Manager System Administrator

ZAFAR ROOSTAMOV

Cell: 224-***-****

E-mail: **********@*****.***

CHICAGO, IL

L I N U X S Y S T E M A D M I N I S T R A T O R

S U M M A R Y

Linux System Administrator with over 6 years of experience in varied industries;

Experienced in mission-critical production environment;

Ability to adapt and accomplish creative and standard or non-standard solutions;

Excellent communication, and technical training skills;

Strong desire to organize and standardize for efficient operation of user environment;

Strong Experience in Troubleshooting of Network, OS and Performance related problems;

Understanding in numerous types of Networking and Computer Hardware;

Good experienced in TCP/IP, LAN/SAN, FTP, NFS, SFHA Installing and configuration, PXE Server, Open Source packages such as Samba and Sendmail, AD, DNS, Bind, Apache, DNS, LVM, NIS+ and OpenLDAP. T E C H N I C A L K E Y S K I L L S

Operating System : RHEL/CentOS 4, 5, 6, and 7, FreeBSD 9 and 10, Solaris, Windows 2003/2008/2008 R2 and 2012/2012 R2.

Networking: SAMBA, TCP/IP, DHCP, Cisco Layer2 and 3 Switches, Wireless Controllers and Access Points, Routers, SSH, Telnet, FTP, LAN/WAN, VLAN, MPLS Networks or T1 circuits, Riverbed Steelhead WAN Optimization.

Server: Apache, Send mail, Oracle RAC, Nagios, Opsview, DNS, LAMP stack, Print, IIS DHCP, LDAP, NIS, ISCSI, AD, Password server, Samba, and FTP, Prime Infrastructure 2.0- 3.0, Exchange server, Windows File servers.

Scripting language - Bash Shell, Python

Installation and Configuration - PUPPET, Nagios System Monitoring. LDAP, 389, HTTP, FTP, NFS, LVM, Oracle RAC, Webservers, ISCSI, Opsview, EMC SAN (Clirion CX300 and CX600, VNX5300), and Various Linux base Application.

Hardware: IBM System X series, Lenovo Think Servers RD series, HP-DL and G series, Dell PowerEdge series. Storage administration: RAID arrays, SAN (EMC, NETapp), NAS.

Database : MySQL, SQL

Application and Web Server: Appache(httpd), Apache Tomcat, Jboss, WebLogic, Oracle RAC, WordPress.

Monitoring – Nagios system monitoring, Opsview monitoring, Observer.

System Security and Troubleshooting utilities – Wireshark, ping, Observer, tcpdump, telnet, netstat, netcat, nmap iptables, tcpwrappers and selinux, Nomadix Firewall, Palo Alto Firewall, Symantec antivirus, Trend Micro Officescan.

Virtualization

VMware - vCenter manager, DRS, HA, Vmotion, Storage Vmotion, vCenter operation and Configuration Manager, Virtual network, Virtual network switches, VM Ware converter - P2V. ESX, ESXi Server, Workstation and VMware player, VMware Infrastructure Management system, Xen, VirtualBox, Oracle VM and Oracle VM Manager

P R O F F E S I O N A L E X P E R I E N C E

Infrastructure System Administrator;

Fort Dearborn Company, Elk Grove Village, IL (05.2014-present)

(Provides 24x7 on-call support)

Administered, built, configured and troubleshooting hundreds of Linux and Windows servers and workstations in physical and virtual environments, this includes architecting and assembling physical and virtual servers and installing new software, validating that the software was correctly installed and configured on the correct machines onside and remote locations through VPNs (Cisco VPN or Palo Alto VPN) using RDP, VNC, SSH and Telnet. Daily operations in infrastructure are maintenance and troubleshooting of Networking, NAS/SAN, PBX, Firewall, Backup systems.

Setup NFS, FTP and Samba for File Sharing on Linux and Windows servers.

Installing and configuring of Red Hat Enterprise Linux 5, 6 and 7, CentOS, Oracle Linux 5, 6 and 7, Ubuntu 12, Windows 2003, 2008/2008R2 and 2002/2012R2 and setup DHCP, Kickstart and RHEL/CentOS yum repositories.

Deployed system patches using private repos and yum update, enterprise software upgrades.

Storage administering SAN EMC VNX5300 and EMC CX600, NAS Seagate, and Type Backup using Commvault i500.

