Engineer Data

Surya Rangavajhala

** **** *****, ******

NJ ****0.

Phone: 732-***-****

Summary

Twenty years of experience in system administration in UNIX, particularly in Redhat Linux, VMware ESX, IBM AIX. Worked on a large range of UNIX based Intel servers, IBM Power systems, and Hypervisors.

Contact Information Cell: - 732-***-****

*****************@*****.***

Hardware: HP, CISCO, IBM and Dell Hardware.

Operating System: Redhat Linux, AIX, and other Unix flavors and Distributions.

Network Services: NFS, Secure file transfer, IBM GPFS, Gluster FS. ESS Storage, ScaleIo

Languages: Shell Scripting in Korn and Bash, Perl Programming, SQL., Python

Visa Status US citizen

Training Attended:

Redhat RHCSA Certified on Red Hat version 7

IBM AIX certified in AIX 7.1

VMWARE Install, Deploy and manage From VMware

Redhat RHCE & RedHat troubleshooting course

Completed GPFS training from IBM and implemented IBM ESS

Completed CACHE systems Management from Inter systems for CACHE DB administration

Completed CISSP and Ethical hacking course from SANS.

Completed Identity Management from Centrify Corp for administering users connecting to AD.

Completed AWS solutions architect course from Linux academy from Udemy and Linux academy.

Attended number of IBM conferences and training on power7/8/9, VIO and advanced POWERVM configurations.

SP administration by IBM

AIX training and Certification from IBM

HACMP administration from IBM

SQL and Oracle 10G Admin from NYU.

Completed Python programming from Global Knowledge

Completed BladeLogic training from BMC

Red hat OpenShift from REDHAT

IBM ESS from IBM

Professional Experience

Company Memorial Sloan Kettering Cancer center

Role Senior UNIX Engineer

Duration May-2010 to Current.

Architected and implemented several solutions for multiple applications on Redhat 7, VMWARE ESXI environments which are 24/7 that run critical hospital applications involving oracle, Cache, EPIC etc. with EMC san attached Storage with multipathing.

Primary Point of Contact for many Tier1 classified applications

Have Deployed and tested Red hat OpenShift in a Production environment. The role includes administration and supporting development activities on OpenShift.

Have implemented HPC projects and has technical Abilities support a Big HPC infrastructure with LSF, OpenShift, Spectrum scale ESS and hundreds of nodes in a production environment.

Have architected and implemented GPFS parallel filesystem implementation from scratch in production environments for file sharing and file encryption.

Architected several applications which failover between data centers for active/active availability of data can using stretched clusters and data replication tools.

Architected and implemented several solutions for multiple applications on Power8 and Power7 class server with AIX 7.2, HACMP in a virtualized environment.

Member of the team that implemented CISCO UCS environment with VMWARE.

Implemented Travis in MSK for Continues integration and continuous deployments

Knowledge of GitHub and GitHub enterprise administration and configuration of CI/CD pipelines.

Created a Gold AIX image for the MSKCC enterprise and set standards for enterprise build to implement Infrastructure as a service (IAAS) in MSKCC using advanced power VM stack.

Created project plans and was a project manager for migrating several MSKCC AIX lpars from current AIX 6.1/AIX 7.1 to AIX 7.2.

Have Used Centrify to authenticate users to AD and manage users on Centrify.

Implemented GPFS protocol nodes and shared filesystems from scratch and provisioned tera byte scale shared filesystems for use in HPC environment.

Monitor system and application performance to detect errors; apply testing procedures/methodologies and provide interpretation of data.

Expertise in functions of DUAL HMC installation and configuration.

Knowledge of SAN which includes EMC VPLEX, ScaleIO VMAX, DMX, Clarion, DMX, XIV IBM DS8000. I have benchmarked different filesystems for performance testing.

Have Implemented Spectrum LSF and Slurm schedulers for HPC environment and currently support MSK HPC environment

Have bench marked and evaluated several system configurations for HPC, clinical and Hospital administration for 24/7 operation, redundancy and scalability.

Provide on call support to MSKCC products, respond to system alerts and follow change management procedures/escalation procedures and keep customers informed of the actions taken. The tools used were BMC Remedy, Blade logic and Control M from BMC.

Used ITIL processes and implemented compliance management, device management and asset management using Blade logic.

Participate in Disaster Recovery exercises and document procedures for disaster recovery

Provide System Administration support to development teams and participate in Proof of concept exercises

Provide inputs and participate in SOX & Security Audits from E&Y and KPMG. Key member of security team to review NIST Alerts and implement recommendations based on severity.

