SUMMARY

• Around 7+ Years of Experience in UNIX/LINUX Systems, and Network administration for VMware ESX 4.x/5.x, Windows 2008/2012, Sun Solaris 9/10/11, Linux RedHat (RHEL 4, 5, 6), CentOS, SUSE, Debian, AIX 5,6 & HP - UX 10.x, 11.x.
• IT professional possessing both in-depth and hands-on experience; as an Infrastructure Engineer / system Engineer. Performed day-to-day roles and responsibilities of an administrator including systems installation, configuration, maintenance, monitor, backup and system protection; possesses a high-level of integrity, commitment, excellent troubleshooting and analytical skills.
• Installed and Configured Solaris by using Jumpstart and Linux by using Kickstart.
• Experience with patching of Linux and Solaris servers and hardening of servers using native and third party tools.
• Expertise in Amazon Cloud Services and its features (AWS EC2, VPC, EBS, AMI, snapshots, Autoscaling, SES, SQS, SNS, RDS, ELB, EBS, CloudWatch, S3 etc).
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) on Solaris.
• Migrating, Configuring and installing zone and ldom.
• 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 Veritas Volume 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.
• Hands on experience with Amazon Web Services AWS as the primary platform for Cloud AWS including Elastic Load Balancer, EC2, S3, and RDS
• 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.
• Experience working with SVN, Jenkins, GIT and LDAP
• 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

Operating Systems: Linux (Red Hat 3.x,4.x,5.x,6.1),CentOS. Ubuntu 10/11/12/13,14.04 SUSE9,10&11),AIX 5.x, 6.x, Solaris 8/9/10/11, HP - UX 10.x,11.13, Windows 2000/NT4.0, windows 95/98/ME/XP, VMware ESX 3.x,4.x & Solaris 9 &10.

Hardware/Cloud: AWS(EC2,S3,ASG,VPC,Route 53,SES,SQS,SNS,IAM)IBM ESS (Enterprise Storage Server), DS8000, IBM 3494, 3583 Automated Tape Library, Brocade, E450, E250,HP Proliant DL 360, 380, 580, G4,G5 &G6, HP Blade C6000 & C7000,IBM RS/6000, P Series 520, 550, 570, 575, 590, 595, 630, 650, 670, M80, S80, H70 and H80,, EMC Symmetrix, Hitachi arrays, Backup Devices, Ethernet Hubs, Routers, Repeaters, Jukebox, QLogic HBA and EMULEX HBA.

Programming Languages: C, C++, Servlets, Jsp, EJB, VB, JavaScript, HTML, Perl and Confidential programming.

Web/Application Servers: Apache 1.x, 2.2.x, 2.3, Tomcat 6.0.x, 7.0.x, 8.0.x, Netscape/iPlanet Server, MQSeries, WebLogic Server8/9/10/11g, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB.

Applications: Samba, Tivoli (TSM), Nagios, Veritas NetBackup, Veritas Volume Manager, LVM, Splunk, Symantec Netbackup, Puppet & Chef.

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

PROFESSIONAL EXPERIENCE

Confidential, Seattle, WA

Linux/Windows Cloud Engineer

Responsibilities:

• Responsible for building out and improving the reliability and performance of cloud applications and cloud infrastructure deployed on Amazon Web Services.
• Configured iLO ip addresses and InstalledRedhat Linux 6.4, 6.5and Solaris 10 on HP x86 servers (C7000, DL360, DL380’s).
• Create and attach volumes on to EC2 instances
• Used LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Managed devops on a daily basis.
• Performed AWS Cloud administration managing EC2 instances, S3, SES and SNS services.
• Used Puppet mostly and Chef automation tools for configuration management in different systems.
• Written Puppet manifests in Ruby for deploying, configuring and managing collected for metric collection and monitoring.
• Server migration using cloud servers like AWS from physical to cloud environment by using various AWS features like EC2, S3, Autoscaling, RDS, ELB, EBS, IAM, Route 53 for installing, configuring, deploying and troubleshooting on various Amazon images
• Involved in maintaining the user accounts (IAM), rarely used RDS, used SES, SQS and SNS for setting up a SMTP mail server.
• Migrated Business Critical Applications to AWS Cloud before the deadlines.
• Develop, tested, documented, and implemented Security Policies for AWS Cloud.
• Implemented and Enhanced the Existing Scripts which are developed in Confidential, powershell, Ruby and Python.
• Installed and upgraded Veritas Volume Manager 6.0 and used Veritas Cluster Server to create environments for Weblogic, NFS and sendmail agents.
• DevOps, Networks, UNIX/LINUX, Cloud Computing.
• 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 & Tomcat
• Experience with F5 load balancers to load balance and reverse proxy servers.
• 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.
• Experience working with SVN and GIT and LDAP
• Utilize Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.

