SUMMARY

• Around 7+ years of IT experience as Linux System Engineer/ Administration working on VMware/Red Hat Linux, Ubuntu, Centos and Windows environments with HP Cloud service automation (CSA)
• Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Linux & Solaris.
• Experience in Installing, upgrading and configuring Red Hat Linux 3.x, 4.x, 5.x, 6.x using Kick start Servers and Interactive Installation.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experience with build using Jumpstart, Flash archive & Kick start Installations.
• Experience in installing, configuring and implementing the RAID technologies using various tools.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Red hat Linux.
• Expertise in package management using Redhat RPM. Used RPM in several Linux distributions such as Redhat Enterprise Linux, SUSE Linux Enterprises and Fedora.
• Experience in configuration of NIS, NIS+, DNS, DHCP, WINS, NFS, LDAP, SAMBA, SQUID, postfix, send mail, FTP, remote access, security management and Security trouble shooting skills.
• Experience in using automation tools like Puppet. Strong knowledge and experienceinLogical Volume Management (LVM), Storage and Disk Management.
• Experience in administering VSphere 4.0, 5.1, 5.5. Experience in Installation of Oracle and MySQL.
• Experience in to automate the administrative tasks and management using cron and at.
• Experience in scripting for automation, and monitoring using Shell, PHP, Python & Perl scripts.
• Performed DevOps for Linux, Mac and Windows platforms.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Creating Linux Virtual Machines using VMware Virtual Center and AIX LPARs on P550 and P570.
• Installation and configuration of Jboss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Implement best practices and maintain Source Code repository infrastructure (Using GIT).
• Experience in LDAP and Puppet.
• Configuring and troubleshooting networking tasks like DNS and TCP/IP. Experts on cloud technologies like AWS.
• Experience in Network Configuration and Troubleshooting using TCP/IP
• Daily tasks including incident management by solving tickets using service now and remedies.
• Worked on AWS to get control of computing devices.
• Experience in creating EC2 instance in the cloud(AWS).
• Exclusive knowledge on shell and pearl scripting. Managing windows servers like patches and upgrades.
• Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring.
• Experience in Veritas functionality such as Digital Monitoring products (DMP).
• Day to day ticket resolving & submit CRQ based on user requirement
• Performing regular day - to-day Systems Administration activities such as User Administrations, Disk Management, Package Install, Patch Management, Storage Management, Performance Monitoring; Log files Monitoring, Jobs Scheduling, NFS administration and Disaster Recovery/fail-over exercises. Proficient in Shell Scripting (Bash), Sed and Awk.
• Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments Worked with systems support team to define, architect and maintain highly available production systems.

TECHNICAL SKILLS

Operating Systems: Linux (RedHat 5/6), Ubuntu, IBM AIX 5.x,6.1,7.1 Windows 2003/2008 Server, VMWARE ESX/ES

Hardware: Dell PowerEdge Series, ATG 10.2, HP DL Series servers, HP Blade, Sun Fire Servers - E25k, E15k, 12k, E280R, E480R, V240,420R, V440, V480, V490, V880,V890 and 4800 Data Centre Servers - E250, E450, E3000 and E3500 Tape Libraries - Sun StorEdge L20/L40/L60, L180 and Storagetek's 9840 A/B/C Fibrechannel Arrays - Sun StorEdge 3130, A1000/D1000, EMC DMX 800 and 1000

Languages: Shell scripting, Python, PERL, C, C++, JEE

Networking: TCP/IP, DNS, NFS, NIS, SSH, DHCP, WINS, Cisco Routers / Switches and LAN

Tools: Sun Cluster 3.2, VERITAS NetBackup 6.0, VERITAS Storage Foundation Suite, Solaris Volume Manager, sendmail

Web Technologies: Apache 2.0, WebLogic 8.1/10, WebSphere, JBoss, IPlanet, IIS, HIS.

