Manager Management
Resume:
Sowjanya Devi
******@*************.***
SUMMARY
Around 7 years of IT experience in System Administration under heterogeneous environment of Red hat Linux 5/6/7, SuSE Linux 10/11, Sun Solaris (8/9/10), HP-UX (11.x), and AIX (5.x).
Experience in building Servers using Jumpstart for Solaris and Kick start for Linux.
Extensively worked on administering NIS, NIS+, NFS, DNS, DHCP, Mail Servers.
Experience in creating and managing Logical volume manager (LVM) in Red hat Linux.
Experience in RPM Package Administration for installing, upgrading, and checking dependencies. Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux
Excellent experience in Installation and configuration of different databases on Operating Systems UNIX and AIX platforms.
Expertise in installation, configuration of RAID volume management using Solaris Volume Manager (SVM) and Veritas Volume Manager (VxVM ) along with Veritas File System (VxFS ) for Disk Management,Volume Management & increased disk availability.
Knowledge of Real Application Cluster (RAC).
Experience in installing, configuring and maintaining Application Servers like WebSphere and Web Logic, Web Servers like Apache HTTP and Tomcat on UNIX and Linux.
Experience in installation, configuration and administration of Redhat Cluster Server, Veritas Cluster Server and HP service guard.
Extensively involved configuring & administering SAN Devices & Other Storage solutions like Power Path, Native multi pathing & Veritas DMP.
Extensively worked on Solaris 10 Container technology, responsible for creating, configuring and maintaining ZONES and installing applications on individual zones (global and local zones).
Planning and implementing Disaster recovery sites from the scratch and Involved in disaster recovery testing.
Experience in User & Security administration, multiple backup & recovery technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.
Hands on experience on configuring kernel core files and crash dumps in Solaris and Linux.
Disk and File system management through Logical Volume Manager (LVM) on LINUX and Solaris Volume Manager (SVM) on Solaris.
Involved in Data Center Migration. Migrated Linux and Solaris servers from one datacenter to another with minimal downtime.
Advance level of experience in researching OS Issues, applying Patches and opening the Vendor Tickets.
Experience in using automation tools like Puppet and Chef.
Experience in automation using Shell, Python, Ruby, Perl scripting.
Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
Hands on experience in the installation, configuration, backup/restore using Veritas NetBackup (NBU) and Tivoli Storage Management (TSM).
Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN.
Expertise in configuring IPMP (IP network MultiPathing) in Solaris and Bonding in Linux.
Kernel Tuning in Solaris and Linux Servers.
Experience in writing Korn and Bash Shell scripting including Python, Ruby.
Experience in virtualization technologies such as VMWare, ESX, zVM on Linux and LDOM and containers on Solaris.
Proficiency in VMWare. Installation and monitoring Virtual environments with ESX 4.x servers, ESX 5.x and Virtual Center 4.X and Virtual Appliance 5.X
Documenting technical processes and procedures possess Good Communication Skills and Interpersonal Skills, Self-Motivated, Quick Learner and Supportive Team Player.
Technical skills
Operating System
Solaris 11/10/9/8, HP-UX (11.0, 11.11, 11.23, 11.31), IBM AIX (5.1, 5.3) & Red Hat Linux 3/4/5/6, Ubuntu 6.x/7.x, Windows NT 4.0/2000/2003/XP.
Hardware
Sun SPARC T5-2/M4000/M3000, Sun X3-2L, X4440, X4150, Sun Enterprise E5000/5500/6500, Sun Fire 3800/4800/6800, E10K/15 Series server, TSeries, MSeries Servers, HP-9000, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, IBM e-Server Regatta P690, P570, RS6000, IBM/HP/DELL Blade Servers.
Third Party Tools
Veritas Volume Manager, Logical Volume Manager, RAID, Red hat Cluster, Veritas Cluster, Sun Cluster, HC Service Guard, VMware ESX.
Web Application Server
Apache, WebSphere, WebLogic, JBOSS, Tomcat.
Network/Naming Services
NIS, NFS, AutoFS, DNS, DHCP.
