SUMMARY:

• Over 10 years’ experience in systems administration, including network infrastructure, installing, supporting and maintaining servers and user applications.
• Providing 24x7 support of services (Continuous Integration platforms, repositories) and servers.
• Extensive experience of monitoring servers, data center and web services. Experience of backup and recovery of data;

TECHNICAL SKILLS:

• Strong fundamental understanding of platforms: FreeBSD, Linux (Ubuntu), CentOS, MacOS also XP/Vista/7/8 and Windows Server 2003/2008/2012 ;
• Strong fundamental understanding & troubleshooting of network technologies: Active Directory, Group Polices, DNS, DHCP, NAT, HTTP (HTTPS), SSH, FTP (SFTP, FTPS),LDAP, Wireless, TCP/IP, IP routing, VPN, Firewalls, Proxy - servers, SMTP, POP3;
• Experience of Atlassian products: Confluence, JIRA, Bamboo, Fisheye+Crucible;
• Experience of repositories: Git, GitLab, SVN, Gerrit;
• Experience of Continuous Integration platforms: Jenkins, Bamboo;
• Experience of UNIX: LAMP, Tomcat, Nginx, Exim, Postfix, IPFW, PF, IPTables, Samba, Squid, ClamAV, Racoon, Bind, WowzaMediaServer, Rsync, Bacula, Zabbix, Zenoss, Asterisk, MPD, Memcached;
• Experience of database systems: MySQL, MS SQL, (base knowledge with ORACLE DB);
• Experience of programming languages: PHP, Python, BASH;
• Experience of software: Office suite, AntiVirus suite, Graphics suite and etc.;
• Experience of routing and modems: Cisco, D-link (Wireless, ADSL, SHDSL), etc.;
• Experience in the administration LAN and Wireless until 100 workstations;
• Development live video chat room;
• Knowledge of PC and office equipment;
• Knowledge of implementation and construction CCTV ( losed-Circuit Television);
• Knowledge in the administration software: AWS, CloudStack, ESXi, VMware, Parallels Desktop;
• Knowledge of backup (Bacula);
• Understanding of Asterisk (AEL), development interactive menu;

WORK EXPERIENCE:

Confidential, Belmont, CA

DevOPS Engineer

Responsibilities:

• Responsible for providing for 24x7, support for production and responding to NOC’s tickets;
• Deployment new instances such us API servers for QA, Stage or Production environments;
• Updating new builds for instances; Investigation of problem in case incidents on Prod instances;
• Writing Bash scripts for automation of some tasks;
• Supported proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling batch jobs and cron jobs.

Linux System Administrator

Responsibilities:

• Responsible for providing for 24x7, support for production and responding to users’ tickets from HelpDesk;
• Deployment new instances such us (API server (Java, Apache-Tomcat, Jetty, Intalio), WEB server Apache, DB MySQL) for QA or production services;
• Updating new builds for Java Services; Monitoring: addition and configuration of new servers;
• Backup/Restore production applications, DB’s and configurations files.
• Writing Bash scripts for backup and automation Created disk groups, volumes, file systems, resizing the volumes and file systems.
• Supported proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling batch jobs and cron jobs.

Senior Linux Administrator

Responsibilities:

• Responsible for providing for 24x7, support for production and responding to users’ tickets from helpdesk.
• Providing, support and maintain Linux servers (CentOS, Ubuntu, Debian);
• Providing, support and troubleshoot main services: Apache, Tomcat, Atlassian products (Confluence, JIRA, Fisheye, Bamboo), Monitoring (Zabbix), Backup services (Bacula), Data Bases (MySQL, Oracle), FTP (FTPS, SFTP), Repositories (GIT and Subversion (SVN, Gitlab)); Support of continuous integration server: Jenkins Support of code review:
• Gerrit (registration of new projects and providing access);
• Support VM’s (Installation and configuration Linux Vm’s).
• Configuring and support CloudStack (KVM, XenServer), VMware;
• Upgrading Atlassian products (Confluence, JIRA, Fisheye, Bamboo); Installation and configuration of database systems e.g. MySQL, Oracle11g, Centos environment.
• Writing Bash scripts for backup and automation Created disk groups, volumes, file systems, resizing the volumes and file systems.
• Supported proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling batch jobs and cron jobs.

System Administrator

Responsibilities:

• Support for corporate network based on Windows 2003 domain (20 users, 15 servers); Support for e-mail services based on Microsoft Exchange 2007;
• Support for the working conditions: the Internet, e-mail, SCS, servers, workstations, office equipment;
• Recovering data after a crash, the actions of viruses, user experience; Install, configure, and support for Windows 2003, 2008 (AD, DHCP, DNS, IIS, MSSQL, file servers);
• Maintenance work;
• Installing, configuring and administering MS Windows XP/Vista/7 and Windows Server 2003, FreeBSD, MacOS;

System administrator

Responsibilities:

• Planning of network resources;
• Planning for security policy audit, setting up firewalls, video surveillance systems, etc;
• Implementation of monitoring the progress and quality of installation, repair and maintenance work performed by outside organizations accountable for communications equipment;
• Recovering data after a crash, the actions of viruses and the user experience; Setting up a peripheral office equipment (MFPs, fax machines, scanners, printers, etc.); Support for enterprise servers FreeBSD (32 servers); Support for corporate networks based on Windows 2003 domain (50 users, 3 servers); Install, configure, and support for Windows 2003, 2008 (AD, DHCP, DNS, IIS, MSSQL, file servers);
• Support for e-mail services based on Microsoft Exchange 2007;
• Support for MS SharePoint Portal Server 2003;
• Synchronizing data (Rsync, Csync);
• Management of CCTV (VideoNET);
• Support for the working conditions: the Internet, e-mail, LAN, servers, workstations, office equipment;
• Setting up data replication MySQL; Setting up VPN tunnels (mpd, racoon); Data backup (Bacula, Rsync, NTBackup);
• 24x7 support and monitoring of servers (Zabbix);
• Updating and changing the structure of interactive services on the platform Asterisk;
• Mail Routing (Exim, Postfix, Sendmail);
• Setting up and creating virtual hosts, proxy and database (Apache, Nginx, MySQL).
• Maintenance work;
• Installing, Configuring and Administering a MS Windows XP/Vista/7 and Windows Server 2003, FreeBSD, CentOS, MacOS;

System administrator, web-designer/programmer

Responsibilities:

• Installing and configuring local area networks;
• Support for the working conditions: the Internet, e-mail, network, servers, workstations, office equipment;
• User support (help with the work and development of new programs);
• Maintenance work;
• Installing, Configuring and Administering a MS Windows XP and Windows Server 2003, FreeBSD
• Setting up and working in the office programs (Word, Excel, Access, Photoshop, CorelDraw, Nero, TheBat, Outlook, archivers, Client-Bank, etc.);

Confidential

Technician Engineer

Responsibilities:

• Repair, adjustment, maintenance of servers and PCs;
• Build PCs, servers, various kinds of complexity;
• Repair of computer hardware and workstations;
• Installation of computers, servers;
• Maintenance of the technical department for the assembly of computer stations, servers, at different levels;
• Install the software (operating systems, office programs, specialized programs)
• Laser Printer Cartridges;
• Modular build and run the copier: Canon iR 2016;