SUNIL Gentyala

Experience

• 

  YERNEST COMPACTIVITY

  Jan 2004 - Jan 2007

  Consultant from yernest
• 

  IBM

  Dec 2008 - Apr 2010

  Operational lead specialist

  Diageo project

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  Fidelity Investments

  Apr 2010 - Apr 2013

  System Engineer
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  Volvo Group

  Aug 2013 - Apr 2015

  Assistant Manager

  Project: WSO Global Server Support | Support Level: L3 + Windows Engineering Environment: Windows OS 2000/2003/R2/2008/R2/2012/R2ESX/ESXi, FTP, RDP, VSFW5/5.1 sp2 /6, PowerShellDescription: Executed Global Projects & provided support to IT environment for Volvo Group Automobile Projects & external customers. Key Result Areas:• Led & executed major SAN Migration Projects in entire Data Center, SAN Migration on NetApp, EMC Storage, Hitachi and Xiv• Provided High Availability Solutions, IT & IT Infra Support for around 8000+ Windows Servers OS including 3000 VMs• Created and deployed Windows Failover Clusters in 2, 3 Nodes and Multi-Site (Geo) Clustering Solutions• Prepared Technical SOE Documents; provided Troubleshooting & Solution Reference Documents to 2nd level teams• Worked on Problem Cases, created PKE documents for reference; rendered support for VSFW host-based SAN Replication Solutions• Directed team functions, monitored performance each resource and accordingly provided KTs• Managed/updated VM Templates in both old & new environments; contributed in P2V & V2V Activities & vSphere Capacity Management• Planned & created periodical Update Documents for Server H/W Driver/Firmware and HP SPP as per latest changes• Took lead in investigations and pre-studies as well as participated as SME in RFPs Responses  2V0-620 - vSphere 6 Foundations 2VO-621 - VSphere 6 Datacenter virtualizationSME in Ms Failover clustering Managing and designing in SAN migration Show less

• 

  AXA

  Apr 2015 - Oct 2015

  Senior System Engineer

  Project: RDC- Asia Pacific | Support Level: L4 + Wintel SMEEnvironment: Windows OS, 2003/2008/2012/2016, MIM, AWS, ADS, DHCP, DNS UCS, VBLOCK, ESXi 5.1/5.5/6.0, RDP, FTP, PuttyKey Result Areas:• Managed multiple Windows and vSphere environments; provided SME support in:o ESXi/VCenter Troubleshooting and SRM Configuration and Failover Activityo Maintaining and supporting loglogic, ipass to secure the environmento Troubleshooting performance issues for VMs and ESX Hosts and providing RCAo Performing Server Hardening in low/medium levels; installing Windows Security Patching using BMC Bladelogic• Administered installation and configuration of new ESXi Servers, upgradation of existing ESX/ESXi Servers• Managed VMWare vSphere 5.X entailing periodic ESX Patch & VMware Tool Updates, Add/Change/Delete Storage Space & Memory2V0-620 - vSphere 6 Foundations2VO-621 - VSphere 6 Datacenter virtualization Show less

• 

  HCLTech

  Oct 2015 - now

  Client: Uber TechnologiesProject: Uber CorpSystemsRoles and responsibilities: I work in this project as Windows Administrator and Dev-Ops PowerShell scripting automation. Cloud automation and migration manage AD end to end, and Virtual infra which including AWS, Azure AD• Developed custom PowerShell modules for Thycotic Secret Server (Key Vault) that helped multiple teams to retrieve their keys, passwords• End to End management of PKI Environment involves deployment of Certificate Authorities, CRL, and OCSP configuration and management• Developed a lot of PowerShell script in Active Directory like automating bulk user and group creation, AD reports for audit etc. • Code based F5 management using Puppet (Configuration Manager)that helps the configuration same across all the F5 LTMs.• Perform DDI administration for on-prem and cloud-based technologies using Bluecat DDI.• Provides support for Microsoft Windows infrastructure including support of Active Directory, group policy, and scripting while maintaining server and desktop infrastructure.• Configure F5 BIG-IP LTM/GTM load balancers and in providing application-level redundancy and high availability• Code based F5 management using Puppet (Configuration Manager) that helps the configuration same across all the F5 LTMs• Developed PowerShell script in Active Directory like automating bulk user and group creation, AD reports for audit etc.• Code based F5 management using Puppet (Configuration Manager) that helps the configuration same across all the F5 LTMs.• Responsible for the Certificate Life-Cycle Management (CLM) that involves creation, revoke, renewal of the certificatesTools and Technology used: PowerShell, Active Directory, DNS, DHCP, F5, PKI, Puppet, Bluecat DDI and PowerShell Scripting, UCS, Kibana, AppviewX, DRYice, terraform, KubernetesDuration: 41months Show less Project: RCCL (Royal Caribbean Cruise Line)Designation: Technical Lead and Infrastructure supportEnvironment: Windows OS, 2003/2008/2012/2016, MIM, AWS, ADS, DHCP, DNS UCS, VBLOCK, ESXi 5.1/5.5/6.0, RDP, FTP, Putty, PowerShell• Managed multiple Physical & Virtual Data Center Environment as well as designed & implemented vSphere Environment• Configure F5 BIG-IP LTM/GTM load balancers and in providing application-level redundancy and high availability• Administered VMWare vSphere 4.X, 5.X including periodic ESX Patch Update, VMware Tool Update, Add/Change/Delete Storage Space & Memory; participated in SRM Failover Activities on a regular basis • Migrated from pre-prod. ESXi 5.5 Host to ESXi 6.0 during Princeton Datacenter Migration entailing movement of 250+ VMs & 10 ESXi Host to Somerset Datacenter; Contributed in ESXi/VCenter Troubleshooting, maintenance & management of Vblock, UCS Infrastructure • Implementation and support the latest PKI technologies like HSM, Microsoft certificates Authority• Provides Support for Microsoft Windows-based infrastructure including support of Active directory, GPO and identity management systems• Automation using Puppet scripting, python, PowerShell to perform day-today support functions and release management activities.• Rendered extensive support on ADS, DNS, Panzura FSM & FTP; facilitated:o ESXi Patching through Update Manager and Command Lineo Migration of Virtual Machines from vSphere 4.1 to vSphere 5.5 environment Show less

  • Consultant

    Sept 2018 - now

  • Consultant

    Mar 2018 - Sept 2018

  • Consultant

    Apr 2017 - Mar 2018

  • Consultant

    Oct 2015 - Apr 2017