Storage
SAN, NAS, DAS EMC Storage, iscsi, SAS, HP and IBM Storage, HDS.
Languages
Shell Scripting, HTML.
Ever Source Energy, Berlin, CT May 2015- Till date
Linux/Unix Administrator
Worked successfully on san migrations projects migrated more than 300 servers and on two different arrays. Worked successfully on various projects like decommission of the old datacenter and building new datacenter at different location
Responsibilities:
Worked on Solaris 8, 9, 10 Installation/Configuration/Troubleshooting
Design, Architects and implementation of EMC data migration projects.
Working on SVM and VVM for disk related activities includes Disk add and expansions and data migration activities.
Worked on data migration activities such as Rsync utility/Veritas mirroring for tech refresh project of EMC (Clarion/DMX ->VMAX using open replicator hot pull).
Experience in configuring/troubleshooting Veritas Volume Manager, Zones, ZFS, Containers.
Worked on Solaris Migration for Solaris 8
Expert Level Knowledge of VERITAS Foundation suite of products. (VCS, VxFS, VxVM, etc.)
Automate repetitive tasks, deploy critical applications and manage change on several servers using Puppet.
Responsible for large-scale Puppet implementation and maintenance. Puppet manifests creation, testing and implementation.
Responsible for installing, upgrading and configuring the Oracle environment by creating multiple databases, storage structures and objects, database backup and recovery, monitoring and optimizing database performance.
Performed the automation using Chef Configuration management and managing the
Infrastructure environment with Puppet.
Adding/expanding new storage to existing/new systems using LVM, Veritas Volume management RHEL servers.
Responsible for Load and Performance testing of the database servers and application servers.
Worked mainly on Linux servers supporting all the OS administration, application and hardware issues.
Knowledge on Python, PERL and SHELL Scripting.
Provisioning servers for Oracle RAC.
Creating and managing shared disk groups in clustering environment.
Configured Multipath on Linux Servers.
Troubleshooting network, application, and server related issues.
Scheduling of automatic repetitive Jobs with Crontab.
Creating the volumes and creating the file systems.
Understanding on management tools like SALT, NAGIOS, PUPPET.
Creating and Administering Volume Manager Objects.
Installed RHEL 4, 5 on Intel Machines, Configured File Systems and Raw – Devices.
Installed various RPMS on Linux.
Setting up JBoss cluster and configuring apache with JBoss on RetHat Linux. Proxy serving with Apache. Troubleshooting Apache with JBoss and Mod_jk troubleshooting for the clients.
Experience in providing day-to-day user administration like adding/deleting users and managing user’s queries and maintained Server using Cfengine.
ConfiguredRedhat Linux servers for SPLUNK installation and involved in splunk installation and worked on increasing the performance using disk striping and changing some VM parameters
Toubleshooting Sun Solaris and RHEL problems, opening Oracle and Red hat Vendor tickets for Hardware and software supports.
Worked on large Data Center Migration Project. Migrated Linux/Unix Servers from one data center to other data center with minimal downtime. Involved in P2P, P2V, V2V migration. Worked on migrating servers from Legacy Model to Global Build Model.
Environment: RHEL 6.x/5.x, Solaris 8/9/10, CISCO Hardware servers, Sun Fire, IBM blade servers, Apache 1.2/1.3/2.x, Oracle 11g/10g/9i, Logical Volume Manager, Veritas netbackup, SAN Multipathing, VM ESXi
DTE, Detroit, MI June 2014 – April 2015
Linux/Unix Administrator
Responsibilities:
Installation, Configuration & Upgrade of Linux (Redhat, SuSE, CentOS and Fedora) and Solaris (10/9/8).
Apply patches on RHEL/SLES and Solaris systems and install security packages on servers and follow audit and compliance requirement.
Performed automated installations of Operating System using kick start for Linux and Jumpstart for Solaris using Global Build Provisioning Tool.
Installation and configuration of Veritas Volume Manager and Veritas File System. Used VXVM to add disk, create new disk groups/volumes, resize, deport and import disk groups between servers.
