SUMMARY

• Hands on experience on Linux Servers - RedHat Enterprise Linux, SUSE Enterprise Linux,
• Over 5 years of extensive experience in Unix/Linux systems as System Engineer and System Administrator on versions of RHEL 4/5/6, SUSE, CentOS and AIX 5.2/5.3/6.1 VMware Infrastructure 5.x Installation & Configuration.
• System Administration and Server Virtualization, worked closely with development, storage, quality assurance, database, networking and customer support teams to meet business and technical demands
• Ubuntu, CentOS, Fedora, Redhat Satellite.
• Scripting: Bash, ruby, python, ksh, perl, shell
• Virtualization: VMware - ESX, ESXi, Server, Xen, KVM, VirtualBox
• Cisco Certified Network Associate with knowledge of network performance & tuning strategic planning.
• Networking: Wireshark, ping, tcpdump, telnet, netstat, netcat, nmap.
• Security: Network - firewalls, IDSs, IPsec, VPNs, iptables, tcpwrappers. File System - SELinux, ACLs
• Office tools: Open Office, Star Office, MS office 2013/2010/2007
• Fully proficient with Hardware, network infrastructures,RF engineering principles (RF communications theory, design principles, network optimization, propagation modeling and prediction, etc.)
• Coordinate with RF Design team in order to provide accurate input to the RFDS team.
• Worked with Project Manager to ensure timely delivery of the RFDS
• Knowledge of transmission, broadcasting, switching, control, and operation of telecommunications systems
• Have good communication, presentation and interpersonal skills
• Experience in PowerHA, AIX versions 6 and 7, PowerVM (VIO), HACMP, Scripting and knowledge of Red Hat Linux.
• Configuration of HACMP 4.5, 5.1, 5.2, 5.3 as well as performing failover and failback of HACMP Clusters on a regular basis as per the application requirement.
• Migration of HACMP from version 4.5 to 5.1.

TECHNICAL SKILLS

O/S: • HP-UX 9.x, 10.x, 11.x • Linux (RHEL4/5/6) • IBM AIX 3.2.x, 4.x, 5.x

Hardware: HP, DELL, IBM, PSeries, SUN Enterprise.

Servers: Web Sphere Application Server 3.5/4.0, Netscape/iPlanet Server, MQSeries, Web Logic Server, IBM HTTP Server, SQL, IBM XIV, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, J2EE, Apache 2.2, Tomcat 5.5, Active MQ

Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, GPO, LAN.

PROFESSIONAL EXPERIENCE

Linux/Unix Admin

Responsibilities:

