SUMMARY

• 12+ years of experience as Linux / UNIX Administrator in an enterprise data centers that consists of Solaris, AIX and Redhat Linux servers also involved with DevOps & Cloud technologies.
• Highly accustomed with Sun enterprise - class, HP Superdome & IBM POWER6/7 series.
• Knowledge of puppet and chef as configuration management tool to automate repetitive tasks, quickly deploy critical applications, and proactively manage change.
• Migrated to RedHat Enterprise Linux from different types of UNIX operating systems.
• Managing OS level virtualization by Solaris Containers including Zones and Resource management.
• Built PowerVM Dual VIO server setup and supporting Logical Partitions (LPAR/DLPAR).
• p2V (Physical-to-virtual) server migrations performed for both Unix and Linux operating systems with VMware converter.
• Worked on Linux based systems administration skills in a Cloud Computing and Virtualized environment for AWS.
• Proficiency in building & troubleshooting of High-availability active-active Veritas cluster.
• Expert in ESXi servers using the VMware Vsphere client and Vcenter for managing the multiple ESXi servers and performed the vmotion.
• Experience in Backup and recovery procedures to provide business continuity.
• Expertise in planning, building, migrating, supporting complex multitier environments.
• Knowledge & miniature experienced on EMC storage provisioning.
• Ability to build deployment, build scripts and automated solutions using Python, Shell.
• Worked on Automation of task using Puppet. Application as wells as any upgrade to the nodes were push through puppet.
• Documented installation procedures, changes required in present environment and provide server remediation to ensure all vulnerabilities have been addressed.

TECHNICAL SKILLS

Operating Systems: Solaris 10/11, IBM AIX 5L/V6/V7, HP-UX 11i v2/v3Red Hat Enterprise Linux 5/6/7.

Backup softwares: Veritas NetBackup, HP Data Protector, IBM TSM.

Volume Manager: VxVM, VxCFS, SVM, ZFS, HP-UX/Linux /AIX - LVM, VMFS.

High-availability: Veritas Cluster Server, Solaris Cluster.

Virtualization: Solaris Containers & LDoms, PowerVM - VIOS, VMware ESXi.

Hardware: ervers Sun Fire, SPARC Enterprise M series, x86 ServersBlade Chassis, CoollThreads,HP Integrity- rx6600, rx7640, rx8640, SD64A; ProLiant servers, IBM Power5/6/7 Systems 750, 770; BladeCenter H / E chassis.

Storage: Sun StorageTek Arrays, Hitachi Data Systems, HP StorageWorksEMC Symmetrix VMAX, CLARiiON CX Series.

PROFESSIONAL EXPERIENCE

Confidential, Charlotte, NC

Systems Engineer

Responsibilities:

• Primarily responsible for SAN & NAS Migration projects.
• SAN Migration project involved migration of Solaris/Redhat/AIX servers from the old storage to the new storage arrays (DMX4, CX4-480 and Hitachi USP-V).
• Main duties included investigating the servers to check what needs to be remediated, upgrading VxVM and multipath softwares i.e PowerPath / HDML up to recommended level.
• Replaced old HBA cards, mirroring disks in old storage to the new storage using VxVM, and removing the mirrors from the old storage in Solaris and Linux servers.
• Coordinated with DBAs and storage teams to determine what kind of migration is best - Host or Array or RAC based with minimal downtime.
• Planned and executed Non-Disrupted-Migration (NDM) host-based migrations without any host reboot or application downtime.
• Support Oracle team to upgrade Oracle apps and databases and ensure availability of the required filesystems and Storage as per their requirement.

Confidential, Charlotte, NC

Linux Engineer

Responsibilities:

• Working with Linux Operations and Remediation teams.
• Administration of RHEL 6, 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Using BladeLogic automation tool patched servers on monthly basis.
• Maintain a Live Like environment to test any production issues on the setup and push it into production.
• Migrated End of Life hardware and operating systems to newer supported platforms.
• Installed, configured and managed Oracle Real Application Cluster (RAC) in Linux and Solaris server.
• Building Redhat 7 on Physical servers and Virtual servers from scratch using Satellite and applying security polices for hardening the server based on the company policies.
• Firmware upgradations NIC/HDD/HBA/ILOM as per vendor’s recommendation.
• Involved in ID swap project (prod <-> contingency) also participated in physical servers move between datacenters.
• Participated in Business Continuity Planning (BCP) test failovers across datacenters.
• Providing scheduled on-call rotation support. Available via pager 24/7 to resolve production problems.
• Keeping track of the performance of the system & preventing it from deteriorating.
• Automatically & manually taking backups / archives, with previously configured policies.
• Server crash analysis in co-ordination with vendor and taking preventive measures.