Extensively used volume management tool using Veritas Volume Manager(VxVM) to create disk groups, volumes with RAID architecture and layered volumes
Heavily worked on Solaris Volume Manager (SVM) creating meta devices, soft partitions, mirroring the devices and space allocating to meta devices, detaching and clearing the devices if not in use.
Installed, Configured, Maintained and monitored VERITAS Clustered Servers (VCS) for High Availability (HA) Failover and redundancy. Configured new service group and resources for new application/database in Veritas Cluster Servers and involved in Disaster recovery testing.
Administration and maintenance of Virtualization technologies such as VMware and Containers.
Worked on Solaris 10 container technology, created non global and global zones, modified non global zone parameters, created file systems on non global and global zones.
Created zpools and Zettabyte file system (ZFS), set quotas, create snapshots and clones in Solaris 10.
Monitor system performance and resource utilization and provide ongoing trend analysis for forecasting future resource requirements and kernel tuning to enhance the system performance.
Worked on creating and administering raw devices for Sybase and Oracle databases.
Creation and deletion of user accounts using sudo, NSM, GCD/LDAP.
Hands on Experience on Veritas Operations Manager. Register servers to VOM and upgrade VOM version from 2.x to 4.x.
Worked on Solaris 10, Service management on Solaris 10 through SMF (Service Management Facility) svcs, svcadm, svccfg etc.
Administered NFS, Auto mount, DNS, LDAP, Send mail, DHCP, samba in heterogeneous environment.
Implemented Security Hardening per company policy using Solaris 10 features.
Worked with Legato team to maintain backup on the servers through Networker tool and verify successful completion of daily incremental and database backups, following developed procedures.
Worked with Storage Area Network (SAN) team to get LUNS (EMC, Hitachi) and scan them on both RHEL and Solaris servers to create/expand the File system by using VXVM and also worked with Network Attached Storage (NAS) Team to allocate NAS on different servers.
Worked on Service Now and NSAM system for ticketing and tracking asset records.
Proactive maintenance on systems by timely scheduling of at jobs, batch jobs, Crons jobs, Autosys Jobs.
Complete periodic checks of production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
Write Shell scripts for system maintenance and automation of server
Environment: Linux (RHEL 4.x, 5.x & 6.x), SUSE 11/10, Solaris 10/9/8, Oracle RAC 11/10g, VERITAS Cluster Server (VCS), VERITAS Volume Manager (VVM), HP hardware, SUN Servers, SUN Fires, SAP Application, Web logic and Web Sphere Application Server 5.x/6.0/6.1, LDAP, EMC Storage SAN, servers, Oracle.
PNC Bank, Pittsburg, PA August 2013 – June 2014 UNIX System Administrator
Responsibilities:
Installing, Configuring & Upgrading of Linux (RHEL, SUSE, Ubuntu, CentOS) and UNIX (Solaris, HP-UX, AIX) and Windows operating systems.
Configure and troubleshoot the network file systems (NFS), ZFS file systems, zones and configure the network information service (NIS) environment.
Creating local and global zones, modified local zone parameters, creating file systems on local and global zones.
Experience with file/disk encryption technology/products on servers, worked on Data Security tools and File System Encryption.
Installed RPM packages to upgrade Linux packages.
Designed, developed, and support UNIX system images using Solaris jumpstart, HP-UX Ignite, Red hat kick start.
Configured Redhat/SuSE Linux servers with LDAP, DNS and DHCP and connected to Network. Integrated Windows Active Directory with Linux/Unix Servers.
Used puppet for server reporting and OS provisioning.
Experience with the installation, configuration and volume/File system management using Veritas Volume Manager, Logical Volume Manager (LVM) and Solstice Disk Suite (Solaris Volume Manager).
Worked on System Security hardening.
Created virtual disks and assigned CPU threads by using Logical Domains (LDOMs).
Installation, configuration, administration, and maintenance of Veritas NetBackup application.
Installation, configuration and administration of Veritas/Sun/Red hat Cluster Server for high availability and redundancy. Configured resource group/service groups from the scratch and tested for failover.
Configured Global File System (GFS) and SFRAC for oracle RAC cluster configuration.