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Linux/Unix Administrator

Responsibilities:

• Installed, Configured and Maintained RedHat Linux Red Hat Enterprise Linux 5.x, 6.0& 7.x, Ubuntu and Sun Solaris systems.
• Worked on Virtualizing Red hat servers using vSphere 6.0 and managed ESX servers using vCenter and worked with ESX Cluster and VMotion.
• Perform backups, file replication, and script managements for servers.
• Build and configure more than 2000+ Redhat Linux physical and virtual servers for Confidential disaster recovery site.
• Creating and deploying a VMs in vCenter / Deploying a Bare metal server for databases through Cisco UCS, Building Virtual Machines, Cloning & Migrating and Adding processors, RAM, NIC, disks to the VMs.
• Registered all the servers in Redhat Satellite 6 and performed necessary patches.
• Working on building the Linux RHEL servers and Windows servers using VRA Catalogs & blueprints and VRO for ISO templates.
• Working on monitoring larger scale servers on Vmware-vsphere and installing monitoring agents.
• Working on infoblox for assigning IP addresses and host name registrations for Linux and windows servers.
• Responsible for installation and upgrade of patches and packages on RHEL 5/6/7 using RPM & YUM.
• Hands on experience in creating volumes and managing filesystems using LVM.
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files.
• Monitoring the CPU utilization and disk space and memory in Linux machines.
• Managed Virtual Memory and swap space on RedHat Linux Servers.
• Service NowSME for deployments on Incident, Change, Release, Configuration and Problem Management.
• Installed and Configured RedHat LinuxKickstart and Solaris jumpstart Servers.
• Develop methods to automate routine infrastructure tasks such as deployment and maintenance duties using Ansible.
• Experience in volume and filesystem management using Logical Volume Manager (LVM).
• Experience working with HP and IBM Blade centers to consolidate data centers.
• Excellent understanding of JIRAworkflows, permission schemes, notification schemes, screens schemes, etc.
• Installed and configured various software applications and packages such as Apache, WebLogic, Oracle 11g & 12c.
• Managed user accounts and groups on a large scale in LDAP.
• Troubleshooting and performance tuning of various systems problems such as application, network and hardware related issues.
• Involved with the deployment teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule.

Environment: Redhat EL 5.x, 6.x & 7.x, Redhat Satellite server 6, SuSe 10, IBM x3650, IBM HS22 Blade Center, IBM x232, IBM x236, T2000, T5120, E220, E420, 450, V240, V880/890, E3500, BL460c, Dell M1000e, M600, SF 440, Infra Enterprise, LDAP, EMC Power Path, EMC-Avamar NetBackup, IBM Storage Manager, HP, Oracle (10g/11gR2&12c), Cisco UCSD&UCSM, Korn shell, VMware ESX6.0, VMware vSphere ESX6.x.

Confidential, Atlanta, GA

Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of Red hat Linux, Ubuntu and Sun Solaris systems.
• Monitored and administered Servers for day-to-day problems, patches, user administration, and hardware failure, monitoring log files, backup, software patching, configuration changes and documentation.
• Installed, upgraded and configured Ubuntu 14.04/16.04 and Red hat Enterprise Linux 5/6 using kick start.
• Installed & configured Guest operating system like Red hat 5.x, 6.x and Sun Solaris on VMware ESX 5.x.
• Performed Fine tuning, Kernel debugging, process scheduling, disk and file system I/O, kernel internals, TCP/IP communications.
• Configured the LUNs assigned by the storage administrators, and managed Volumes using Logical Volume Manager (LVM) on Linux.
• Prepared sample code and applications for displaying various outcomes of APIapplications.
• Installed and maintain Puppet-based configuration management system. Designed and deployed the Nagios implementation, Implemented Puppet modules to automate configuration of a broad range of services.
• Managed user accounts and groups on a large scale in LDAP and NIS environments.
• Troubleshooting and analysis of hardware and software failures for various Solaris servers.
• Involved in maintaining the repository in the distributed environment using Git.
• Involved with the deployment teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
• Experience with autosysGUI.
• Modifying Autosysjobs and handling scheduling issues off hours to meet SLA goals
• Post build configurations, checks, updating, security checks, file systems, permissions and packages.
• Working with backup/storage team for backups and storage allocation for applications.
• Monitoring severs and resolving tickets assigned to group, troubleshooting different application related issues/provisions.
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Installed, configured and managed Oracle 10g RAC/ 11g RAC, Standby databases.
• Configuring and Administering Oracle 11g Automatic Storage Management (ASM).
• ASM disk creation, ASM Data groups and ASM File creation.
• Installation of Packages and required Patches to the application.
• Setup, configuring and backup management using VERITAS Net Backup.
• Daily Monitoring of Net Backup activity and reporting to proactively avoid issues.