Confidential, Burbank, CA

Linux / Devops Engineer

Responsibilities:

• Performance Tuning: Ensured that assigned systems were engineered, configured and optimized for maximum functionality and availability. Implemented solutions that reduced single points of failure and improved system uptime to 99.9% availability (up from previous high of 97.5%).
• Security: Strengthened system/network security and business-continuity planning as a member of company’s security incident response team.
• Troubleshooting: Rectified many issues by instituting best practices in system log analysis, backups, network operating center security, user account/permissions management and systems/software auditing.
• Launching and configuring of Amazon EC2(AWS) Cloud Servers using AMI’s (Linux/Ubuntu) and configuring the servers for specified applications.
• Setup up and maintenance of automated environment using basic Chef recipes & cookbooks and mostly on Puppet manifest and modules within AWS environment.
• Worked in a production support team on Redhat 5.x and 6.x, SUSE Linux 10.x, hardware platforms and in VMware vSphere client 5.x virtual environment.
• Installing, configuring and maintaining RHEL 5.x, 6.x physical and virtual server.
• Maintenance of DELL (2650, 2850, 2950, 380 Gen 8) servers and HP Proliant Gen8 servers and software troubleshooting.
• Worked on ILO and IDRAC setup and configuration.
• Worked on Grub, PXE boot, Kick start, Packages, Yum, RPMs, LVM, Boot from SAN, file system configuration.
• Responsible for troubleshooting and maintenance of VERITAS cluster under Solaris 11.
• Installation and configuration of HA environment using Linux cluster and VERITAS Cluster.
• Configuring LVM as extending Logical Volume and Physical Volume Size.
• Building RHEL 5.x, 6.x and SUSE Linux 10 as a 4 node cluster from scratch using HPSA tool.
• Installing CAD cluster Oracle 11g and Web logic applications 11.x, 12.x on RHEL 5.x and 6.x.
• Creating and configuring user accounts and DNS entries.
• Requesting, scanning partitioning and mounting the SAN and NAS storages disks during the server build.
• Configuration and administration of LVM and VERITAS Logical Volume Manager.
• Writing Confidential scripts to accomplish day to day system administration task.
• Troubleshooting Hardware and Operating system related issue.
• Administer and configure various FS like JFS, ext3 and ext4.
• Experience in writing technical documentation for regulatory and compliance procedures, policies and various other activities that involved.
• Knowledge of mounting the file-systems using AutoFS and configuring fstab file.
• Perform physical to virtual (P2V), Virtual to Virtual (V2V) migration of servers to support the Data center migration project.
• Manage VMware Infrastructure/vSphere5 clusters on Production Test/Development environments..
• Involved in configuring network bonding and troubleshooting networking issues.

Confidential, Denver, CO

Linux / UNIX Administrator

Responsibilities:

• Worked on variety of Linux platforms Red Hat Linux 5/6 & Solaris which includes installation, configuring and maintenance of applications on dis environment.
• Experience working with HP HW like C7000 & C6000 and Installed VMWare ESX for Linux and Windows VM’s.
• Managed multipath devices on Linux and Solaris servers using EMC Powerpath and Linux native multipathing.
• Troubleshooting network administration, IIS configuration, DNS setup and modifications, firewall rule sets, local and distributed director, connectivity, and supporting applications.
• Experience in creating instances on AWS cloud environment and involved in creating Virtual Private cloud, Security groups and launching custom Redhat Instances.
• Responsible for independent support of Tier 2 issues: reboots, start/stop services, reset Terminal Service and pc anywhere connections, and administrative server maintenance. Daily follow up with clients to ensure resolution of all issues.
• Provide support to Account Managers, UNIX and Windows technicians, and other departments
• Build servers using Kick Start, Red Hat Satellite Server, and vSphere Client
• Updating patches to keep servers updated against bugs present in the operating system using Red Hat Satellite Server, yum, etc.
• Worked exclusively on VMware virtual environment.
• Experience in using VMware veeam to move VM’s from One Datacenter to another datacenter.
• Installed, configured and provided support for Tivoli Monitoring software across various OS platforms like RHEL and Solaris.
• Installed packages using YUM and Red hat Package Manager ( RPM ) on various servers
• Day to day resolution on Linux based issued though SMS ticketing system in compliance to SLA cycles.
• Automating many day to day tasks through Bash scripting.
• Worked with Red Hat Satellite Server which is used to push changes across various servers simultaneously.
• Performed the daily system administration tasks like managing system resources and end users support operations and security.
• Installation and Administration of Redhat & SUSE Linux on x86 Enterprise Servers for test lab, production and disaster recovery setup.
• Installation, configuration and testing of Double-Take Share for Data Transfer for Solaris Servers.
• Implementation of VMware Infrastructure for Windows, SLES 11 & Linux Red hat 5.0 with VMware ESX 3.5, Virtual Center 2.5 and administered the VMs with VI client.
• Experience in managing HP and IBM Blade centers and deploying VMWare environment. Managed a total of 25 baldes including 10 x C7000 and 15 IBM H series blade centers.
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat and Web Sphere application server and Web sphere IHS including troubleshooting.
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux
• Worked on User administration setup, maintaining account, Monitor system performance.
• Activities includes user administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting and automation using Perl, Confidential scripting (bash, ksh) for Red Hat Linux systems.
• Implemented and administeredVMware ESX 3.5, 4.xfor running the Windows 2003/2008 Servers on development and test servers.
• Install and configure SSH to enable secure access to the servers.

