NAVIN J.

NAVIN J.

Sr. Linux/Application support Lead

Denver , United States

Experience: 18 Years

NAVIN

Denver , United States

Sr. Linux/Application support Lead

124800 USD / Year

  • Immediate: Available

18 Years

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About Me

18 plus Years of IT Experience and 14 Years of Linux/Unix/Application Production support and Infrastructure Experience Excellent managing skills and experience working with file engineers /vendors across the geographies Working in United states of Am...

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Portfolio Projects

Description

Sr. Linux/Application support Lead

Responsibilities:

  • Providing wallstreet application support on FX project, which is running on the RedHat Linux and troubleshooting the app/os related issues on SAND, DEMO and Data migration environment.
  • Managing/handling/Creating various Tickets through Service now.
  • Enabling DHCP, DNS and allocating subnets through Infoblox
  • Linux OS Installation, Configuration and documentation through RedHatSatellite Server
  • Responsible for patching and upgrading RHEL servers from 5.x to 5.11 and 6.x to 6.5.
  • Co-ordinating with SAN team for allocating new LUNS.
  • Decommission of Old Linux servers
  • Patching the wallstreet application through PRO-IV interface using login_tos.
  • WSS-process management like Recovery, Shutdown, startup and verification process.
  • Co-ordinating with the ION team for Security turnover and patching turnover process.
  • Database updates are done by editing the parameter key GDPPARAMETERS using the database function login_tos.
  • Creating incidents/request tickets using Issue Management System (IIMS) Portal.
  • Co-ordination and escalation with vendor regarding any issues related to WSS app.
  • Ion provides a instruction guide and SQL file that will allow us to purge transactional data from the system. This should only be used on non-production systems. We will need to work with Ion if we need to run against production. Run wss_invclear. sql file/start on linux app server.
  • Technical documentation and Update the process management in the internal bank Wiki.
  • Monitoring and filling the gaps using Splunk.
  • Managing LDAP and Tomcat application server.

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Description

  • Red Hat Linux OS Installation, Configuration and documentation through Red-Hat Satellite server in Virtual VMware Environment and Problem
  • Determination/Troubleshooting/Resolution
  • Creating/closing Incident, Change ticket on CA Ticketing Management
  • Creating EC2 , S3 ,Elastic IP instances on Amazon web service console
  • Proficient in administration of continuous Integration tool using Jenkins to maintain and integrate developer’s codes and configuration files into shared repositories.
  • Handling critical data Batch processing job through automic.
  • Designed and implemented for fully automated server build management, monitoring and deployment by using Puppet.
  • Generating/Renewing new SSL Certificates on Linux/LDAP Boxes
  • Managing Application servers like Apache and Tomcat
  • Installing agents like Splunk Universal forwarder, Rapid 7, crowd strike, Atomic agent on Linux servers
  • Use of networking protocols and performance monitoring using netstat, vmstat, iostat and top
  • Identifying and Filling the Unix/RedHat Linux Monitoring gaps and documenting.
  • Patching Linux boxes on every quarter through Red Hat Satellite server
  • Tasks related to Space Changes, and Port Traffic/Listening
  • Project coordination, planning, forecasting related to his scope of work
  • Deducting new LUN’s on LINUX and creating new Volume group, LVM.
  • Co-coordinating with SAN team for allocating new LUNS
  • Installation of EMC Power Path Configuration and removing dead paths
  • Decommission of Old Linux servers
  • Co-ordination/Engaging in Business Unit projects for elicit requirements, specifications and project scope
  • Creating and Installing Red Hat Linux in VMware VSphere Client
  • NFS Sharing and mounting file system in Linux and AIX.
  • Creating a file system and adding Memory and YUM Updates on a RHEL vm
  • IRS Auditing and findings