Environment: Ubuntu 14.04/16.04 , SUN Solaris 8/9/10, RHEL 5.x/6.x, VMware ESX5.x, Apache 2.2.x, SuSE EL 9/10WebLogic 8.x/9.x, Sun Fire T1000, T2000, Sun M9000, M5000, M3000, Sun X3-2, X3-4, HP C Blade System, BL460c, BL420c EMC, VERITAS Storage Foundation 5, VERITAS Cluster Server 5.1, VMware.

Confidential, Portland, OR

Infrastructure Engineer

Responsibilities:

• Installation, Configuration & Upgrade of Red-hat Linux, Ubuntu, HP-UX operating systems.
• Configuring & handling Samba servers on Linux, Managing file system.
• Provided 24x7 on call support.
• Hands on experience in providing day to day support like resolving sever hung up, file system full,troubleshooting critical issues.
• Improve server utilization and sharing I/O resources to reduce total cost of ownership and make better use of IT assets using Power VM (Advanced Power Virtualization).
• Extensive technical knowledge and experience in enterprise virtualization environments including creating and managing Datacenter, Virtual Machines.
• Provide support to Oracle RAC and DB2 database while coordinating with database teams.
• Establish and document procedures to insure data integrity including system fail-over and backup/recovery.
• Experienced in managing LPAR with virtual memory management and memory optimization and using AIX Virtual Memory Manager (VMM).
• Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
• Expertise in Troubleshooting on High Availability Clusters (HACMP).
• Experienced in Installing, Configuring and Upgrading HMCs.
• Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier.
• Performed the daily system administrationtasks like managing System resources, Disk space resources, operations and security.
• Expertise in working with LVM, Disk mirroring, and Disaster Recovery.
• Responsible for Profile backup of Managed Systems and Critical backup of HMC.
• Provide support to Oracle and DB2 database while coordinating with database teams.
• Updated data in inventory management package for Software and Hardware products.
• Capacity Planning, Infrastructure design and ordering systems.
• Worked with DBA on installation of RDBMS database, restoration and log generation.
• Disaster Recovery Support using TSM.
• Used the LVM extensively; Created/Modified/Deleted Volume Groups, Logical Volumes and File systems; Added/Removed physical disks; Mirrored Volume Groups and Logical Volumes.
• Setup Jumpstart server for auto installations of servers.
• Involved in user, package and patch management and administration.

Environment: Ubuntu, IBM-AIX, Solaris, Oracle 11g, DB2, HACMP IBM HTTP Server, Apache Web Server, WebSphere Application Server 4.0 and Unix Shell Scripting.