• Linux (RedHat 3/4/5/6) UNIX System and Network administration in Sun Solaris (9/10), HP-UX (10.x,11.x), IBM AIX (5.x), Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux and AIX.
• Provide onsite and remote support for Linux Server’s.
• Provided 24x7 on call server support for UNIX environment including AIX, Linux, HP-UX, and Sun Solaris.
• Installed and configured various services like DNS, LDAP, DHCP, RPM, Send mail, Apache Web Server, Web Logic, NIS, SSH, Tomcat, Telnet, HTTP, HACMP, GPFS, SSL, NetApp, RPM Package Management and others.
• Responsible for Installing and planning configurations of all our SP systems and stand-alone pSeries systems.
• Tested resource consumption from the AIX operating system and from server internals views using Tivoli
• Tested ESS storage system by allocating storage to hosts and monitor storage growth and performance.
• Performed server new builds installation and application deployment on AIX and Solaris boxes, functional and unit manual and automated testing.
• As AIX tester was responsible for ensuring that all AIX builds are thoroughly tested after being built, which was reflected in the design documentation.
• Administration inVERITASVolume Manager.
• Unix Cassandra, KSH, SQL, Shell Scripting, MTA, AME, VBA, SVC, SSI, LAN, WAN, PHP, JFS, AMS, SME, bash, perl, python, Chef automation tool, Jboss, Ansible, GitHub, Ruby, Jenkins, Splunk, CF engine, NTP, OLE, Openstack, Networking.
• Knowledge of Solaris, SFTP, SDMC, GCO, LPAR, Kickstart, hmc, FC, FcoE, AMS, Sybase..
• Implementation & Managing of RAID levels like 0, 1 and 5 usingVERITASVolume Manager.
• Installed and Tested Oracle 10g databases on AIX 5L for internally developed projects
• Developed automation scripts to install AIX operating system and Oracle components
• Tested BMC Patrol Agent for server monitoring; OEM for database monitoring.
• Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
• Installation and troubleshooting on VMware running Linux (RHEL, SUSE) and Windows.
• GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
• Installation and configuration of LPAR’s with AIX 5.3 on p5 servers.
• Administrating the Corntab for the Backup and Logs Scheduling Scripts.
• Experience in Installation, Configuration and Troubleshooting of Tivoli Storage Manager (TSM).
• Remediating failed backups, take manual incremental backups of failing server’s.
• Upgrading TSM from 5.1.x to 5.3.x.
• Creating, mounting and maintenance ofVeritasFile Systems (VxFS) on all layout methods.
• Hardware troubleshooting, Maintenance and replacement of failed hardware.
• Provide redundancy with HBA card, Ether channel configuration and network devices.
• Coordinating with application and database team for troubleshooting the application or Database outages.
• Coordinating with SAN team for allocation of LUN’s in order to increase filesystem space.
• Configuration and administration of Fiber card Adapter’s and handling AIX part of SAN.
• Configuration of VIO server and VIO clients from Hardware Management Console.
• Upgrading HMC version and Firmware.
• Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.

Confidential, Skokie, IL.

Linux/Unix Administrator

Responsibilities:

• Installation, setup and configuration of RHEL, CentOS and VMware Virtual Infrastructure products in different hardware are in a datacenter environment.
• Performed day to day Linux administration such as user accounts, logon scripts, directory services, file system shares, and permissions etc.
• Responsible for resolving network issues using network tools like ping, tcptraceroute, traceroute and tcpdump.
• Installation, configuration of MySQL 5.1 which includes creating database tables, updating table entries.
• Server build and maintenance of system/core applications spread across AIX 5L/6.1/7.1 Servers
• Experience with puppet 3.X and 4.X and also familiar with Razor technology.
• Implementation of advance partitioning schemes like Software RAID and LVM
• Job Scheduling using Cron.
• Hands on experience on Linux Servers, Ubuntu, RedHat Enterprise Linux and SUSE Enterprise Linux.
• Build and upgraded puppet master for each Dev/ QA Prod environment.
• Patching Red Hat Linux servers using YUM.
• Having knowledge of Web servers like Apache, Nginx.
• Installed, configured and managed VMware infrastructure (ESXi, Virtual center).
• Create, clone, migrate and manage VM’s using KVM and CVS.
• Administration of RHEL AS 3, 4, 5 & 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Providing technical support on application server-related and web applications issues.
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Unix using VCS in heterogeneous SAN environment.
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Deployment of applications on Linux / UNIX environments.
• Managed the SAP support team in areas such as; development of customer support processes (internal and external) and technical planning.
• Help support a 24/7 Linux/Windows trading environment.
• Actively involved in installation and configuration of puppet, SMTP, and SNMP on servers to monitor services and its hardware.
• Ensured effective security, operation and peak performance of SAP environments.
• Installing configuring and supporting CentOS / Red Hat Linux Container / virtual machines.
• Administration of RHEL and AS 4, 5, 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Conducted Disaster Recovery management and testing.
• Hands on experience installation of Oracle RAC, MYSQL, HPP9500, HP3PAR, HP XP24000.
• Monitored and manage the 24x7 operation of multiple high volumes Company s web sites to ensure highest stability, availability and customer experience
• Coordinated with vendors, development, business partners and escalation support teams
• Executed all aspects of site planned and unplanned maintenance activities
• Developed timelines for problems that assist in root cause analysis

