Niranjan Singh

Experience

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  Alcatel-Lucent Enterprise

  Dec 2006 - Jun 2007

  Remote Support Engineer

  • Supported clients with network, database, application and client – server related issues.

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  TELiBrahma Technologies

  Jun 2007 - Aug 2008

  System Engineer

  Represented the UNIX team in assessing the feasibilities of upcoming platform enhancement proposals and providing operational analysis prior to internal sign-off.Lead the team in upgrades and patch installations of OS, Cluster, and Storage.Lead the team to establish performance/capacity monitoring process and benchmark statistics to identify potential issues and to address them proactively.Lead troubleshooting efforts; maintain statistics and knowledge base to avoid repetitive issuesParticipate in architecture design and planning activities; develop measurements to meet the goals for maximum uptime, ease of scalability, and application/database efficiency. Show less

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  HP

  Mar 2009 - Aug 2012

  Technical Solution Specialist

  • Created EBS volumes for storing application files for use with EC2 instances whenever they are mounted to them. • Used IAM for creating roles, users, groups and also implemented MFA to provide additional security to AWS account and its resources. • Tomcat Apache and JBOSS Administration with expertise in Installation, Configuration, Trouble shooting, Performance Tuning, and deploying applications In Production Environment. • Used Bash Scripts to boot strap EC2 instance, application start up scripts and other automation related activities.Virtualization and Provisioning Services:• Deployment and Build of new ESXi servers, performance monitoring, P2V Migrations, Clones, Template management, upgrade, patching, snapshot scheduling, configuration of distributed switches, RDM, HA configuration, DRS rules and resource pools.• Configuration of HA admission control on various clusters and creation of resource pools.• Planning upgradation of virtual centres and ESXi servers under ITIL framework.• Configured Fault Tolerance on various production VMs and nested ESXi hosts.• Configuration and setting up of VSA (Virtual Storage Appliance) with implementation of various RAID levels.• Configuration, Upgradation and Maintenance of HP Blade Servers and Virtual Connect Devices.• Configured & used VROPs for capacity planning and performance monitoring.• Have Worked on the project plans and associated documentation based on agreed baselines including streamlining of decommission process. Show less

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  HPE Security - Data Security

  Sept 2012 - Mar 2017

  Technical Specialist - Virtualization and Cloud

  • Implemented and maintained services running on Linux and server platforms deployed in AWS EC2 and Open Stack based private cloud.• Significant knowledge of Amazon EC2, S3, Simple DB, RDS, Elastic Load Balancing, SWS and other services in the AWS cloud infrastructure such as IAAS, PAAS and SAAS.• Hands on experience with AWS components such as S3, Elastic IPs, Security Groups, Route 53, VPC, ElastiCache, Elastic Beanstalk, RDS, Dynamo DB, Redshift and cloud Formation.• Deployment and Build of new ESXi servers, performance monitoring, P2V Migrations, Clones, Template management, upgrade, patching, snapshot scheduling, configuration of distributed switches, RDM, HA configuration, DRS rules and resource pools.• Performed hardware and software installations, upgrades and maintenance, patch administration, kernel upgrades, file system management, performance and security analysis and network configuration/tuning.• Responsible for maintaining security on all UNIX system for regulatory compliance.• Implementation and troubleshooting of network services like NFS, FTP, NTP, Telnet, DHCP, DNS and SSH.• Backend Solution, monitoring, file system management and disk management, use of scripts for automated installations to extract logs using PowerCLI.• Expertise in creating Citrix Streaming Profiles and Publishing Applications to users in Citrix Xendesktop 7 and 7.5. Deployment of VDI infrastructure using Citrix Xendesktop services.• Experience with Citrix Storefront, CitrixStudio, DeliveryController and Provisioning Services. Show less

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  DXC Technology

  Mar 2017 - May 2018

  Virtualization and Cloud Services Lead

  DevOps:• Responsible for co-ordinating and implementing DevOps processes including configuration and owning the DevOps activities involving automated code build and deployments.• Responsible for Code Repo Management, Repo Administration, Branching/Merging activities. • Responsible for coordinating the transition from different phases of the release, ensuring the environment readiness, right code is being built and deployed and co-ordinate with development teams in code merge conflict resolution and regression testing post the code merge.• Experience in configuration of Continuous Integration (CI) and Continuous Delivery (CD) using Devops tools like Code Commit, Code Build, Code Deploy and Code Pipeline. • Experience with designing & Planning of application and data migration from on-premises datacentre to AWS Cloud.• Configured Git with Jenkins and schedule jobs using Poll SCM option• Installed Plugins in Jenkins as per project requirements.• Managed Build and Release requests using Jenkins.• Established coding standards and enforced them through automated tools (SonarQube). • Creation of roles in Ansible for reusability and scalability. • Configured Jenkins to implement nightly builds on daily basis and generated change log that includes changes happened from last 24 hours. • Configured Jenkins with Ansible for deployment of the application in servers. • Writing playbooks for deployment of applications in configured servers. • Using branching strategy for source code management and ansible files in Git. • Configuring Jenkins with GitHub Webhooks to automate the integration, when source code is pushed and notify the errors to developers.• Creation of docker images and deploying them on containers.• Successfully integrated Nexus Repository configuration with POM for artefacts storage and downloading artefacts for deploying it in the application server such as Tomcat. Show less

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  Formerly KPISOFT

  Aug 2019 - Jun 2023

  Product Lead DevOps
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  Cognizant

  Sept 2022 - now

  Senior Manager