Confidential, Tampa, FL

Unix/Linux System Administrator

Responsibilities:

• Performed Red Hat Linux Kick start installations on Red hat 4.x/5.x, performed Red Hat Linux Kernel Tuning, memory upgrades.
• Installation & Configuration of software packages in Red hat Linux using both yum and rpm installations.
• Setting up password less login into Linux servers for users using ssh.
• Experienced in troubleshooting critical hardware and software issues and other day-today user trouble tickets.
• Troubleshoot and fix volume group and file system problems.
• Used various networking tools such as SSH, Telnet, rlogin, ftp and ping to troubleshoot daily issues also responsible to design, implement and maintain DNS, NFS and FTP services.
• Creating and Administrating File systems on Red Hat Linux.
• Installation and Configuration of VMWARE ESX servers and Created RHEL Guest VM's for Dev/ Test and production environment.
• Upgraded Servers with VERITAS Volume Manager (VxVM) from 3.x to 4.1.
• VERITAS NetBackup installation & maintenance Backup/restore on ADIC (Intelligent Storage Scalar i2000k Library Management Console) using server WindowsNT/2000& Sun Solaris server & taking backup in DLT tape & checking the job failures.
• Installation and support of various applications like JBoss 4.x, Apache Tomcat6.x, and Oracle 9i, 10g, in RHEL 4.
• Maintained Volumes and File systems for Oracle, MySQL, DB2, Sybase databases.
• Configuring DNS, DHCP, NIS, NFS and other Network Services in IBM Power Series.
• Implementation of VERITAS Cluster Server 4.1 for Oracle 9i Database Environment.
• Worked on Shell scripts and Perl scripts for automation of daily tasks using Cron tab.
• Troubleshooting Unix/Linux network and security related issues.
• Solving various system related issues: such as high load-average, reduction of waiting I/O percentage.

Environment: RHEL 4.x/5.x, Solaris 8/9/10, VERITAS cluster server 5.0, VERITAS foundation suite 5.0, Apache 2.2.x, Oracle 9i,10g, JBoss 4.2, VMware, Sun Fire x4100, x4200, x4250, T2000, T5440, M3000, Dell R805, EMC Symmetric 8830, 8840, DMX -3 NFS, and DNS, EMC, Shell, bash scripting.

Confidential

Linux Engineer

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Linux, HP-UX systems.
• Installing and configuring the DNS, DHCP servers and assigning IP addresses to client hosts.
• Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and AutoFs File systems.
• Implemented Virtualization using VMware. Installed VMware ESX server on Dell Servers and configured Red Hat Linux 5.8 / Windows 2008, XP virtual machines for various applications.
• Configuring the FTP server to maintain the shared folders in organization.
• Worked on Web servers which include Tomcat 5.x/4.x/3.x & Apache Server 2.x/1.x.
• Worked closely with the SAN storage, Network and Security teams.
• Installing and updating patches on the servers using Redhat Satellite servers.
• Performance monitoring with Ksar, iostat, vmstat, mpstat and Other Tools.
• Experience in Network Monitoring Application Software such as Nagios.

Environment: RHEL 4.x, 5.6, 5.8, Windows servers 2000, 2003, 2008, XP, 7, Debian, Nagios, WebLogic, Oracle 9i, 10g, Mail server, Listserv, Veritas volume manager, VMWare ESX 3.5/4.0 & 4.1, HP Blades G5, G6, G7.

Confidential

System Engineer

Responsibilities:

• Responsible for supporting Linux servers for production, development and testing.
• Installing, Configuring and Maintaining the DHCP, DNS, NFS send mail server.
• Performed installation and configuration of LDAP.
• Performed addition of swap space at run time.
• Resolving TCP/IP network access problems for the clients.
• Implementing Remote System Monitoring with Sun Microsystems.
• Performing extensive Logical Volume Management (LVM) tasks.
• Open-source development, including code contributions to Bcfg2, MUNGE, pdsh, SLURM, VMware Ruby.
• Troubleshooting backup and restore problems and performed day-to-day troubleshooting for the end users on Solaris and Linux based servers.
• Configured and maintained NFS servers on Linux.
• Setting up Oracle 8 server in Linux/Unix environment.

Environment: Linux (RedHat Enterprise, CentOS), Centos, Windows 2003, HP, IBM, Solaris, SLURM, Oracle 8, SSH Gate, Cisco routers/switches, Dell 6400, 1250, Sun E450, E250.