SUMMARY

• Experience in System Administration/Automation, Application Operations and DevOps. Experience in installing and maintaining the operating systems and configuring networks in Centos, Redhat, SUSE and Ubuntu based environments
• Excellent communication skills and extensive documentation experience clear understanding of business and ability to work as a part of team
• Specialist in automation (writing Shell and Perl scripts) to monitor UNIX production applications
• Shell scripting ability (solving “it can’t be scripted” challenges seems to be my talent)
• Great ability to work wif people to solve technical and business issues
• Experienced in UNIX, MAC and PC hardware, software and networking environments
• Experience in automation using Shell & Perl scripting, Ruby, Python and also experience in using automation tools like HPSA and Chef
• An extensive skill set dedicated to System Administration of Red Hat Enterprise Linux
• 3.x/4.x/5.x
• Proficient in all aspects of Red Hat Enterprise Linux (RHEL) Operating system from Installing, Configuring Hardware, and Customizing Applications using the latest technologies available to design fully automated operating systems
• Extensive experience in installing, upgrading, maintaining and configuring Red Hat Enterprise Linux on Dell Poweredge and HP servers using Custom and kickstart installation and Interactive Installation
• Experience in Upgrading, Migration, Backup, Disaster Recovery, Performance monitoring and Fine - tuning of systems running various Linux platforms
• Performed Disk Mirrors and RAID 0, 1 and 5 levels on several UNIX and Linux servers.
• Configuring SUDO and granting root permission to TSM Backup Admins/DBAs to perform root related activities
• Upgraded servers using RPM Package Manager and Yum
• Strong technical background in Logical Volume Manager (LVM) and logical partitioning
• Experience installing backup software on Linux and UNIX servers
• Involved in developing custom images on Cloud using AWS images and on VMWare ESX using Templates and involved in building physical servers using Kickstart PXE Boot
• Build and document cutting-edge automation tools to improve capacity and velocity for software engineers and production operations
• Collaborate wif our development team to implement and evolve solutions for a wide array of challenging projects
• Improve provisioning, automation, configuration, integration, deployment and release processes
• Mentor, train and develop team members for career progression and learning
• Participate in 24x7 on-call rotation

TECHNICAL SKILLS

Operating Systems: RHEL v 4.x, 5.x, 6.x, Centos, Ubuntu v 6.10, 9.10, HP-UX v 10.2, 11.0,11.11, 11i v3, SUSE 9/10/11/12.

Hardware: HP Proliant DL 380, BL G4/5/6/7, HP C6000, C7000, DELL PowerEdge 1650, 6400, M905 wif 1000e enclosures, HP Proliant DL 380, 385, 580585

Server: Chef, Git, HPSA, RedHat Cloudforms, VmWare, NetGenie, F5, Men & Mice, Cloud9, AWS.

Management Languages: C, Shell Scripting - ksh, Bash and csh, Perl, Ruby, Python, HTML, PHPMYSQL, R

Data Base: MySQL, Oracle

Networking: SNMP, SMTP, TCP/IP, SSH, SSL, BGP, IGRP, EIGRP, PPP, LAN

Protocols: WAN, ARP/RARP, LDAP, FTP/TFTP, RIP, DHCP, DNS, NIS, NIS+

Desktop: Acrobat, Paint Shop Pro, MS Office, Novell Group Wise, Corel Perfect

Applications: Office, MS Works, Open Office, Dreamweaver and FrontPage

Internet: Apache Web Server 1.2, 1.3.x, 2.x & Tomcat on Windows, Linux and

WWW: Solaris, IIS 4.0, 5.0, 6.0, iPlanet 6.x, WebLogic 6.x, 7.x, 8.x, 9, 10, JBoss 4.2.x, Sendmail, Postfix, Mozilla, Webmin

PROFESSIONAL EXPERIENCE

Confidential, San Diego, CA

Sr. Application Operations/DevOps Engineer

Responsibilities:

• Working as an Application Operations Engineer wif Operations team in a 100% Production Environment
• Monitoring Applications & Services, Creating Dashboards using different monitoring tools like Splunk, Wily, Spectrum, OCI
• Performing periodic system maintenance's and pushing releases & updates across all tiers of Front-End & Back-End Application, Web and Database server's
• Shell Scripting to automate multiple tasks avoiding human intervention, thus making the over-all process efficient during season peaks
• Consistently monitoring system logs, alerts and managing customer traffic across Data-centers as per applications/services
• Log-tracking, problem-solving and documenting them simultaneously to improve efficiency for future reference
• Installation of Redhat Enterprise Linux 5.x/6.x & Windows 2008/2012 operating systems
• Involved in health check of servers after patching / rebooting and checking all the services of Linux servers on AWS Cloud and also physical servers
• Managed large production deployments using Chef
• Develop, manage and monitor the code deployment pipeline and environment configuration automation using Chef Enterprise
• Collaborate wif the software engineering, technology management and systems operations staff on standards for deployment, scaling, capacity planning and environment management
• Build highly scalable, available and reliable application hosting and networking solutions
• Experience wif CI, Jenkins and Continuous Deployment, following SDLC processes
• Experience wif large-scale web applications and managing large custom/proprietary application deployment pipelines
• Experience wif Git or Subversion to maintain Chef Cookbooks - Recipes

