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Internet servers on Slackware GNU/Linux
Ubuntu GNU/Linux Foundamentals
Founder and CEOAug 2015
HighTech LLC is consulting and outsourcing company with full stack of IT-solutions. Our products and services are based on open source software, reliable hardware and smart minds of developers.
Senior System AdministratorJan 2012 - Jun 2012 (5 months)
Must: - Be Good Senior Admin... Did: - Organized monitoring of SuSe Linux servers, services and routers and SuSe GNU/Lunux on Zabbix. - Created recovery scripts for deleted e-mails from Zimbra e-mail system (Community Edition) and Bacula (Bash+Expect+Magic;). - Understood Bacula - Added MS Windows Servers to Bacula backup system, learned, wrote and teached how to do it.
Web-developer and Systems EngineerSep 2010 - Jan 2015 (4 years)
Research and Development of web-projects and other information systems on unix-like operating systems (FreeBSD, GNU/Linux) and services (web-sites, mail and file servers) based on OpenSource applications, educating administrators and users how to use it and what for (consulting). Web-development (sites, on-line shops, catalogs, etc...), software development. Automation. Deep understanding of ISP and Hosting technologies. Loving GTD. - Keep Secrets - Quality - Time Control
IPTV Support EngineerSep 2009 - Aug 2010 (11 months)
Must: - IPTV-tech support - Negotiations with clients (ISP) and vendors (Software and STB Developers) Did: - Installed and tuned Knowledge Database DokuWiki for Tech. Support Department. - Tuned WakeUp on lan for servers (for energy economy) - Installed and tuned Cacti NMS for monitoring of MiddleWare (TV Engine) with SNMP and HTTP. - Understood IPTV-technologies. - Added some skills of: RHEL, Jboss, PostgreSQL, Cacti, Middleware, STBs, CAS.
System AdministratorJun 2009 - Aug 2009 (2 months)
Must: - Administrated distributed network of company, servers with FreeBSD (Squid, pf, Samba), MS Windows 2003. - Coordinated works of outsource partners (software developers and helpdesk support). Did: - Created gateway and file servers on FreeBSD (Samba + Active Directory)
Linux Systems EngineerDec 2008 - Jun 2009 (6 months)
Preparation of ASE Linux (RHEL based) distributive for the Nuclear power stations. Must: - Bugfixing ASE Linux (RHEL based) distributive for the nuclear power stations in VNIIAES (All-Russian Research Institute for Nuclear Power Plants Operation) and company office. Did: - Understood monitoring system for 1st energy block (reactor) of Kalinin Nuclear Power Station.
Senior Hosting Services Engineer (NOC engineer)Jan 2008 - Nov 2008 (10 months)
Must: Administrated FreeBSD, GNU/Linux servers with Bind, MySQL, Apache, ipfw, pf, jails, NFS, Exim and other OpenSource software. Maintained servers of virtual hosting and dedicated servers with our administration, consulting. Tuned performance and fixed problems. Administrated Cisco Guard (Anti-DDos Shaitan Hardware). Did: - Created FreeBSD kickstart (autoinstallation system for typical hosting servers by network (NFS+PXE+Shell) - Understood Hosting Technologies.
Technical Support EngineerMay 2006 - May 2007 (1 year)
Must: Elendil is outsoucing company. I administrated servers on FreeBSD (Qmail, OpenBGPd, Apache, TinyDNS, PF, MySQL, Samba, Apache, Squid) and MS Windows 2000/2003 (Active Directory, DNS, Exchange). Supported users and their comps with Windows XP, Mac OS X, GNU/Linux, PC- BSD). Blackberry devices. English-language users support, outsourcing support of systems administrators. Did: - Understood "Time Tracking" and "Project Management" (thanks to SGK for book and lessons of GTD)
System / Network AdministratorJan 2006 - Apr 2006 (3 months)
Must: I am maintained office network (workstations with Windows XP), installed and maintained servers in office (FreeBSD and Windows 2003) and collocated servers on FreeBSD in Space Research Institute (). Did: - PPP-bundle by telephone lines on FreeBSD - NFS between servers - Distributed e-mail system - Installed Storage with SCSI to MS Windows/AD and FreeBSD/Samba - Backup and redundant "1C Accounting" software on Perl - Understood replication by Mirror (Perl)
System AdministratorOct 2005 - Dec 2005 (2 months)
Must: I am administrated office network and supported 20 workstations with Windows XP and standard office software. Diagnosed and fixed problems, educated users. Did: - I've made reserve router on FreeBSD. - And made CGI-interface (web-interface) for sending/receiving reports between Central Bank of the Russian Federation and Our Bank by phone line on Perl.
Network operator / Phone HelpDesk supportJan 2005 - Sep 2005 (8 months)
Must: - Routers maintenance (mt-200 and GNU/Linux) - Network Diagnostics - Setup of VPN-clients and client firewalls - Phone Helpdesk - Maintained client database - Fixed problems with client software and hardware. Did: - Installed my first FreeBSD-based ftp-server.
System Administrator/HelpDesk SupportMar 2004 - Jan 2005 (10 months)
Must: I supported about 30 workstations with MS-DOS, Windows 95/98/2000/XP and servers with Novell Netware 3, 5. Maintained PCs and resolved problems with hardware, software and network. Installed and tuned operating systems and office software. Helpdesk. Did: - Understood OS Fundamentals and TCP/IP basics.