Summary
Overview
Work History
Education
Skills
Certification
Awards
Selfassessment
Timeline
Generic

Sangameshwar Babu

Bangalore

Summary

Driven by a passion for technology and excellence, I've honed my expertise at companies like Red Hat India Pvt Ltd, mastering Openshift and Python while leveraging exceptional communication skills to lead cross-functional teams towards innovative solutions. My achievements include automating diagnostic processes to enhance efficiency and contributing significantly to knowledge base articles, demonstrating both my technical acumen and collaborative spirit.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Escalation Engineer

Pure Storage Pvt Ltd
Bangalore
01.2024 - Current
  • Provided technical support to customers and internal teams for escalated issues.
  • Collaborated with cross-functional teams such as operations, engineering, and support staffs to resolve critical incidents quickly.

Principal Technical Support Engineer

Red Hat India Pvt Ltd
06.2016 - Current
  • Performance tuning (network bandwidth, latency)
  • Collaborating with the front line engineers wherever required
  • Working on critical escalated issues which requires multi-vendor calls along with customers
  • Contribute on automation which helps proactively diagnose customer issues and provide them suggestions to over come the issue with Insights, develop a repository of known issues for internal use which can be run against customer data (sosreport)
  • This helps reduce overall effort from engineers
  • Contribute to automated response based on the issue description
  • Contribute to knowledge base articles which are first point of troubleshooting for our customers
  • Comunicate with Engineering teams, work on reproducers, discuss with TAM/CSM to understand customers requirement and provide a final configuration recommendation
  • Work on providing RCA for customer issues

Senior System Administrator L3

Oracle India Pvt Ltd
04.2014 - 07.2016
  • Oracle ACS AMR Gateway : Managing Oracle owned servers (gateways) deployed in customer DC monitoring all the alerts from customer systems
  • Oracle ACS AMR Global Unix : Manage alerts which are raised on customer systems (OEL and Solaris)
  • Oracle ACS AMR Backend server : These servers are responsible for receiving alerts and sorting them as per severity and sending them to monitoring tool

Roles and Responsibilities

Accenture Services Pvt Ltd
09.2013 - 03.2014
  • Starwood Hotels : Manage servers end to end for this specific customer including RHEL6 and SoIaris10
  • ANZ : Client of Accenture, mainly perform server hardening by collecting required stats/configuration from server and tune the systems accordingly

Jr. System Administrator

IBM India Pvt Ltd
11.2010 - 02.2012
  • Trained on Solaris 10 Level 2, Tivoli storage manager, Sun Hardware, Shell scripting and deployed to various projects
  • Projects worked within IBM : Amex, Lexicon
  • Job Responsibilities include patching of solaris/Linux systems, work on incidents
  • Performance issues with customer environment, network bandwidth, latency issues on 100gbps networks over bonding (LACP)
  • In depth knowledge on TCP/UDP/SCTP, socket programming using python
  • Packet capture analysis with the help of tshark, wireshark and tcpdump
  • VMcore analysis with the help of Crash/GDB utility
  • Strace analysis to narrow down the systems calls which are taking longer than expected, libraries used in the background etc
  • Perl utility to check what functions are utilizing more CPU time during performance troubleshooting where kernel space is utilizing more CPU
  • Ftrace to check functions which kernel is using while performing specific task
  • Systemtap for specific use cases where none of the above utilities are helpful, example : dropwatch (to check skb free)
  • Reviewing kernel and driver related codes to better understand the issue
  • Reproducing complicated issues and filing BUG with engineering team for fix
  • Configuring HAProxy and keepalived for high availability and load balancing
  • Check for commits between kernels to see if the fix is already present in a later kernel or upstream
  • If the fix is available then providing test kernel to customer on customer's current kernel
  • Providing training to team members and other domain engineers on new networking protocols and technologies
  • Being a KCS coach, help team members with creating knowledge solutions based on customer issues
  • Whenever a new major version of RHEL is released, participate in hackathon testing various customer scenarios and filing BUG wherever necessary including documentation BUG
  • Participate in product improvement where ever there is an opportunity via RFE's (Request for Feature/Future Enhancement)
  • Openshift issues related to networking such as communication between nodes, performance issues compared to node and pods, 100gbps network performance, network policies
  • Worked on issues related to iptables/firewalld/nftables, SR-IOV, SCTP, HAProxy (L7 and L4 Load-Balancing)/Keepalived (DR and NAT and HA)

Education

Bachelor's degree - Electronics and Communication

Dr. Ambedkar Institute of Technology
01.2010

Skills

  • Exceptional communication and interpersonal skills
  • Ability to work independently and as part of a team
  • Detail-oriented
  • Openshift
  • Kubernetes
  • Ingress
  • MetalLB
  • OVNKubernetes
  • OpenshiftSDN
  • Multus
  • SRIOV
  • RHEL 5x/6x/7x/8x/9x
  • Solaris 10x
  • GIT
  • Knowledge of C language
  • Python

Certification

  • RHCSA & RHEL (RHEL7)
  • Oracle certified system administrator U & L2 (Solaris 10)
  • Oracle Certified Solaris Associate (Solaris 10)
  • MCP (Windows 2008)

Awards

  • Red Hat Enterprise Linux Champion Q3 2021
  • Rockstar of the year 2018
  • Rockstar of the quarter Q3 2018
  • Customer champion Q3 2020
  • Quintessential collaboration Q3 2019
  • KCS keystone Q3 2020

Selfassessment

I set high standards for myself and have my own dreams and ambitions. I have a flair for learning new things and persistence in problem solving. I strongly believe that with my skills, analytical and logical ability, commitment and diligent efforts, I can prove to be an asset to any organization.

Timeline

Escalation Engineer

Pure Storage Pvt Ltd
01.2024 - Current

Principal Technical Support Engineer

Red Hat India Pvt Ltd
06.2016 - Current

Senior System Administrator L3

Oracle India Pvt Ltd
04.2014 - 07.2016

Roles and Responsibilities

Accenture Services Pvt Ltd
09.2013 - 03.2014

Jr. System Administrator

IBM India Pvt Ltd
11.2010 - 02.2012

Bachelor's degree - Electronics and Communication

Dr. Ambedkar Institute of Technology

Similar Profiles

CREATE PROFILE
Sangameshwar Babu