Confidential, Charlotte, NC

Unix Systems Administrator

Responsibilities:

• Took transition and made standard procedure documents for HCL production support team.
• Troubleshooting on Solaris, Redhat Linux, and AIX machines in response to trouble/problem tickets.
• Performing Post Build activities like Setting up Backup interface/ NIC bonding/ Loading additional Packages/ Joining the server to Active Directory, etc
• Worked with EMC SAN to acquire storage and setting up Veritas/LVM file-systems.
• Monitor resource usage, optimize performance, configure notifications, and generate reports with Redhat Satellite server.
• Worked with Oracle DBA’s for restore of Oracle Instance and Building Oracle RAC Cluster.
• Clustering and Cluster management on the servers using VERITAS Cluster Server.
• Involved in Hitachi to V-Max storage migration project using Veritas volume manager at host side.
• Patched and upgraded servers using Solaris Live upgrade method.

Confidential, Charlotte, NC

Operating Systems Engineer

Responsibilities:

• As a part of GBE projects OSE team member involved in several build and migration projects.
• Planned and successfully executed major hardware/OS upgrades and cross platform migrations with minimum downtime.
• Created VMware Redhat Linux guest operating servers for lowered environments.
• Build, Installation, maintenance and Quarterly Patching upgrades of Linux Servers using network installation - RUG and YUM.
• Configured and managed two to four node active/active CFS cluster with Veritas Storage Foundation.
• Responsibilities included troubleshooting, incident notification and resolution, problem management, post-mortem analysis, and root cause identification.
• Giving after hours support as Primary Sys Admin for 1000+ servers, and participated in scheduled on-call OSE support.

Confidential, Frederick, MD

Sr. UNIX System Administrator

Responsibilities:

• Production and development environments support to more than 1500+ Solaris, Redhat & AIX systems in two datacenters.
• Creating, cloning Linux Virtual Machines, templates using VMware vsphere client and migrating servers between ESXi hosts.
• Configured AIX VIO servers and created Lpars on IBM power 6/7 systems.
• Solaris 8 to 10, AIX 5.3 to 6.1 TL6 SP3 migration.
• Configuring and administering Veritas Storage Foundation Suite includes VxVM, and VxFS.
• Configured multiple VCS cluster nodes as failover / load balancing and also up-graded from VCS 4.x to 5.1 MP3.
• Deployed new AIX 6.1 Power7 server builds for upcoming and existing projects with end users/client requirements.
• Mapping the Virtual scsi drives between VIO server and clients and Creating Shared Ethernet Adapter (SEA) on VIO server for different VLANs.
• Converted Physical hosts into Solaris Zones and AIX Lpars virtual machine.
• Migrated hosts from older power5 machines to New P7 hardware.

Confidential, Champaign IL.

UNIX Systems Admin

Responsibilities:

• Supported UNIX servers includes Sun Solaris, AIX & RHE Linux operating systems, they re running with Sprint & Metro PCS Telecom mission critical applications/DB for production, and testing environment.
• Involved in DR data center migration. Conducted technical review and feasibility study in regards to Servers move.
• Installation, creation and deployment of Solaris zones and LDoms in Sun s CoolThreads Servers.
• Performing weekly Ignite backup on critical customer HP - UX servers and recovered system OS when needed.
• Load balancing and failover I/O multipathing (MPxIO) to provide ability to set up multiple redundant paths for fiber attached SAN.
• Managing highly available application services using VERITAS Cluster Server or HP MC/ Serviceguard.
• Added all production servers to EMC Application Discovery Manager Tool (ADM).

Confidential

Unix Server Support Eng.

Responsibilities:

• Supported GE Servers in Cincinnati & Stamford Data Centers.
• Installation of SUN Solaris, IBM AIX, Linux & HP-UX.
• Wrote scripts using Bourne & Korn Shell.
• Collecting credentials, before taking servers in to our 24/7 SysAdmin support.
• Depends upon requirement, modifying firmware settings prior to booting at OpenBoot PROM level.
• Implementation & Managing of RAID levels like 0, 1 & 5 using VERITAS Volume Manager.
• Creation of raw-volumes for Databases in AIX servers.
• Server consolidation using VMware ESX versions 2.5 and 3.