Sunny Singh

Experience

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  Impeccable Solutions Pvt. Ltd.

  Jan 2011 - Feb 2012

  Technical Support Associate
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  On Spot Technical Services

  Apr 2013 - Nov 2013

  Technical Support Executive
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  Concentrix

  Dec 2013 - Feb 2015

  Lead
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  Afore Technical Services Pvt. Ltd.

  Apr 2015 - May 2016

  Sr. Technical Support Officer
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  GEEKASSURED TECHNOLOGIES PRIVATE LIMITED

  May 2016 - Sept 2021

  L2 Support Engineer

  Managing and configuring windows server. Monitoring IT infrastructure so production keep going seamlessly. Implementing new infrastructure or server according to the requirement of the company. User administration/management on Windows Server.

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  Concentrix

  Sept 2021 - Mar 2023

   Worked and did troubleshooting regarding various Microsoft Enterprise products aspects on Server Operating System such as 2008, 2008 R2, 2012,2012 R2, 2016, 2019 & 2022 along with client-side OS such as Windows 7, Windows 8, Windows 8.1, Windows 10 & Windows 11. Knowledge in AD architecture and infrastructure (Directory Replication, File Replication Service (FRS) group policy, maintaining AD Partitions & FSMO Roles etc.) Knowledge of DNS, Kerberos and Windows Authentication, to include authentication with other technologies for Single Sign-On. Work with PKI (Public Key Infrastructure) issues – Revocation Check, Certificate Validation, Web Enrolment, Cross-Forest Authentication, PKI migration from old server to new server. Work with Forests and Domains; Restructuring a Forest and Renaming Domains. Work with Account lockout issues and enable different kinds of auditing to generate appropriate event ids as per the issue. Work with Permissions issues. Troubleshooting AD Replication issues (Access is denied / Access was denied / Naming Context is already in progress /Target Principal Name is incorrect /Lingering object issues /RPC server is unavailable) Maintain the Group Policy infrastructure based on the policies and guidelines provided. Develop, update, document and manage GPOs across complex multiple domains, network environment Knowledge of implementing, administering and managing Windows Server Active Directory technologies and services, such as Users and Groups, Group Policies, DC locator, FSMO roles, AD Replication (Inter-site or Intra-site) etc. Also have extensive troubleshooting experience using Microsoft Network Monitor to gather and analyse network traces and figure out network connectivity loss with help of packet sniffing used while troubleshooting various technologies such as DNS, DHCP, AD Replication issues etc. Knowledge of other data capturing tools like Port query, Process Monitor etc. Show less

  • Subject Matter Expert

    Jan 2023 - Mar 2023

  • Active Directory Specialist

    Sept 2021 - Mar 2023
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  MetLife

  Mar 2023 - now

  Assistant Manager