Confidential, Houston, TX

UNIX/ Linux Administrator

Responsibilities:

• Installing and upgradingRedhat4.x, 5.x andSolaris on Sun SPARC, HP DL 380 G4, 5, 6 and 7 & Dell Power Edge servers.
• Creating sparse root and whole root zones andadministeredthe zones for Web, Application and Database servers and worked onSMFon Solaris 10.
• Implemented and administeredVMware ESX 3.5, 4.xfor running the Windows O, Redhat Linux Servers on development and test servers.
• Implemented Jumpstart for SolarisandKickstart for Redhat environments.
• Experience working with Solaris SVM, ZFS and Redhat LVM.
• Experience on Oracle OEL 5.x and 6.x
• RPM Language, RPM JDBC, RPM ODBC
• Experience in NAS environment carrying Netapp filers and EMC Celerras.
• Experience managing SAN disks like EMC Clariions and VMAX using EMC Powerpath and Volume management softwares.
• Implemented HA using VERITASCluster Server 5.0forWebLogicagent.
• Worked on HP Superdome, HP EVA 6000, HP RX servers, HP 9000 Model K 580, HP 0, HP V class, HP9000 servers (RISC and Itanium).HP N class, L class, HP /E35, HP 9000/ 0, HP 9000 workstations.
• Managing DNS, NIS servers and troubleshooting the servers.
• Worked withVERITAS Foundation Suite 5and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• UsedSun Volume Manager for Solaris and LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Knowledge of Authentication Configurations and configuring SUDO access.
• Re-compiling Linuxkernelto remove services and applications that are not required.
• Performed performance analysis using tools likeprstat, mpstat, iostat, sar, vmstat, truss, Dtrace.
• Upgraded Solaris and Redhat servers from RHEL 3.X, 4.X to 5.x and Solaris8,9 to Solaris 10.
• Worked on patch management tools likeYum, Repository and RHEL Satellite server and Sun Update Manager for Solaris servers.
• Implemented the monitoring tools likeNagios 3.0to monitor services likeCPU, Hard Drive, Memory, Users, http, sshetc.
• Worked on day to day administration tasks and resolve tickets usingRemedy.
• 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 theWeb Logic 9, JBoss 4.2.2servers including installation and deployments.
• Confidential scriptingto automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Confidential

Linux/UNIX Administrator Offshore/Onsite

Responsibilities:

• Worked as a System Administrator for UNIX and Linux servers
• Configured Redhat Linux 3.x & Soalris 8,9 for production, staging and test environments
• Install and configure DHCP, web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Solaris and Linux servers
• Created and managed user accounts, security, Access Control Limits (ACL), permissions, disk space and process monitoring inRed hat Linux and Solaris
• Monitored Disk & Memory Utilization on Solaris 9.
• Upgraded Solaris servers to new technology levels configured LVMs using Veritas.
• Experience using LVM creating VGs, LVs, and disk mirroring.
• Installing and setting up Oracle9i and Websphere on Linux for the development team.
• Implemented Virtualization using VMWare in Linux on HP-DL585.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kickstart Installation.
• System performance monitoring and troubleshooting in Solaris Environments 8 & 9.
• Provided logical design and architecture for the enterprise storage network
• Creating users, managing user permission, maintaining User & File system quota in Redhat Linux and Solaris and Linux.
• User management, security planning and implementation, Backup and restore Management.
• Created Micro partitioning of processor by dividing physical processor’s computing power into fractions of a processing unit and share them among multiple logical LPARs
• Installation, Configuration & Upgrade of Solaris operating systems running oracle Database.
• Worked with Database administrators to tune kernel for Oracle installations on Linux.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Configuration and Administration of DNS, NIS, NIS+, NFS, Automount, DHCP, FTP, LDAP, Samba Sendmail, Servers and clients. Security layers like SSL, SSH, HTTPS, SFTP
• Installation and configuration and maintenance of Netscape and Apache web server
• Writing Confidential scripts for automation of job, system monitoring and error reporting
• Configuration of Hardware and Software RAID, disk replacement and File system recovery
• Worked on EMC disk storage to allocate disk space
• Backup maintenance through TSM using Tape libraries, planned and setup Disaster Recovery Servers
• Drafted Confidential scripts for automated installations, to extract logs
• Documented backup policies and procedures for backup routines, schedules and restore policies
• Mentored and trained other individuals on the team