Troubleshooting and vendor escalation for all Red hat, IBM AIX for many Tier1 classified applications

Company PNC Bank, Maryland, USA

Role Senior Systems engineer

Duration July 2009 to May-2010

Install operating system and create installation/operational documents for multiple PNC products. The operating systems include AIX 5.3/ 6.1. The hardware includes all IBM p series offerings including p520/P550/p570/ P590/P595.

Point of contact for Supporting PNC applications which include builds and application support and architecting new configurations for boarding new PNC applications.

Monitor system and application performance to detect errors; apply testing procedures/methodologies and provide interpretation of data.

Expertise in functions of DUAL HMC installation and configuration.

Knowledge of SAN which includes EMC Clarion, DMX and IBM DS8000. Architected backup solution for the oracle database in a BCV class environment.

Key member of a project team which involved re-architecting the apps running as power4 based dedicated partitions to a VIO based solution on P595.

Provide on call support to PNC products, respond to system alerts and follow change management procedures/escalation procedures and keep customers informed of the actions taken

Participate in Disaster Recovery exercises and document procedures for disaster recovery

Provide System Administration support to development teams and participate in Proof of concept exercises

Created multiple scripts to automate database backup which includes putting the database in hot backup mode, restart applications after the backup is done, server monitoring, automated scripts which run when Tivoli alerts are generated and application server start/stop scripts on node failover.

Provide inputs and participate in SOX & Security Audits

Troubleshooting of Application availability on Redhat/AIX and provide 24/7 On call Support with a Cell Phone.

Worked on an environment that used Connect Direct application for data movement between trading partners

Extensively used CA service Desk application for incident management, asset management, change management and configuration management. As the bank follows ITIL procedures attending the configuration management / change management meetings every week is part of this role.

Extensively utilized Rational clear case application tool for source code management and version control.

Company ADP INC, New Jersey, USA

Role Lead System software engineer

Duration May 2005 to May 2009

Install operating system and create installation/operational documents for multiple ADP payroll products. The operating systems include AIX 5.2/ 5.3. The hardware includes all IBM p series offerings including p670/690/p520/p570/ P590/P595.

Point of contact for ADP oracle financials infrastructure built on P590

Certifications Series Hardware. The responsibilities include hardware/AIX upgrade, HACMP configuration, change control, Systems engineering, EMC backend storage, BCV /Backup configuration and supporting oracle 11i application suite. The support also includes installing oracle10G database and write SQL statements to support/trouble shoot database problems.

Install operating system and supported applications installed on T2000 sun hardware. Migrated applications from sun V880/V440 to a T2000/M4000 hardware platform utilizing Solaris ver. 10 Utilized WAN boot for jump start infrastructure.

Installed and supported veritas file system (VXVM/VXFS) and veritas cluster server (VCS) on aix/sun platforms.

Expertise in functions of DUAL HMC installation and configuration.

Knowledge of SAN which includes EMC Clarion, DMX and IBM DS8000. Architected backup solution for the oracle database in a BCV class environment.

Monitor system and application performance to detect errors; apply testing procedures/methodologies and provide interpretation of data

Key member of a project team which involved data center consolidation of 23 ADP regional data centers into two large data centers. The responsibilities included Aix systems engineering, create test plans, participated in user simulation tests and final cutovers. The project also includes data migration from EMC Symentrix backend storage to EMC clariion storage.

Provide on call support to ADP products, respond to system alerts and follow change management procedures/escalation procedures and keep customers informed of the actions taken

Participate in Disaster Recovery exercises and document procedures for disaster recovery

Provide System Administration support to development teams and participate in Proof of concept exercises

Created multiple scripts to automate database backup which includes putting the database in hot backup mode, restart applications after the backup is done, server monitoring, automated scripts which run when Tivoli alerts are generated and application server start/stop scripts on node failover.

Provide inputs and participate in SOX & Security Audits

Troubleshooting of HMC/HACMP/LPARs/VIO/AIX also providing on-call support

Extensively used Ca service Desk application for incident management, change management and configuration management. As the bank follows ITIL procedures attending the configuration management / change management meetings every week is part of this role.

Utilized CA service desk for maintaining CMDB asset management.

Company DCM Data Systems USA

Client Bayer Corporate Business Services, CT, USA

Role System Administrator

Duration Oct-2003 to May-2005

Provide system administration to several aix/sun/hp servers located in various sub-groups of Bayer Corporate Business environment. The environments include SAP/Oracle and scientific applications

Engineer Environments and create documents for installation/operational qualification for different Business units of Bayer

Participate in validation process and adhere to a strict change management process often audited by FDA to confirm process engineering.