Installed and configured various services like Oracle RAC servers for production and Test environments, DNS, LAMP stack, LDAP, DHCP, WordPress webservers, Apache Web Server, Tomcat, Prime Infrastructure 2.0, Prinergy, Citrix farm servers, OpenLDAP, Microsoft AD, Group policy, Masstransit file transfer, SSH, Riverbed WAN Optimizer, Telnet, RPM Package Management and others.

Managing and configuring of Network devices (Cisco Routers, Switches, Wireless controllers and Access pointes, Nexus Switches), Palo Alto firewall, Observer.

Install and configure virtual and physical machines for various environments as Windows Infrastructure server 2008/2012R2 (DNS, DHCP, IIS, Print, AD, GP, DFS), Linux Webhost and Web Application servers (Test/QA, DEV and Prod environments), Appservers (OBI, OracleDB, SQLdb, Prinergy, Masstransit). Linux System Administrator;

Percipia Networking; Chicago, IL (11/2013-05/2014)

(Provides 24x7 on-call support)

Configured and troubleshoot Linux clusters, servers and workstations. Reviewed software installation procedures. Implemented new procedure for drive copying, dramatically reducing the time to create new system disks. Live customer support or VPN remote support and trouble shouting, ticketing with Zoho. Maintained and supported Linux prototype disks, including security updates, working with log files, bug fixes, and feature enhancements.

Maintain and configuring DNS, DHCP, LDAP, Webservers (Apache), NFS, Windows Active directory, FTP and Samba for File Sharing on Red Hat Linux, Centos and Windows servers. Creating and installing new servers using PXE Sever, Kickstart.

Configuring, installing, upgrading and managing SAN disk using LVM.

Administering and managing Cisco Call Manager (PBX), Unity voicemail.

Scheduling used tools such as Cron, set up collaborative directories (sgid/ sticky/ setfacl), NFS/Autofs.

MySQL database.

TCP/IP, VOIP, Internet telephony.

Monitoring system service using Nagios, monitoring and turned the system to archive optimum performance. Setup security using SUDO, TCPdump & iostat, Iptables, Selinux.

VMware - ESX, ESXi Servers, Vcenter. Install and configure virtual machines for clients: vCenter manager, VDP, Vmotion, Storage Vmotion. Linux System Administrator;

Towers Watson; Chicago, IL (11/2012-11/2013)

(Provides 24x7 on-call support)

Administered over 300 Linux physical and virtual servers, this included installing new software, validating that the software was correctly installed and configured on the correct machines.

Setup and Maintain DNS, DHCP, LDAP, WebServers (Apache), NFS, FTP and Samba for File Sharing on Red Hat Linux and Windows servers.

Patching Linux Servers every 6 months.

Install and Configure application in Veritas Cluster Server (VCS).

Scheduling used tools such as Cron, set up collaborative directories (sgid/ sticky/ setfacl), NFS/Autofs. (Included ssl/https, selinux contexts and ports, protected password directories, home web directory access, virtual hosts, etc).

Creating and installing new servers using PXE Server, Kickstart.

Managing servers using Puppet Configuration Management tools.

Virtualization: VMware - ESX, ESXi Servers, Vcenter. Install and configure virtual machines.

Systems Analyst/Systems Administrator

Netwise Resources. Indianapolis, IN (03/2010 – 11/2012) Provides 24x7 on-call support

Responsible for all Linux servers, Installation and Configuration of Linux Servers, Red Hat Enterprise Linux, CentOS, Fedora Provide technical support to both staff and clients.

Set up and Maintain DNS, NFS, DHCP, NFS, Sendmail, Apache Web Server, Telnet, NIS+, Samba, SSH, Telnet, RPM Package Management. Nagios system and network monitoring.

Technical lead on a busy team, managing a geographically disperse environment of several hundred servers including large VMware Infrastructures, blades and enterprise servers

Primarily assisted for the Linux side of our Email systems, consisting of several spam firewall appliances as well as about 8 postfix and sendmail servers;

Provide advice and assistance with Linux issues including system/desktop support for several workstations. Provide support and troubleshooting for LAN/WAN connectivity, Windows 2000/XP workstations and Windows 2003 servers as required.

E D U C A T I O N

ANDIJAN STATE AGRO-ENGINEERING UNIVERSITY (1996-2000) Andijan, Uzbekistan

Major: Engineering

CERTIFICATES

VMware – certified Administrator on vSphere 5.5

Windows 2012 server administration

Linux Administration Certificate of Training

Completed Advanced IT training – Kernel technologies-Chicago, IL References are available upon your request

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