Confidential, San Diego, CA

Sr. Systems Engineer

Responsibilities:

• Installation of Redhat Enterprise Linux 5.x/6.x & Windows 2008/2012 operating systems using Kickstart PXE Boot as a part of Tax-Isolation project
• Creating Opsware implementation records and populating server specs prior to system build
• Shell Scripting to automate Provisioning for multiple systems avoiding human intervention on consoles, thus enabling bulk provisioning
• Provisioned different types of servers - Bigdata (Casandra, Gluster, Hadoop), Baremetal and Virtual machines for database, app and web servers
• Performing Port-flips on machines using netgenie thus enabling servers to communicate over the network
• Working on LDAP/Active Directory user accounts and configuring ldap on client machines
• Performing communication tests on client machines
• Developing scripts to configure machines as a part of post-provisioning
• Post-provisioning machines based on the specific requirements provided by different teams using HPSA
• Performing validation and QA tests on machines before delivering it to respective app teams
• Providing support to multiple teams and help customizing systems as per the requirement
• Working wif documentation expert to help develop build documents and protocols
• Error-tracking, problem-solving and documenting them simultaneously to improve efficiency for future builds
• Consistently communicating and coordinating wif the off-shore team for status updates
• Designing Shell scripts to perform system-wide Health checks for auditing purposes
• Remediating disambiguty between servers and prepping them for season readiness

Environment: RHEL 6.x/5.x, Windows 2008/2012, VMware ESX 5.x, Bigdata (Casandra, Gluster, Hadoop), HP DL 380 G3, 4 and 5 & Dell Power Edge servers

Confidential, Irving, TX

Sr Linux System Admin

Responsibilities:

• Installation, configuration and upgrade of Redhat Linux 3/4/5/6, Cent OS 5.7operating systems.
• Remote monitoring and management of server hardware and also servers in Amazon AWS.
• Involved in developing custom images on Cloud using AWS images and on VMWare ESX using Templates and involved in building physical servers using Kickstart PXE Boot.
• Involved in health check of servers after patching / rebooting and checked all the services of Linux and Windows servers on AWS Cloud and also physical servers.
• Experience installing Puppet agents and pushing Manifests/Modules to 500+ Puppet clients.
• Setup and Configuration of Puppet Configuration Management.
• Wrote puppet manifests for deploying, configuring, and managing collectd for metric collection and monitoring.
• Build automatic provisioning system wif kickstart and Puppet.
• Built Puppet manifests and bootstrap scripts to allow us to bootstrap instances to various roles wifout having to maintain AMIs.
• Implemented Puppet modules to automate configuration of a broad range of services.
• Experience working on AWS Cloud Images and involved in supporting AWS VPC environment.
• Installation and administration of DNS, NIS & DHCP servers on Windows 2008/2012 and Linux 5/6.
• Extensively involved in troubleshooting bottlenecks of Memory, CPU, Devices and Network using ps, vmstat, iostat, netstat, sar, snoop, nfsstat and sar commands, tuning the performance.
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Worked on Firewall implementation & Load balancer between various Windows servers.
• Associated wif DBAs for installation of Oracle database on Linux servers & for tuning, backup and restore.
• Scheduling the jobs by creating crontabs /Crontabs on Linux and Windows Servers.
• Responsible for providing technical support and providing production support for internally developed application.
• Responsible for monitoring and working on problem tickets. Following it up wif business and technical teams, and ensuring the problem is successfully resolved.
• Responsible for documenting the issue, cause and resolution.
• Perform operational tasks and activities e.g. monitoring log files, performance tuning and migration between environments.
• Monitor the performance and availability of key middleware components in production and test environments.
• Has been the on-call person for the application, worked wif the appropriate team members to bring the issue and get a resolution.
• Worked on customer tickets which are related to our application and help application team for the configuration changes and the file drops on the different servers.
• Configured IIS on Windows 2008 Servers and Apache on Linux environment.
• Configured the systems for TCP/IP Networking wif the existing LAN, Setting up SSH and SCP.
• Ability to write Shell & Perl scripting.
• Troubleshooting and configuration of Local and Network based printers.
• User, Group Administration and Advanced File Permissions.
• Worked on Log Parser and parsed logs based on the requirements of the App team.
• Maintain security for the networked environment while allowing users to access all data and software remotely.
• Worked on JIRA, Adding users to JIRA, Implementing the password policy to JIRA users.
• Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
• Involved in developing custom scripts using Python, Perl & Shell (bash, ksh) to automate jobs.

