SUMMARY

• System Administrator with around 8 years of experience in Administration and Development of Red Hat Linux, SUSE Linux, Oracle EL, Centos, HP - UX and Solaris servers.
• Experience in installing, configuring and administrating Red Hat Linux AS 3.0 /4.0/5.x/6.x & SUN Solaris 8, 9 and 10, OEL, SuSE Linux Enterprise Server (SLES) 10.x, HP-UX 11.00, 11i,AIX 6,7, Windows NT, 2000 and 2003.
• Installed and Configured Solaris by using Jumpstart and Linux by using Kickstart.
• Experience working Amazon AWS Cloud services like EC2, S3, ELB, EBS, VPC, RDS, etc.,.
• Worked on Autoscaling, Cloudwatch(monitoring), AWS Elastic Beanstalk(app deployments), Amazon S3(storage) and Amazon EBS(persistent disk storage).
• Experience withpatching of Linux and Solaris servers and hardening of servers using native and third party tools.
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) onSolaris.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP, SMTP and RAID.
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN, OSI model, Firewall (checkpoint),
• Created and Managed File Systems (CFS) for Oracle & Sybase data bases.
• Experienced with the installation and configuration on Apache 2.x, 1.3.x, 1.2, Tomcat, WebSphere, JBoss4.0.x, 5.x, Web Servers, WebLogic 8.x, 9.x, 10.x, 11.x servers and LDAP servers.
• Configured DNS, LDAP, Apache HTTP servers.
• Experience in scripting languages such as Confidential, Perl, Python and Ruby.
• Experience in running SQL running queries and also performing online, offline and cold backups for Orcale and MySQL.
• Experience in SAN migrations from EMC DMX to VMAX at host level using HPUX, Linux and VERITAS LVM.
• Expertise in Volume management, Disk Management, software RAID solutions using VeritasVolume manager. File system Tuning and growing using Veritas File System (VxFS), planed, documented and supported high availability, fail-over, fall-back Solutions using Veritas Cluster Server in SAN environment.
• Worked with Backup Team to Configure the Master and Client Backup servers Using VERITAS Net Back up 4.5/5.0.
• Migrating, Configuring and installing zone andldom.
• Experience with private clouds such as VMware, OpenStack.
• Worked with VMware ESX servers, and Virtual Infrastructure client to create virtual guests
• Experience in migrating VMware ESX 3.5 to ESX 4.0&vSphere ESXi 4.1 to ESXi 5.0.
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Software configuration management using Chef and Puppet.
• Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
• Involved in installing Nagios montoring and Splunk services on Unix servers.

TECHNICAL SKILLS

OperatingSystems: Linux(RedHat4,5,6,CENTOS&SUSE),Solaris10/9/8,HP-UX11.0,11.11,11.23,11.31,IBMAIX (4.3/5.x),HPUX11iV1,V2&V3,SLES8,9,10&11, Ubuntu 12/13, WindowsNT/2000/2003.

Hardware: M5000, M8000, T5220, T5240 Sun E15K, E25K, Sun Fire 6800, Sun Fire 4900, Sun Fire 3800, SunFire 490, Sun Fire 280, v880, v890, Sun Enterprise Servers E6500, E4500, E3500, Work Group Servers E450, E420, E250, E220, Netra 1405, Netra X1, Ultra 80, 60, 30, 10, 5, 2, 1, Intel ServersExtreme network and Cisco switches, Brocade Switches, A1000, A5200, 3510, 3511, D1000, SunStore Edge T3, 9980, HP DL380 Gen7&8

Networking: TCP/IP,NIS,NFS,DNS,DHCP,CiscoRouters/Switches,WAN,SMTP,LAN,FTP/TFTP.

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming Lang &Databases: MySQL,Oracle,Sybase,MSSQL,C,UNIXShellScripting,PerlScripting,HTML,Perl,VBRuby, Python.

Backup Management: Veritas Netbackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, tar, cpio, dd, Tivoli, Symantec Netbackup 7.x

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk. Puppet, chef, HPSA

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

Virtualization: VMware vCAC, vSphere, vCenter, vCloud, VMware ESX/ESXi.

Cloud: AWS EC2, S3, RDB, ELB, EBS, VPC, Auto Scaling, DynamoDB

PROFESSIONAL EXPERIENCE

Confidential

Cloud/DevOps Engineer

Responsibilities:

• Experience on AWS cloud services like EC2, S3, RDS, ELB, EBSfor installing, configuring and troubleshooting on various Amazon images for server migration from physical into cloud.
• Involved in maintaining the user accounts (IAM), RDS, Route 53, VPC, RDB, DynamoDB, SES, SQS and SNS services in AWS cloud.
• Configured iLOip addresses and InstalledRedhat Linux 6.4, 6.5and Solaris 10 on HP x86 servers (C7000, DL360, DL380’s).
• Used LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Used puppet and Chef automation tools for configuration management in different systems.
• Wrote Puppet manifests in Ruby for deploying, configuring and managing collected for metric collection and monitoring
• Implemented and Enhanced the Existing Scripts which are developed in Confidential, Perl, Ruby and Python.
• Installed and upgraded Veritas Volume Manager 6.0 and used Veritas Cluster Server to create environments forWeblogic, NFS and sendmail agents.
• Experience in Managing SAN disks like EMC and VMAX using EMC Powerpath.
• Installed EMC Powerpath and create Storage RAID groups, LUN’s and assigning them to the servers.
• Experience in Troubleshooting and performance tuning issues with applications likeOracle 10.x, 11.x JBoss 5.x, WebLogic 11.x, 12.x.
• Expericence in installing and deploying Apache, JBoss 5.x
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
• Experience with F5 load balancers to load balance and reverse proxy servers.
• Experience in Weblogic and WSIL deployments.
• Installed and configured VMware products including vCAC, vSphere, vCenter, vCloud.
• VMware ESX/ESXi 5.x installation, configuration and maintaince.
• Built ESXi servers and implemented complete integration with SAN for VMotion in VMware DRS and HA enabled.
• Implemented automated Cloud infrastructure using Chef.
• Utilize Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Experience in Virtualization Softwares (Hypervisor, KVM, OpenStack etc.)
• Familiar with OpenStack concepts of user facing availability zones and administrator facing host aggregates.
• Experience in IaaS and PaaS in a hybrid cloud environment working with private and public cloud service providers, including Openstack.
• On-call support for 24/7 for troubleshooting production issues.
• Created a discussion group for cloud support team in shared point and also maintained all documentations here.