Maintain sun workstations which are connected as front ends to scientific instruments and collect scientific data

Provide 24/7 on call remote level 2 support and interact with vendors to resolve operating systems problems to end user satisfaction

Participated in migrating 30 TB data from EMC clariion storage to a Symentrix storage

Participated in a group effort to provide enterprise wide monitoring effort using Tivoli products.

Company DCM Data Systems USA

Project Installation and Administration of RS 6000 severs

Client ADP Investor Communication Services, New York, USA

Role AIX/ Administrator

Duration Oct 2000 to Oct-2003

System administrator for ADPICS internet development group which is responsible for proxyvote.com, pelite.com, investordelivery.com, reorgaction.com internet products.

Installation & Configuration of RS 6000 P series servers, Sun Solaris systems

Installation and configuration of Netscape Enterprise server, Web sphere 4.0.1 Fixpack5, cics transaction gateway’s, local director css, ssl certificates and secure sites

Writing shell scripts to automate batch processes, database upload processes, server backup and collect server stats.

Applying aix maintenance level packs, Application server fix packs

Stress Testing of websites using Radview software, Performix tools

Configure introscope4.0 and work with developers for java code profiling

Create multiple tcl scripts for code deployment, creating data sources and manage EnterpriseApp’s in production and test functionality after deployment.

Production support for ADP websites proxyvote.com, pelite.com, reorgaction.com, investordelivery.com.

Configuration of Cisco local director

Work closely with java developers for code development, code testing and stress testing of developed products and assist in problem solving.

Aix and sun Solaris Administration

Oracle database administration.

Company DCM Data Systems USA

Project Installation and Administration of RS 6000 severs

Client Brookes Brothers Inc, New York, USA

Role AIX/ Administrator

Duration Feb ’2000 to Oct 2000

Brookes Brothers have 140 stores all over US, use retek application software which runs on AIX 4.3.3. This software is run on AIX S7A servers.

Installation & Configuration of RS 6000 H50 servers,s7A servers

Migrating systems from G30 to RS 6000 H 50

Writing of back up scripts, automate batch jobs, and collect server stats

24/7 Production support for all brooks brothers retek applications

Vista reporting tool installation/configuration and support.

Creating users

Monitoring disk space

Adding hard disk drives

Connectivity to the network of 300 business users

Oracle database administration

Company: DCM Data Systems India

Role Project Leader/AIX Administrator

Duration July’90 to Jan-2000

Installation & administration of a campus wide network comprising of RS 6000 F50 servers & Windows NT client/ workstation. The network comprised of 100 nodes.

Planning & configuring the systems.

Installation & configuring of AIX on RS 6000

Installation & configuring of Oracle 7.1.3

Configuring disk layouts & creating partitions

Configuring & setting up the systems

Building, tuning & debugging of UNIX kernel

Reconfiguring the kernel as per the work load

User administration & support

System performance & tuning

Install and configure HACMP ver 4.1.1

Installation of HACMP code.

Setup shared disk

Configure an IP address takeover

Configure non IP heartbeat paths.

Setup event notification and error notification

Design a suitable ADSM backup/ archive policy based on the customer requirements and out-line the implementation methodology

Install IBM ADSM server on RS/6000

Installation of client codes on windows/95 and windows/NT workstations

Configure Disk pool & Tape pool using 8 GB DAT drive

Configuring the clients for polled / prompt mode operation & running the ADSM client code in the background

Configure full & incremental database backup

Creating users for ADSM access and ADSM administration

Binding the clients with the standard Archive policy given

Configuring Disk pool and tape pool using 2/4 GB DAT Drive

Setting up the backups & automatic data transfer from disk pool to tape pool

Training on data restoration from ADSM Server to the Client

Configuring of disks, disk type and size and partitions

Creation of File Systems and logical volumes

Loading of System Software Subsets

Applying relevant PTFs

Building, Debugging and Tuning of UNIX Kernel

Identifying the application workload

User Administration and Support

Disk space usage restrictions through File System Quotas

System Performance Monitoring & Tuning

Identifying the bottlenecks viz. CPU, Memory, I/O Subsystems

Balancing the system load through scheduling of CPU intensive jobs

Backup/Restore Strategy Planning and Implementation

Developing UNIX scripts and scheduling CRON jobs

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