SUMMARY:

• More than 25 years in Information Technology Systems Administrator experience. Including 15 years of Sun Solaris Unix, 15 years of Linux and more than 20 years of Systems Administration experience in Sun Solaris Unix, Ubuntu, Red Hat, Cent OS and Fedora Linux, Microsoft Windows 2008 Servers.
• Managed more than 25,000 servers in both office and data center collocation for staging and production systems in the IT Operations department by open source Linux operating systems.
• Automated Unix Jumpstart & Linux KickStart Cobbler, Chef, CMC (Configuration Management Controller), Puppet for installation and configuration, command - line and Bash shell scripting.
• Implemented multiple platforms such as Red Hat, CentOS, Fedora, SUSE, Ubuntu Linux, Solaris Unix, OpenStack, Open Source applications, GitHub, Jenkins, etc.
• Organize and optimize tickets or any internal/external customers’ requirement systems as a lead/manager.
• Excellent interpersonal and communication skills, as well as oral and written skills.

PROFESSIONAL EXPERIENCE:

Confidential, Milpitas, CA

Sr. Systems Engineer/Team Lead

• Implemented with maintaining and supporting WebEx Meeting Services Operation systems Production & Federal change & deployment by open source applications with daily dashboard monitoring tools.
• Monitor, support and deploy WebEx multi-components solutions at scale, impacting millions of customers worldwide with open source solutions including Federal and Business customers.
• Extended knowledge of Configuration Management Console, Puppet, Jenkins, Jira & monitoring by Monitor Console Tool.
• Knowledge and familiarity with Linux shell, system internals, LB network, Java, etc.
• Experienced in Build Automation tools like Jenkins, Release Management with CI/CD, Jenkins, GIT branching strategy Interact with Client’s engineering teams across geographies.
• Support production systems On Call once a week in a month by Pager Duty.

Confidential, Sunnyvale, CA

Mobile Search Production Engineer/Team Lead

• Support, manage and plan in Dev Ops team to setup/install/patch software packages and assist to debug and fix the system alerts of production system services from OpenStack in Ubuntu, CentOS Linux CLI.
• Responsible scripting by command-line of DevOps, capacity planning, performance management, deployment and release engineering by using tools like Apache, Chef, GitHub, Puppet and Hadoop, etc.
• Work with team for On-Call, monitor Splunk, Yamas, Nagios and multiple cross-functional helping deliver the new and better experiences to the users while ensuring Security, Reliability for Search services.
• Performed project managed Qualys Vulnerabilities scan and check Linux/Unix hosts to patch the systems.

Confidential, Mountain View, CA

Sr. Production Ops Systems Engineer

• Manage and administer a uniform group of infrastructure components and act as a tier one interface to IT/non-IT users, troubleshot/resolved tickets from Ops Jira tickets as well as dispatching complex tickets.
• Perform System Administration activities on AIX, Sun Unix, Ubuntu, Redhat, CentOS Linux, & Windows.
• Support various web services including Apache, Tomcat, Tomcat Jenkins, WebLogic, and JBOSS.
• Manage and install web certificates (SSL, Client Authentication Certificates) by open source applications.
• Maintain and use tools like Splunk, Keynote, Puppet and Nagios for troubleshooting and reporting.
• Perform system administration scripting such as provisioning and troubleshooting on the following OS platforms: Redhat, CentOs, Ubuntu, Debian Linux, MS Windows, IBM AIX and Solaris UNIX.

Confidential, Santa Clara, CA

Sr. IT Unix/Linux Systems Administrator

• Install and configure OSSEC, VMware vSphere Exs/Exsi 3, 4 & 5 servers and Ubuntu & Redhat Enterprise Linux servers and responding to Data Center Ops team for servers move and decom EOL physical boxes.
• Duty including On-Call and automation configuration, troubleshooting Puppet and VMware management.
• Setup and configure sFTP servers systems by implementing one Dev system with 2 load balanced production servers all from the virtual servers within 60 days.

Confidential, San Jose, CA

Sr. Linux Systems Administrator

• Configure, Automate and manage CentOS Linux install by Cobbler and responding to Accenture VM servers. Duty including manage MySQL DB App servers Apache, Tomcat, Jenkins, and Puppet Labs, etc.
• Implement and maintenance Backup/Storage solution by conferencing better system performance tuning.
• Watch and monitor the health of server/desktop systems by configuring Nagios and Splunk that indexes IT data from application, server or network device for QA & Developers systems performance/uptime/logs.

Confidential, CA

Sr. Linux Systems Administrator/ Team Lead

• Install, configure Rocks Cluster, CentOS Linux cluster, DUO and responding to servers outages. Duty including the procurements, troubleshooting and management server room power/temperature problems.
• Implement and maintenance RAID array storage systems by fine tuning Bash/SH scripts and adding cron jobs to better system performance tuning. Help implement Mac notebook with OS X Apple OS.
• Applying government security requirement to harden Linux by patching and removing, users, services.
• Watch and monitor the health of server/desktop systems that setup Ganglia to see clusters’ performance.

Confidential, Santa Clara, CA

Unix/Linux Systems Admin

• Initiated Setup and Configure Red Hat Kickstart server and install clients for Linux systems in the data center and labs for QA and Dev engineers with NIS domain and Nagios monitoring tools.
• Implement & maintenance corporate production Solaris Unix and Red Hat/CentOS/Fedora/Ubuntu Linux 500+ Servers, Enterprise & Engineering servers, backup by Veritas NetBackup and storage by NetApp.
• Coordinated with ClearCase admin to setup/configured files and update packages to meet the requirements.
• Install, configure and upgrade Servers on Fedora 13, Red Hat 5 Linux with Yum, puppet and Xen, VMware Esxi.
• Managed and monitor daily 10+ ticket requests for performance and resources by BMC Remedy.
• Rewrite Add/Remove users Shell scripts and accomplished 70+ users IDs conversion within 2 months.