Environment: RHEL 6.x/5.x, Cent OS 5.7, Windows 2008/2012, Apache 1.2/1.3/2.x, Logical Volume Manager, Veritas netbackup 5.x/6.0,VM ESX 3.x/2.x

Confidential, Charlotte, NC

Sr. Linux Administrator

Responsibilities:

• Installing and upgradingOE & RedhatLinux on Servers like HP DL 380 G3, 4 and 5 & Dell Power Edge servers.
• Experience working in AWS Cloud Environment like EC2 & EBS.
• Implemented and administeredVMware ESX 3.5, 4.xfor running the Windows, Centos, SUSE and Redhat Linux Servers on development and test servers.
• Experience working EMC SAN Storage arrays like EMC Clariion and configured RAID groups and created LUN’s on them.
• Involved in Day to day to activities on Solaris, Linux and also performed upgrades and migrations using different third party tools like rsync & Double take.
• Installed and configured Apache on Linux and Solaris and configured Vitrual hosts and applifed SSL certificates.
• Implemented Kickstart for redhat environments.
• Experience working wif HP LVM and Redhat LVM.
• Experience in implementing P2P and P2V migrations.
• Involved in Installing and configuring Centos & SUSE 11 & 12 servers on HP x86 servers.
• Implemented HA usingRedhat Cluster and VERITASCluster Server 5.0forWebLogicagent.
• Managing DNS, NIS servers and troubleshooting the servers.
• Worked wifVERITAS Foundation Suite 5and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• Troubleshooting application issues on Apache web servers and also database servers running on Linux and Solaris.
• Experience managing EMC SAN devices like clarion and performed tasks like creating LUN’s on RAID groups.
• Experience in migrating Oracle, MYSQL data using Double take products.
• Experience in migrations of Linux servers from EMC DMX to VMAX arrays using Veritas Re-compiling Linuxkernelto remove services and applications that are not required.
• Performed performance analysis using tools likeprstat, mpstat, iostat, sar, vmstat, truss, Dtrace.
• Experience working on LDAP user accounts and configuring ldap on client machines.
• Upgraded Clear-Case from 4.2 to 6.x running on Linux (Centos & Redhat)
• Performed security analysis using tools likeJASS, nmap, nessus, snort.
• Patching of OS on mirrored servers afterdetaching and re-attaching the sub-mirrors.
• Implemented the monitoring tools likeNagios 3.0to monitor services likeCPU, Hard Drive, Memory, Users, http, sshetc.
• Experience in supporting Tru 64 5.x OS running on Compaq HW.
• Experience supporting middle ware servers running Apache, Tomcat and Java applications.
• Worked on day to day administration tasks and resolve tickets usingRemedy.
• UsedHP Service centerand change management system for ticketing.
• Troubleshooting and performance tuning issues wif applications likeOracle 10g, MySQL, JBoss 4.x, WebLogic 10, MQSeries 6.x & JavaApplications on operating systems which includedRHEL.
• Worked on the administration of theWeb Logic 9, JBoss 4.2.2servers including installation and deployments.
• Worked onF5 load balancers to load balance and reverse proxyWebLogic Servers.
• Shell scriptingto automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Environment: Centos, SUSE 10, 11, RHEL 3, 4.x, 5, VERITAS Storage Foundation 5, Redhat Cluster, VERITAS Cluster Server 4.1, VMware ESX 3.x, HP PA-RISC, HP ITANIUM servers, HP DL 380 G5

Confidential, Irving, TX

Systems Administrator

Responsibilities:

• Installation ofCentos, Redhat Linux EL 4.x based servers using Kickstart indevelopment, test and production environments.
• Implemented and administeredVM Ware ESX 3.5 and 4.1.
• Performed project coordination function forevaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms.
• Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
• Proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling of batch jobs and cron jobs.
• Upgraded over 35 servers wifVERITAS Volume Managerfrom3.x to 4.0.
• Responsible for user administration and management usingSUDOandRBAC
• MaintainedVolumesandFile systemsusingVxVM / VxFS for Oracle, DB2, Sybase MySQLdatabases.
• Used VxVM toadd disk, create new disk groups/volumes, resize, deport and importdisk groups between servers.
• Supported server running dataware housing application and terradata database.
• Experience wif runningSQL queries on Oracle and MySQL.
• UsedVERITAS Cluster Server 4.1to create high available environments forNFS, WebLogic and Sendmail agents.
• Managed and supported LDAP environment running on Unix OS.
• Performedsystems monitoring, upgrades,performancetuning and backup and recovery.
• Implementation of naming services like DNS wif Bind 8.4.x and NIS.
• Troubleshooting and fixing the problems related to systems, software and day to day regular maintenance tasks of the system.
• Respond toemergency callsrelating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve the issue.
• Responsible forqualityreviewsandstandards.
• Provided24x7on-call /RemoteSupportfor UNIX Production Problems on weekly rotation basis.
• Troubleshooting day-to-day server related issues and problems.

