Summary
Overview
Work History
Education
Skills
Devops Tools
Certification
Cloud Computing
Backup Tools
Monitoring Tools
Operating Systems
Skillset Summary
Affirmation
Timeline
Generic
Sreehari CK

Sreehari CK

Bengaluru

Summary

As a seasoned Core Technical Specialist, I offer over 14 years of expertise in deploying, configuring, and maintaining Linux-based environments. My proficiency extends to implementing DevOps practices, enhancing development pipelines for efficiency. With strong skills in VMware virtualization technologies, I ensure robust infrastructure and seamless resource management. I excel in troubleshooting complex issues and devising innovative solutions to propel organizational success.

Overview

1
1
Certification

Work History

Principal Engineer Service Delivery

DellEMC Corportion
- Current
  • Managed and maintained RHEL (Red Hat Enterprise Linux) servers, ensuring they were kept up-to-date with the latest security patches
  • Implemented automated patch management using Ansible, streamlining the process and enhancing efficiency
  • Monitored server health and performance, proactively addressing any issues to ensure optimal functionality
  • Conducted regular system audits to identify vulnerabilities and ensure compliance with security standards
  • Collaborated with cross-functional teams to implement best practices and optimize server configurations
  • Provided technical support and troubleshooting for RHEL servers, resolving issues promptly to minimize downtime
  • Documented configurations, procedures, and troubleshooting guidelines to facilitate knowledge sharing and maintain system integrity
  • Managed and maintained virtualization platforms, including VMware vSphere, ESXi hosts, and vCenter Server, alongside UCS and VxRail systems, ensuring seamless operations and efficient resource allocation
  • Proactively monitored and optimized VM performance within VMware, UCS, and VxRail environments, identifying and resolving bottlenecks to enhance system efficiency
  • Provided expert troubleshooting and technical support for virtualization-related issues across VMware, UCS, and VxRail, ensuring uninterrupted functioning of virtual environments
  • Successfully executed UCS and VMware software upgrades, as well as datacenter migrations for UCS and VxRail systems, ensuring smooth transitions and enhanced functionalities
  • Maintained comprehensive documentation of VMware, UCS, and VxRail configurations, procedures, and troubleshooting guidelines to facilitate knowledge sharing and operational efficiency
  • Managed change management calls, ensuring compliance with organizational policies and procedures, and facilitating successful approval through the Change Advisory Board (CAB)
  • Implemented ITIL best practices to streamline processes, improve service delivery, and enhance overall IT operational efficiency.

IT Analyst

Tata Consultancy services
  • Lead data center construction and oversee server migrations, ensuring seamless transitions and minimal downtime
  • Migrated 400+ Linux Servers from other incumbent to TCS Greenfield Data center
  • Have 7 months onsite experience in Finland for the Bi data center build and server migration
  • Collaborate closely with application teams to facilitate app discovery and create move groups for efficient server migration
  • Engage in end-to-end involvement in the incident, change, and problem management life cycles to address issues promptly and implement necessary improvements
  • Administer high-performance computing (HPC) servers to maintain optimal functionality and performance
  • Collaborate with cloud architects to design server builds and deploy services, ensuring alignment with organizational goals and requirements
  • Conduct root cause analysis (RCA) for any failures or problems encountered, implementing corrective actions to prevent recurrence and enhance system reliability.

Project Engineer

Wipro Technologies
  • Collaborated with project teams to conduct capacity planning and performance evaluations for production and staging environments, ensuring scalability to meet evolving system load demands
  • Diligently maintained Linux and Solaris Servers at the latest patch levels, implementing stringent security measures to safeguard against vulnerabilities
  • Spearheaded the implementation of Information Security Management System (ISMS) processes for all Linux servers, ensuring compliance with industry standards and regulations
  • Achieved and maintained a 99% uptime for all servers by implementing robust monitoring systems and promptly addressing any issues to minimize downtime and optimize performance.

Associate Customer Engineer

HCL Infosystem
  • Travel to client locations to install and deploy compute hardware systems, including servers, storage arrays, and networking equipment
  • Ensure proper setup, configuration, and connectivity of hardware components according to client requirements and specifications
  • Provide ongoing maintenance and support services for compute hardware systems, including troubleshooting hardware issues, performing repairs, and replacing faulty components.

Education

Skills

  • OS Skills - RHEL, SuSE ESXi , Solaris
  • VIrtualization - VMware
  • Converged/Hyper-Converged: UCS, VBlock, VxRail , Dell MX
  • Cloud: Amazon Web Services (AWS)
  • DevOps Tools : Ansible, Docker , Kubernetes

Devops Tools

  • GitHub - Used as repository tool with branching and Tag options.
  • Ansible - Used to build, configure and deploy the configurations on servers.
  • Docker/Kubernetes - Hosted and delivered the container services to the Application team who required it. Also hosted and managed Environments for internal applications

Certification

  • Redhat Certified Engineer 7 (Certificate no: 150-083-848)
  • VMware VCP 7 Certified
  • Splunk Certified User

Cloud Computing

Amazon Web Service (AWS)

Backup Tools

  • Avamar
  • Networker

Monitoring Tools

  • SMARTS
  • Nagios
  • Solarwinds

Operating Systems

  • RHEL
  • SuSE
  • ESXi
  • Solaris 10

Skillset Summary

  • Proficient in VMware technologies for enterprise environments, including: vCenter Server, ESXi, Distributed Resource Scheduler (DRS), High Availability (HA), Fault Tolerance (FT), PowerCLI, Virtual networking, VMware Update Manager (VUM), Site Recovery Manager (SRM), P2V and V2V migrations, Storage DRS
  • Skilled in automating tasks using Ansible playbooks.
  • Experience in BASH scripting and creating various health check reports.
  • Expertise in server migration from data center to data center (P2P, P2V, V2V).
  • Proficient in supporting Disaster Recovery (DR) activities and drills.
  • Configuration of internet services such as NFS, FTP, NTP, SSH, etc.
  • Strong understanding of Linux internals and OS components.
  • Efficient in streamlining processes to increase uptime and reliability.
  • Skilled in system failure analysis and recovery.
  • Experience in applying audit policies, security patch updates, performance tuning, file system management, and user management.
  • Familiarity with access control tools like TCP Wrappers and IPTABLES.
  • Experience in installation and configuration of Red Hat Satellite.
  • Knowledgeable in Red Hat Cluster Suite installation, configuration, and troubleshooting.
  • Proficient in VMware technologies like vSphere, vROPS, and Log Insight.
  • Actively involved in configuration, maintenance, and troubleshooting of VM/ESX/Infrastructure.
  • Experience in Solaris 10 OS administration, including zones and LDOMs.
  • Proficient in Veritas Volume Manager administration.

Affirmation

I affirm that the significance of my information, given above is factual up to my consciousness

Timeline

Principal Engineer Service Delivery

DellEMC Corportion
- Current

IT Analyst

Tata Consultancy services

Project Engineer

Wipro Technologies

Associate Customer Engineer

HCL Infosystem

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