Confidential, San Jose, CA

SDS Unix/Linux Systems Admin

• Setup Red Hat Kickstart for IBM x/iSeries and Intel server hardware setup and configure Linux with Backup and NetApp Storage in the data center and labs for QA testing and development engineers.
• Setup and install BigFix and scan Qualys scan for severity vulnerability requirements.
• Coordinated with DB2/Oracle DBA to configure SWAP files and update packages for the requirement.
• Install, configure and maintain more than 1000 xSeries on Ubuntu, SuSE 9, 10 & 11 Red Hat 4 & 5 Linux, VMware Esxi server administration and manage NFS mount, plus document Inventory for Security team.
• Managed and monitor daily 20+ tickets for performance and resources by Rational ticketing system.
• Successfully setup, configured, and documented 100+ new Linux systems within a couple of weeks.

Confidential, Sunnyvale, CA

Colo/Data Center Linux Systems Support

• Setup PXE boot Kickstart server, manage HW mount and install, configure CentOS Linux in data center.
• Coordinated with MySQL DBA for Data Center HW location and manage to faster way to update database.
• Install, configure and maintain hardware on CentOS Linux, VMware Esxi server administration.
• Managed hardware mount with monitor and systems performance and resources by using Avocent KVMs.
• Successfully setup, configure more than hundreds Linux hosts and assigns servers into F5 Load Balancer.
• Install and setup CentOS, Fedora, Ubuntu, RedHat Linux and perform systems administration daily tasks.

Confidential

IT Operations Systems Administrator

• Manage projects such as NAB (Name Address Book) on IBM System x3550/x3650 and System zSeries. 24/7 Production Servers Support. Participate in On-Call duties on a Bi-weekly rotational basis.
• Setup Kickstart RedHat, SuSE, Ubuntu Linux installation, VMware Esxi3 installation/configuration.
• Setup and tune Apache, Tomcat Java, JBoss, Ant, MySQL, and Open Source application packages.
• Implement Nagios and SiteScope monitoring tools for monitoring and eliminating systems downtime.
• Setup and implemented Open Source applications such as Apache, Oracle (SunOne) Java, MySQL, etc.

Confidential, San Jose, CA

Unix/Windows Systems Contractor

• Support SW Group for Solaris Unix, Ubuntu, RHEL, CentOS Linux, and Windows servers & desktops.
• Accomplish and deploy Unix patch upgrades, enhancements, and configuration changes for Security Audit.
• Proficient device drivers such as Dell PowerEdge, IBM x, z Series or Sun Ultra, and updated patches.
• Accomplish Setup SW and configure on VMware Esx servers for supporting cell phone customer vendor.
• Produced Linux server enhancements and DNS /DHCP configuration in timely matter.
• Troubleshooting and perform tuning and configuration for Engineering systems in their server rooms.

Confidential, San Jose, CA

I T Technical Support Windows/Linux/Unix Consultant

• Consulted and Coordinated with many mid-size high tech companies for company’s network from beginning to support Solaris, FreeBSD, and NetBSD Unix, Red Hat, CentOS, Ubuntu Linux and Windows.
• Deployed and managed company website with performance tuning that saved outsourcing fund.
• Implement Red Hat, Ubuntu Linux, Sun Solaris Unix, & Windows NT/2000, and email applications.
• Configured and maintain network setup Windows 2000 server with Oracle 9i installation and configuration.

Confidential, Santa Clara, CA

IT Unix/Linux/Windows Systems Admin

• Achieved QA Labs iPlanet move for desktops and servers, Multiple Linux platforms, Sun Solaris Unix, Veritas Volume manager, NetBackup and Oracle 9i in Solaris servers.
• Successfully upgraded and implemented QA Lab and Data Center systems with the move team.
• Automate Windows NT and LDAP Unix account creation using Perl shell scripts.
• Set up test environments under Microsoft Windows 2000 with Linux and Sun Solaris Unix systems.

Confidential, Santa Clara, CA

Systems Analysis

• Support Finance and HR department in Novell, Solaris 2.5 and NT 3.52 Network server’s administration.
• Lotus Notes 4.11 Domain Server system administrations and troubleshooting.
• Coordinated user and supported issues for the new operating system deployments.
• As a Windows team lead to determine needs and find out problems and resolved within their SLA.

TECHNICAL SKILLS

Operating Systems: RHEL 4/5, CentOS 5/6, Fedora 10, SuSE 10/11, Ubuntu Linux, Sun Solaris 8, 9 & 10 Unix. Windows 2003 Server Active Directory, XP and Vita Pro, Mac OS X, iMac, VMware Esxi 3.

Hardware Devices: Mac Books, Dell PowerEdge IBM System xSeries, Cisco routers and switches Catalyst series, F5, AX2100 Load Balancers, EMC, NetApp Filer View Storage boxes.

Application: MySQL Enterprise, JAVA, JBoss, ANT, F5 Load Balancers, Nagios, VMware, Symantec CMC, Jira, GitHub, Jenkins, Altiris, Linux Kickstart, Solaris Jumpstart, Cobbler, Puppet, GIT, SVN.

Transferable Skills: Communication, ability to work with a diversity of people, ability to plan and organize, time management, analytical problem solving, customer service skills.