Linux systems administrator with 5 years of experience designing and implementing a server infrastructure and data-center operations across Unix, Linux and Vmware platforms. A passionate technologist with a strong desire for personal growth. Automation enthusiast with strong scripting skills. Skilled problem identifier, troubleshooter comfortable managing systems, projects and teams in a range of IT environments.
RHEL 5/6/7, CentOS 6/7, Fedora and Ubuntu
AWS: EC2, S3, Elastic Load Balancer, Route53
Managing system configuration with: Ansible, Puppet
Excellent knowledge in system security hardening: SELinux/ACL and chroot etc
Web Server Load Balancing Systems
Domain Name Resolving Systems
Disaster Recovery Netbackup
Database Installation and Setup
Linux System Administrator10/2013 to CurrentDirectTVChicago, IL
Installed, configured, and maintained services such as DNS, DHCP, NFS, Apache Web Server, Samba, SSH, RPM and YUM Repository.
Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
Worked with DBA's, Networking Team, and Developers to resolve their daily issues.
Performed standard system administration tasks such as troubleshooting and problem resolution, patching, installing packages using rpm and yum, drivers, software and hardware upgrades.
Used Puppet tool for managing system configurations, creating and push profiles to new servers.
Performed automated installations of Operating System using kickstart for Red Hat Enterprise Linux /6/7.
Wrote shell scripts for various system tasks such as back-ups, collecting and sorting logs, installation and monitoring.
Configured iptables firewall and hardening Linux systems for system security.
Managed disks and file systems using LVM.
Administered Nagios monitoring tools for servers monitoring and incident alerts.
Monitored performance of servers using tools such as sar, top, free, vmstat, iostat, traceroute, etc.
Monitored and maintained the disk space and backup systems, and implemented change controls, capacity planning and growth projections on the systems.
Performed troubleshooting existing user accounts, security objects and authorizations to resolve security conflicts by creating sudo rules, supporting users, setting up new accounts and password resets.
Involved in daily incident management and resolved the day to day problems raised by the users and incidents which are logged by Event monitoring system.
Linux System Administrator11/2012 to 10/2013Megacom
Performed standard system administration tasks, Installation of OS using kickstart from Standard build, patching, software installation and hardware upgrades, troubleshooting and problem resolution.
Setup and maintained Nagios monitoring for monitoring servers and application.
Setup the yum repository in the server, upgraded the repository by appropriate patching and installing software packages and services using yum and rpm as required.
Setup and maintained domain name system servers.
Performed day to day Linux administration tasks such as user account management, directory services, file system sharing and permissions.
Utilized logical volume manager and swap to create, modify, delete file systems.
Optimized system and application performance using techniques like shutdown, reboot, start and stop services and tools to identify performance issues and solutions.
Edited system configuration files: network settings, kernel parameters, service configuration files, cron.
Loaded and unloaded modules as requirement in the Kernel and made them persistent to boot by making appropriate changes.
Education and Training
B.A: INTERNATIONAL RELATIONS06/2013KYRGYZ NATIONAL UNIVERSITYChuiINTERNATIONAL RELATIONS
account management, Apache Web Server, Backup, Bash, capacity planning, hardware upgrades, Client, DBA, Database, DHCP, Disaster Recovery, domain name system, DNS, drivers, E-mail, firewall, FTP, LAMP, LDAP, Linux, Linux administration, Managing, MySQL, Enterprise, NAS, NFS, network, Networking, OS, Operating System, problem resolution, Python, RAID, Red Hat, requirement, SAMBA, SAN, SSH, servers, shell scripts, Scripting, SMTP, installing software, software installation, sorting, system administration, system configuration, TCP/IP, telnet, Troubleshooting, Netbackup, Web Server