UNIX/Linux Admin

Responsibilities:

• Administered multiple IBM machines (p7-770,p7-795,p6-570,p5-520, p5-550, p5-570 and p5-595) running AIX 5.3/6.1/7.1
• Configured VIO server
• Worked on HP Unix.
• Monitoring and configuring various servers using puppet modules.
• Worked on storage migration EMC storage
• Hands on experience with Chef and puppet.
• Good in documenting all the technical tasks.
• Administration of RHEL AS 3, 4, 5 which includes installation, testing, tuning, upgrading and loading patches, load balancing, troubleshooting both physical and virtual server issues
• Administrating, Installing, configuring and supporting CentOS
• Providing technical support on application server-related and web applications issues.
• Deployment of applications on Linux / UNIX environments
• Help support a 24/7 Linux/Windows trading environment.
• Creating Zones, containers, LDOMs on Unix servers, creating zpools, ZFS file system installing Oracle, Java based applications on them.
• Conducted Disaster Recovery management and testing.
• Monitored and manage the 24x7 operation of multiple high volumes Company s web sites to ensure highest stability, availability and customer experience
• Good experience in DNS and TCPIP
• Worked with shell scripting and patching
• Experience on WebSphere 5 & 6 administration
• Installed, configured and supported Web Sphere Application Server, IBM HTTP/ Apache Web Servers in AIX and Linux environments.
• InstalledUnix and Linux created user logins, administering the system performance and monitoring user activities.
• Installed VERITAS volume manager and implemented various RAID levels, logical volume creation, mirroring and file systems
• Installation, configuration and maintenance DNS servers, Mail servers, NFS and NIS on Linux servers
• Worked on Oracle database and application servers
• Responsible for servicing trouble-ticket requests, 3rd-party software installation in a homogeneous AIX 5.1/5.2/5.3/6.1 environments.
• Created and configured logical partitions (LPAR) on IBM systems using Hardware management console (HMC).
• Analyzed server hardware and application architecture information to design server migration/consolidation strategy
• Strong leadership and communication skills with the ability to drive issues to completion on an aggressive schedule

Confidential, San Diego

UNIX Admin

Responsibilities:

• Plan, design, install, configure, troubleshoot, administer and performance tune AIX 4.3, 5.1, 5.2, 5.3 and 6.1, Red Hat Linux Version, HP-UX, and SLES Linux.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers
• Configured and administrated LPARs.
• Implementation of OS security as per ITRM standards.
• Migrated from HACMP 4.3 to 5.1 and from HACMP 5.1 to 5.2 and 5.4.
• Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
• Responsible for installation and maintenance of VFSX in a clustered environment.
• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal 5.1/6.0 on AIX, UNIX and Windows.
• Installation, administration of VIO Server and VIO client LPARs. Configuration of VIO server and VIO clients from Hardware Management Console. Upgrade VIO version 1.4 to 1.5 and 1.4.1.2-FP-9.2 to 2.1.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
• Dealt with AIX side of SAN; troubleshooting fiber card adapter, replacing fiber card adapters and configuring LUNs back.
• Installed Web Sphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Install, configure and administer MQ 5.3/6.0 on AIX, Linux and Windows environments.
• Experienced in Storage Enterprise Cost Reduction, Storage Consolidation, Backup and recovery Methodologies, Storage Replication and Disaster Recovery Solutions.
• Knowledge of ITIL and Business Continuity processes, experience with tape technologies, Information Life Cycle Management.
• Experienced with operating and performance tuning storage platforms across the organization to ensure high levels of data quality, availability and security.
• Managed systems to the HMC and upgrade the firmware of the HMCs as required.
• 24x7 on call server support for UNIX environment.