Alexander Pyhalov Email & Phone Number

– deployed flexible remote access solution based on OpenVPN which allowed provide controlled access to protected network services from remote sites– played major role in planning, testing and carrying on migration from EMC Clariion CX3 to IBM Storwize V7000 which solved problems with available storage space and increased DC servers performance – played major role in designing, planning, testing and carrying on migration of virtualization/isolation platform of DC from FreeBSD/jails to Linux/OpenVZ which allowed to use new hardware effectively and significantly simplified maintenance– maintained EMC Clariion CX3 SAN – core storage system of the University– deployed centralized backup system– restored corrupted Oracle ASM diskgroups after software failure– deployed and maintained several database servers (Oracle RAC cluster, PostgreSQL, MySQL) which are used by university site (Oracle), internal hosting services (over 100 PostgreSQL and MySQL databases), traffic analysis tools (working with 10GB database) and other management and monitoring systems– ported different system software to FreeBSD and Solaris systems (including fsvs, pidentd, postgresql-repmgr, pg-reorg)– developed the basic schema for integration of Oracle applications (mod_plsql) and Active Directory by means of customized OpenID server– played major role in redesign and upgrade of server part of University free internet access lab (based on SunRay terminals and Solaris OS).– developed modifications of GVFS/HAL GNOME subsystem on Solaris to make USB storage devices on SunRay terminals user friendly (automatic mounting, ensuring correct permissions).– deployed and maintain FreeBSD and Linux-based servers providing core network infrastructure services for the University including mail, proxy, web servers, DNS, DHCP and monitoring

– teach students the basics of SQL, Oracle and PostgreSQL DBMS

– deployed and maintain Linux-based servers (web servers, DBMS, monitoring) in clusters under high load (over 10 million users, average online users – 50 000, more then 500 000 users per day, avg. load - 2000 requests/second per HTTP server)

– deployed and maintain Linux-based servers (web servers, DBMS, monitoring) in clusters under high load (over 10 million users, average online users – 50 000, more then 500 000 users per day, avg. load - 2000 requests/second per HTTP server)– deployed monitoring system for main services, including development of custom sensors for Zabbix monitoring system

– deployed and maintained several backend services for the accounting system including LDAP,PostgreSQL, MySQL– maintained MS SQL Server (corporate accounting databases)– developed and deployed monitoring software for UUCP system– maintained and significantly improved email subsystem based on open source SMTP and POP3 servers, adopted new spam-detection techniques– maintained corporate proxy server providing controlled Internet access for internal network– maintained and deployed other FreeBSD and Linux-based servers (web/webdav server, application server, terminal server)

Doctor Of Philosophy (Phd), Means And Techniques Of Database Integration

Specialist (With Honors), Applied Mathematics And Computer Science