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AIX | Linux & VMware | AWS Administrator with 4.6 years Experience

Summary

                Proven Success in Systems Optimization and Strategic IT Solutions

Multi-certified (IBM AIX 7.1 , AWS Solutions Architect) systems administrator with strong experience managing server infrastructures and data-center operations across AIX, Solaris and Linux platforms. Effectively plan, install, configure and optimize IT infrastructures to achieve high availability and performance both on Traditional and Cloud Infrastructures
Proven ability to create and deliver solutions tied to business growth Organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of  IT environments.

Work experience

Nov 2016Present

Systems Engineer

TATA Consultancy Services

Working in a US financial project as a AWS, AIX and Linux Admin with 370 Aix servers and 3000 Linux Servers

  • AWS Operations includes
    • Performing systems administration functions
    • Maintaining and creating new, as needed, cloud compute instances, storage, and other cloud services required to support Research and Development (R&D) projects
    • Configuring and maintaining data backups on S3 and Glaciers
    • Maintaining OS backups via snapshots and creating instances using them if required
    • Good knowledge on configuring cloud watch metrics 
    • Mounting EFS points on instances
    • Coordinate installation and build of EC2 instances, assist in developing system requirements, as well as developing the backup and recovery solution
    • Good knowledge on Transitions and migration of corporate systems into AWS Cloud
    • Setting up administrator and service accounts using IAM, maintaining system documentation, tuning system performance, troubleshooting, installing system wide software and addressing mass storage space requirements
    • Configuring SNS and SES for instances
    • Make recommendations to integrate new custom and cloud software, coordinates installation and supports operations.
    • Support application customers by installing, maintaining, administering, and managing servers and network systems
    • Assist in developing system requirements, as well as developing backup and recovery solutions
    • Manage services in a production environment to ensure minimum downtime.
  • AIX Operations includes
    • CPU, swap and file system issues.
    • SAN Storage Requests, troubleshooting LUN issues on server
    • Maintaining LVM, File system creation and extensions.
    • User management requests like ID unlock, ID deletion, providing sudo, kerberizing IDs for Hadoop server authentications
    • Server migrations from AIX 6.1 to 7.1
    • Worked on patch administration, server decommissions.
    • VIO server updates, configuring and setting up environment using NPIV and SEA technology
    • DLPAR opertions for memory and CPU upgrades.
    • Hardware replacement calls like, disk replacements, fan replacement.
    • Live partition mobility LPM operations while moving to power 8 hardware
  • Linux operations includes
    • CPU, SWAP and file system alerts
    • LVM management, Kernel parameter changes.
    • Server build management
    • Troubleshooting kernel related issues and server performance issues
    • Kernel patching
    • Adding route entries for server access from different zones
    • NFS Configuration, OS upgradation
    • Package installations using Yum or RPM repository
    • ASM lun assignment, NAS requests
    • User ID cloning, APP and DB Connectivity issues, Sudo activities.
    • Vmware tools upgrade, server decommissioning and server patching.
    • Worked on both physical as well as virtual server patching.
  • VMWare Operations includes
    • Storage VMotion for replicated and Non-replicated data stores
    • Adding affinity rules & Disable ballooning & migration of servers
    • Creating memory resource pools for dedicated servers
    • Creating new data stores from cluster end
    • Adding disks, nicks from VCenter
    • CPU and Memory upgrades
Jun 2013Oct 2016

Analyst

HCL Technologies 
  • Handling both L1 and L2 operations in AIX environment and L1 operations alone in Linux Environment.
  • Linux Operations includes file system size issues, server hung issues, Patching, CPU and file system monitoring.
  • AIX operations includes, Server Building and BOS Installations from NIM
  • Configuration and administration of Logical Volume Manager
  • AIX Patching & package administration
  • Performance Monitoring and tuning
  • Worked on Disk replacement calls,
  • HMC with physical server connection issues, system backup and restore & System dumps,
  • Handling PRM and PMH issues with IBM for RCA’s for Hung issues,
  • Working on User administration tickets, file system issues.
  • Configuring SAN storage and assignment to file system.
  • Server Decommissions.
  • HMC upgrade and its operations.
  • Team Size: 3

Education

Aug 2011Nov 2012

M Sc in Software Engineering

University of Greenwich -- London
  • Specialization in Visual Interactive Processing
  • Software Tools and Techniques
  • Operating Systems and Application Server Security
  • Software Engineering Management
  • Mobile Application Development
  • Business Intelligence
  • Data warehousing,
  • Enterprise Software Engineering Development
Sep 2007May 2011

B Tech in Computer Science & Engineering

JNTU - Kakinada
  • C, C++ and JAVA Programming
  • Database Management Systems
  • Software Testing
  • Web Technologies
  • Information Security
  • Artificial Intelligence
  • Unix & Shell Programming,
  • Computer Graphics
  • Network Programming

Certifications

Nov 2017Nov 2019

AWS Certified Solutions Architect - Associate

Amazon
Oct 2015Present

IBM AIX 7.1 System Administrator

IBM Corporation