Environment: Centos, Redhat Linux AS 2.1, 3, HPUX 11.0,11.11, HP OV, TSM, VERITAS Volume Manager 3.x/ 4.x, Guardium, Best1, BindView, SysEdge, Tripwire, ITA, NIS, NFS, DNS, DAS/SAN/NAS, WebLogic, Webmethod, Apache, Perl.

Confidential

Linux / Solaris Systems Administrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Installing and configuring WindowsActive directory server 2000and Citrix Servers.
• Published and administered applications viaCitrix MetaFrame.
• Creating and Autanticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working wifVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• User administrationwhich included creating backup account for new users and deleting account for the retired or deleted users.
• Implementing backup solution using Dell T120 autoloader and CA Arc Serve 7.0
• Managing Tape Drivesand recycling it after specific period of time as per the firms policies.
• Working wif DBA’s forwriting Scripts to take database backupandscheduling backup using cron jobs.
• Creating UNIX and PERL scripts forautomated data backup, status of the storage.
• Installing and configuringOracle 8i database and Sybase server on Solaris after creating the file systems, users and tuning the kernel.
• Installed and ConfiguredSSHGate for Remote and Secured Connection.
• Setting up labs from scratch, testing hardware, installing and configuring various hardware devices likeprinters, scanners, modems, network and communication devices.
• Configuration ofDHCP, DNS, NFS and automounter.
• Creating, troubleshooting and mounting NFS File systems on different OS platforms.
• Installing, Configuring and Troubleshooting various software’s like Windd, Citrix - Clarify, Rave, VPN, SSH Gate, Visio 2000, Star Application, Lotus Notes, Mail clients, Business Objects, Oracle,Microsoft Project.
• Troubleshooting and solving problemsrelated to users, applications, hardware etc.
• Working 24/7 on call for application and system support.
• Experience in working and supported SIBES database running on Linux Servers.

Environment: Solaris 7, 8,redhat Linux 7.x, 8, 9, Windows 2000/NT, VERITAS Volume Manager 3.5, Oracle 8i, SSH Gate, Cisco router, Brocade switches, DHCP, DNS, NFS, Automounter, Sun E4500, E3500, 280r, E220.

Confidential

Junior Linux / Systems Administrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Installing and configuring WindowsActive directory server 2000and Citrix Servers.
• Published and administered applications viaCitrix MetaFrame.
• Creating and Autanticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working wifVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• User administrationwhich included creating backup account for new users and deleting account for the retired or deleted users.
• Implementing backup solution using Dell T120 autoloader and CA Arc Serve 7.0
• Managing Tape Drivesand recycling it after specific period of time as per the firms policies.
• Working wif DBA’s forwriting Scripts to take database backupandscheduling backup using cron jobs.
• Creating UNIX and PERL scripts forautomated data backup, status of the storage.
• Installing and configuringOracle 8i database and Sybase server on Solaris after creating the file systems, users and tuning the kernel.
• Installed and ConfiguredSSHGate for Remote and Secured Connection.
• Setting up labs from scratch, testing hardware, installing and configuring various hardware devices likeprinters, scanners, modems, network and communication devices.
• Configuration ofDHCP, DNS, NFS and automounter.
• Creating, troubleshooting and mounting NFS File systems on different OS platforms.
• Installing, Configuring and Troubleshooting various software’s like Windd, Citrix - Clarify, Rave, VPN, SSH Gate, Visio 2000, Star Application, Lotus Notes, Mail clients, Business Objects, Oracle,Microsoft Project.
• Troubleshooting and solving problemsrelated to users, applications, hardware etc.
• Working 24/7 on call for application and system support.
• Experience in working and supported SIBES database running on Linux Servers.

Environment: Solaris 7, 8,redhat Linux 7.x, 8, 9, Windows 2000/NT, VERITAS Volume Manager 3.5, Oracle 8i, SSH Gate, Cisco router, Brocade switches, DHCP, DNS, NFS, Automounter, Sun E4500, E3500, 280r, E220.