Configured NIC bonding and IPMP on Linux and Solaris.
Supporting and troubleshooting Linux and UNIX servers’ day to day problems.
Environment: Solaris 10/9,Linux RHEL 5, HP-UX 11/11i,AIX 5.3L, Windows 2000/2003, Sun Fire 6800/E6500 Server, E10K/25K, T2000, Sun Fire X2250, Sun SPARC Enterprise 1000, M4000/5000,HP 9000 K,L,N class server, EMC, IBM RS/6000, IBM Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0.
KPIT Technologies, Pune, India June 2010- July 2013
System engineer
Responsibilities:
Installation, Configuration & Upgrade of Solaris, AIX, HP-UX, Linux (Red hat and SuSE) operating system.
Installation, Configuration & Trouble Shooting of VXVM under sun Solaris 8, HP-UX
Managed HPC cluster, performed hardware, BIOS and application upgrade.
Configured and managed Apache web server and Managed software and hardware RAID systems.
Managed user accounts and authentication process by NIS service.
Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH SSL
Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
Worked on incidents problem and change tickets related to AIX/Unix/Linux server
Managing (adding/removing) disks partitions.
Worked on multiple accounts with Ticket assessment on daily basis.
Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal on AIX, UNIX and Windows.
Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
Department Security Focal (Managing all the security related issues like Apars, Cirats, Health
Worked on security activities(QEV, Health Checks, Priv ID revalidation & PAR) as per ITCS104
Worked on Server commission and Decommission
Monitoring the System Performance and tuning the kernel to enhance system performance.
Worked on Backup issues and resolving as required.
Job Scheduling and Automating process using CRON & AT
Worked on Citrix environment user management.
Administration of Tivoli Storage manager 5.1.4 client.
Performing User ID creation, modification, deletion and maintain server security
Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors.
Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
Configured and administrated LPARs. Installation of patches and other software packages
Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.
Monitoring System performance and do kernel tuning to enhance the system Performance.
Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
ICICI, Bengaluru, India July 2009– May2010
System Administrator
Responsibilities:
Installed, Configured and Upgraded Solaris 10, Red-Hat and Fedora Linux.
Automated Installations on T5220,M5000 series machines using JET Server Custom Jump Start
Extensively worked on configuring Dynamic domains(hardware level Virtualization) on M5000’s
Extensive experience on Virtualizations using LDOMS Manager, Zones.
Extensive experience with working on Solaris Volume Manager (SVM), creating meta devices, soft partitions, mirroring the devices
Root Mirroring using SVM in UFS and Rpool in ZFS for high availability
Configuring Jumpstart Server and setting up for automating installations.
Blade Logic Agent Installation and Job scheduling
Shell Scripting for routine system activities
SAR for system metrics like CPU, IO stats.
Enabling Cron and Jobs using Crontab.
Backups using TSM (Tivoli Storage Manager)
Yum configuration, updates, rpm installs.
Day to day trouble shooting for end users on UNIX, resolving tickets through Remedy.
Performed setting up Configuration Server and Boot Server for Jumpstart process and using tape-Recovery for file system recovery.
SAN/EMC storages with HBA card configuration and different level of RAID configuration
Helped to establish standards, policies and procedures for all aspects of Unix server environment like administration, documentation and configuration
Setting up Oracle Rac environments for installation for Oracle 10g,11.2.1,11.2.2
In depth knowledge on IPMP, Link based, probe based in Solaris and bonding in Linux Environments
Managing file system, met devices, zpools, and mirroring for high availability.
Good knowledge on tuning kernel parameters on Solaris using KDB parameters
Extensive experience on firmware upgrades on X86 and Sparc Architectures in Solaris
Responsible for upgrades to Red Hat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements
RHN licensing
Used RSC, Alom and ILOM for administering the consoles.
Worked on HP Performance Manager to monitor performance and report activities such as performance, memory usage, peak performance.
Trouble shooting Performance issues and network issues
Education:
Bachelor’s Degree in Computer Science from JNTU University Kakinada, India.
Willing to work only on C2C.
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