Confidential, Chicago IL

Sr. Linux/DevOps Engineer

Responsibilities:

• Installing and upgradingRedhat Linuxon HP x86 and Itanium Servers andSolarison Sun SPARC, HP DL 380 G 4, 5, 6 and 7 & Dell Power Edge servers.
• Installing and maintaining Solaris Jumpstart environment and Redhat Kickstart environment.
• Involved in application deployments in java using Anthill pro 4.x and 5.x component from development to production environment.
• Used Openstack and AWScloudservices to launch linux and windows machines, created security groups and written basic powershell scripts to take backups and mount network shared drives.
• Creating sparse root and whole root zones andadministeredthe zones for Web, Application and Database servers and worked onSMFon Solaris 10.
• UsedHP Service centerand Remedy change management system for ticketing.
• Troubleshooting and performance tuning issues with applications likeOracle 10g, JBoss 4.x, WebLogic 10, MQSeries 6.xand the operating systems which includedSolaris and RHEL.
• Worked on the administration of theApache, JBoss 4.2.2servers including installation and deployments.
• Experience in building customized RPM packages.
• Confidential scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.
• Experience in writing scripts in Ruby and Python for automation.
• UsedSun Volume Manager for Solaris and LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Experience in NAS environment carrying Netapp filers and EMC Celerras.
• Experience managing SAN disks like EMC Clarions and VMAX using EMC Power path and Volume management software.
• Experience working with GIT and LDAP.
• Worked withVERITAS Foundation Suite 5and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• Implemented HA using VERITASCluster Server 5.0forApache gent and Ldom.
• Installed, configured and administrated a multiple number of virtualization environments which includes LDOM, Zone and Hardware Domain etc.
• Implemented and administeredVMware ESX for running the Windows, Redhat Linux Servers on development and test servers.
• Installed and upgraded VMware vSphere ESXi 5.0/4.1/4.0 and ESX server 4.1/4/3.5.
• Configured VMware HA, VMware DRS in acquiring higher efficiency for VMware Infrastructure.
• Installation, configuration and troubleshooting of Redhat, Ubuntu on various hardware platforms on Amazon AWS cloud services.
• Worked on AWS service to create, launch, configure EC2 instance, worked on S3, RDS, Auto Scaling, SES, SQS,VPC, to build given architectures.
• Used puppet and Chef automation tools for configuration management.
• Implemented Puppet modules to automate configuration of a broad range of services
• Responsible for supporting and maintainingOpenstackin a production environment.
• Implemented the monitoring tools likeNagios 3.0to monitor services likeCPU, Hard Drive, Memory, Users, http, sshetc.
• Experience Installing and configuring Splunk to gather stats on the servers.
• Documenting all the processes for above, issues caused and its solutions in timely manner.

Confidential - Houston, TX

Sr. Unix/Linux Administrator

Responsibilities:

• Installation ofSolaris 8, 9based servers withJumpstart and redhat Linux EL 4.x based serversusing Kickstart indevelopment, test and production environments.
• 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.
• Responsible for user administration and management usingSUDOandRBAC
• Built new systems for Production and migrated fromSolaris 8 to 9.
• MaintainedVolumesandFile systemsusingVxVM / VxFS for Oracle, DB2, MySQLdatabases.
• Used VxVM toadd disk, create new disk groups/volumes, resize, deport and importdisk groups between servers.
• Experience with runningSQL queries on Oracle and MySQL.
• Upgraded over 35 servers withVERITAS Volume Managerfrom3.x to 4.0.
• UsedVERITAS Cluster Server 4.1to create high available environments forNFS, WebLogic and Sendmail agents.
• Experience with SAN Arrays like create Storage RAID groups and LUN’s and assigning them to the servers.
• Performedsystems monitoring, upgrades,performancetuning and backup and recovery.
• Implementation of naming services like DNS with Bind 8.4.x and NIS.
• Upgraded VMware ESX 3.5 infrastructure to VMware vSphere 4.1 and VMware vCenter 4.1.
• Administered VMware environment, evaluated and implemented new hardware and software
• Took active part in troubleshooting VMwarevCenter and ESXissues and also in system hardware failures.
• Provided24x7on-call /RemoteSupportfor UNIX Production Problems on weekly rotation basis.
• Troubleshooting day-to-day server related issues and problems.

Confidential - Chicago IL

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.
• Creating and Authenticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working withVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• Experience working with SVN and GIT and LDAP.
• 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 with 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 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.

Confidential

Jr. Unix Adminstrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Creating and Authenticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working withVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• Experience working with SVN and GIT and LDAP.
• 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 with 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 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.