Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Srinivasan J

Chennai

Summary

Looking forward to a challenging and competitive work atmosphere, leading to a professional experience with a dynamic and progressive organization where my skills, talents, and abilities will be utilized to the maximum for mutual benefit. Proficient Technical Specialist offering many years of IT experience. Adept at setting up servers, desktops, laptops and mobile devices. Familiar with training users and configuring protocols to maximize security, usability, and performance.

Overview

18
18
years of professional experience
1
1
Certification

Work History

Technical specialist (Active directory and Azure Active directory)

HCL technologies Pvt ltd
05.2023 - Current
  • Performing Active Directory Services administration, management and routine on windows server 2019 core servers
  • Domain controller’s server Health checking.
  • Performing DNS servers’ administration and management
  • Monitoring the AD, DNS, DHCP and other essentials servers through Dynatrace tools
  • Creation bulk DHCP scopes creation via PowerShell scrips
  • DHCP scope extension based on the requirements.
  • Bulk DNS record creation via PowerShell scripts
  • Configuring and managing the group policy
  • Performed IAM operations activities in the area of azure AD.
  • Application Azure AD identity Management
  • Managing Azure AD SSO using protocols-SAML.
  • Managing the Role base access control and including custom roles creation.
  • Configuring and troubleshooting the MFA for users.
  • Managing the Conditional Access policies.
  • Worked on authentication methods on azure AD SAML
  • Upgraded the Azure AD connect.
  • Deployed an Azure VM by using an azure Resource manager template.
  • App Migration from ADFS to Azure
  • Monitored the Azure AD / On-prem AD vulnerability assessment.
  • Creating service and generic based on the requirements
  • Creating bulk groups via PowerShell scripts
  • Inactive users and unused group deletions via PowerShell scripts
  • BAU activities on the on-Prem active directory users, Groups and OU.
  • Worked on vulnerability remediations along with wintel teams.

Active directory Administrator (senior system engineer)

Tata Consultancy services
06.2020 - 08.2021
  • Experience in Install, Configure and troubleshooting for Active Directory and its Sites, Trust relationships, DNS in Microsoft Win.2008/2012 R2 2016 Server’s.
  • Performing Active Directory replication & Trust Relationship Health checks.
  • Experience in server migration for AD and other roles (DHCP, Standalone DNS server).
  • Domain controller Demotion & Scanning the not used AD subnets via power shell script and remove the same based on Project requirements.
  • Using customized power shell script for AD and other activities.
  • Experience for Create, Link and trouble shootings a Group Policies.
  • Applied Desktop security policy such as boot password, disabling USB, CD drives
  • Experience in Install, configure a scope creation, IP reservation and exclusion & Trouble shooting DHCP.
  • Troubleshoot & Fix the Volume Activation issues (via SRV records & GPO) & RDS related issues in the Production environment.
  • Set the ACL (Access Control Limit) Permissions for Production File Server Share folders and amend it.
  • WSUS Patch Management for ‘Approve & Deploy’ the Server patches in every month.
  • DNS Record creation like A, PTR, SPF, CNAME, NS, and creation of forward and reverse lookup zone.
  • ADFS server management and proxy server handling.
  • ADFS patching and RPT creation and certificates renewal.
  • Domain controller migration and respective activity for 2012r2 to 2016.
  • DHCP migration and their activities for 2012r2 to 2019.
  • Monitoring domain controller and ADFS server using MS SCOM.
  • AD and DNS logs check and validate using Splunk.
  • Attending all the AD, DHCP and DNS related incidents, service requests and change tasks raised via Service Now (SNOW) tool.
  • DHCP scope creation and failover, other configuration steps like DNS dynamic update and DHCP policies
  • DHCP reservation, Scope creation, modifications & deletions. DNS record creation, modification, deletion via IPAM
  • Hands on with the Quest Recovery Manager for restoring the hard deleted active directory Objects.
  • Hands on with the Active Role server for creating and managing dynamic groups.

Senior System Administrator

Scientific Publishing services PVT LTD
08.2014 - 05.2020
  • Microsoft Windows 2008 R2, 2012 R2 and 2016 Server. (Installing, configuring, Administering & troubleshooting).
  • Installing and Maintaining Active director, DNS, DHCP Servers
  • Configuring and maintaining Printer servers.
  • Group Policy creation, maintaining and assigning group policy to the user and computer accounts
  • Creation & Deletion of user’s, Security Groups, Distribution Groups.
  • Providing NTFS permission for folder access to users and groups.
  • Monitoring Dell servers Hardware Performance through Dell Management Console (Dell EMC).
  • Installing, upgrading and maintenance of server hardware components as per requirement
  • Updating Servers Firmware of BIOS, IDRAC, and other Hardware Components.
  • Monitoring, managing and reporting daily, weekly and monthly server status.
  • Installation, configuration and maintaining virtual machines in Windows server 2012.
  • Creating and Managing Virtual machines in VMware ESXi 6.7.
  • Monitoring and managing performance of ESXi servers and Virtual Machines
  • Creating and Managing Virtual Machines and Templates
  • Creating and managing virtual machines and installing VM Tools in VM’s.
  • Scheduling backups and restoring backups using VERITAS backup 16.0
  • Maintaining Symantec Endpoint Protection server 14.2
  • Managing 2500 clients using IBM big fix (patch management)
  • Managing servers using IBM Tivoli endpoint manager(patch management)

System Administrator

Sans bound solution pvt ltd
03.2010 - 07.2014
  • Installation, Configuration and Administration of Windows 2003 and 2008 server
  • Creating and managing user accounts, groups administrating and managing Windows 2003, 2008 ADS
  • System implementation, administration, Support of Microsoft Platforms like Windows Clients (Windows XP, 7).
  • Maintaining IT infrastructure at the site including Desktop, IBM Servers, windows administration including ADS, DHCP, DNS, WDS.

Junior Processor

Vetri software India ltd
05.2007 - 08.2008
  • Performing weekly backup folder and active directory
  • Assigning Group policy for Users.
  • Assigning sharing and security permission.
  • Configuring mail accounts MS outlook, Outlook express
  • Configuring and maintaining Hp LaserJet, canon network printers.
  • Configuring and Maintaining Access point Radmax, TPlink.

Education

MBA - System Management

Madras University
Chennai
04.2017

B.A. -

Pachiyappa’s College
Amnjikarai
04.2007

Skills

  • Active Directory management
  • Identity and access management
  • PowerShell scripting
  • DNS and DHCP administration
  • Group policy management
  • Server health monitoring
  • Vulnerability assessment and patching

Certification

  • Azure Administrator Associate (AZ-104)
  • Identity and Access Management (SC-300)
  • MCSE (2012)
  • MCSA 2008
  • VMware ESXi (5.5)

Timeline

Technical specialist (Active directory and Azure Active directory)

HCL technologies Pvt ltd
05.2023 - Current

Active directory Administrator (senior system engineer)

Tata Consultancy services
06.2020 - 08.2021

Senior System Administrator

Scientific Publishing services PVT LTD
08.2014 - 05.2020

System Administrator

Sans bound solution pvt ltd
03.2010 - 07.2014

Junior Processor

Vetri software India ltd
05.2007 - 08.2008

MBA - System Management

Madras University

B.A. -

Pachiyappa’s College

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