system from scratch;- optimized and documented the entire network infrastructure;- increased the level of security;- migrated virtual servers from XenServer to Proxmox.