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Description

  • Managing and leading a team of twenty and handling various Tickets through Service now
  • Enabling DHCP, DNS and allocating subnets through Infoblox
  • Managing and Removing .cfg file from nagios monitoring
  • DHCP IP Pool range allocation
  • Experience in installing RedHat– 5/6/7.
  • Strong shell scripting exp in (sh,ksh,csh,perl.)
  • Allocating Forward and Reverse DNS entry
  • Named ACLand IP provisions for DDNS update for AD domain controllers
  • Responsible for patching and upgrading RHEL servers from 5.x to 5.11 and 6.x to 6.5.
  • Adding new ZONE through masteradd and in ULTRADNS
  • Linux OS Installation, Configuration and documentation through RedHatSatellite Server
  • Providing access read/write to subnet in the INFOBLOX for the particular group/user.
  • Patching on SOX servers and DEV
  • Shell Scripting to check the health status for particular Solaris server that will throw a status report
  • Working on MsSql for extracting and sorting new data objects
  • Adding, Modifying, removing and Pointing DNS records like Host, CNAME, NS, A, NS, PTRboth
  • externally and Internal in INFOBLOX
  • Co-ordinating with SAN team for allocating new LUNS.
  • Decommission of Old Linux servers
  • Supported Oracle database in cluster environment to resolve the production issues
  • Worked with Puppet Enterprise tool for patch updates and stopping and starting various services
  • and daemons.
  • Responsible Problem Determination/Troubleshooting/Resolution of Red Hat Linux server in both physical and virtual environment.

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Description

  • Responsible for Production/Application support like Red Hat Linux OS Installation, Configuration and documentation through RedHat Satellite server in Virtual VMware Environment and Problem Determination/Troubleshooting/Resolution.
  • Responsible Creating LPAR Increasing Memory, CPU and filesystem in AIX through HMC console and detecting and setting attributes to the new provisioned LUNs.
  • Responsible for Deployment, Maintenance, Patching Live Linux Servers, and AIX servers through BMC BladeLogic
  • Responsible Installing agents like Autosys, ESM, SSM, Guardian, Oracle client on Linux and Aix servers.
  • Responsible for Installation of EMC Power Path Configuration and removing dead paths
  • Use of networking protocols and performance monitoring using netstat, vmstat,iostat,topetc
  • Responsible Project coordination, resource allocation, planning, forecasting.
  • Responsible for deducting new LUN’s on LINUX and AIX server and creating new Volume group, LVM and mount it.
  • Experience and knowledge with Citrix NetScaler Load balancer
  • Co-ordinating, Maintaining and responsible for installing components like Java (JDK 1.7 & 1.8), Autosys agent, FS, NFS for Calypso Application Configuration.
  • Involved in Developing andimplementing strategy and execution plan for server consolidation and virtualization
  • Working on LDAP servers for providing access to Ldap database for certain users.
  • Co-ordination with vendors/ Engaging in Business Unit projects for elicit requirements, specifications and project scope
  • Responsible Creating and Installing RED hat Linux/Solaris O/s in VMware VSphere Client.
  • VendorCo-ordination. Provide assistance in replacements and upgrade including motherboard, memory, CPU, disk etc.
  • Responsible Documentation and Architecture of all Key process using Microsoft Visio.
  • Responsible Working on Change, problem and Incident Management Using BMC Remedy 7 and 6.
  • Co-coordinating and Reporting to Top Management on several Critical Issues.
  • Performed Audit/Compliance to install and maintain security updates and patches through BladeLogic
  • NFS Sharing and mounting file system in Linux and AIX.
  • Creating a file system and adding Memory and YUM Updates on a RHELvm.
  • Creating Linux RPM package script then uploading and executing the package through BladeLogic (ver8) on TEST, UAT and PROD environment.
  • Identifying and Filling the Unix/RedHat Linux Monitoring gaps and documenting.
  • Migrating ESXis 4.x vm's across Datacenters.

SAN

  • Adding luns to the clone and sancopy process.
  • Adding new EMC disk on OEL RAC clusters.
  • Removing power path dead paths.

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