Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
Generic

John Ratnakar

Bengaluru

Summary

Dedicated Azure AD professional with history of meeting company goals utilizing consistent and organized practices. Skilled in working under pressure and adapting to new situations and challenges to best enhance the organizational brand.

Overview

11
11
years of professional experience

Work History

Technical Support Engineer

Microsoft
06.2022 - Current

>As technical support engineer, I work on Authentication, Account management, and Sync vertical. For our S500 and ARR customers.

>Implemented AADConnect servers and resolve Azure AD connect sync errors.

>Hands-on experience in Microsoft Entra ID implementation related to Access Review, Identity Protection, risk-based conditional access, PIM, Terms of Use, and MFA.

>Worked on PIM to monitor and control all important resources in Azure.

>Device registration and troubleshooting complex hybrid AD join issues.

>Enterprise Application, App registration with SSO configuration.

>Hands-on experience on Conditional access policy and MFA

>SCIM provisioning implementations for applications.

>Proficient in handling major incidents/escalations.

>worked on SSPR and authentication methods.

>proficient in Azure KeyVault, HSM and have work experience with fixing those issues.

>B2B cross tenant collaboration

> Azure AD identity protection and deep analysis on understanding the issue and providing solution.

>Good knowledge on Entra access reviews and life cycle management.

>handled Azure AD application proxy issues with great intent.

>Azure RBAC and Azure AD user management


Senior Specialist

HCL technologies
10.2021 - 06.2022
  • Handling a team of ten members.
  • working on Azure AD on demand projects for Volvo client.
  • Integrating applications based on customer needs and configuring an SSO based on authentications types.
  • Validating and granting API permissions for applications based on types.
  • Renewing SAML certificates for the applications. Solving SSO issues for users.
  • Configuring conditional access policy based on requirement and Azure MFA.
  • Identified areas in need of critical improvement and implemented strategies to achieve targets.
  • Handling Hybrid Azure AD join critical issues and resolving in first call.
  • Integrating on-prem applications to Azure Application proxy.
  • Managing Azure AD connect. Implementing critical changes on week ends.

Senior Support Engineer

Nous Infosystems India Private Ltd
03.2021 - 09.2021
  • Supporting Global view point clients.
  • Maintaining and administrating Azure AD profiles.
  • Application configuration as per client requirements.
  • Server maintains with an SLA 99.99%

Cloud engineer

Sysfore Technologies India Private Ltd
10.2020 - 03.2021
  • Covering IST clients and helping in resolve their issues over calls or an email.
  • Configuring conditional access policy as per client requirement.
  • Analyzing sing-in logs if any user gets blocked and restricting users for specific type of devices.
  • Converting devices into Azure AD join/Register/Hybrid azure AD join
  • Setting-up Azure MFA as second factor authentication for client users on demand.

Cyber Security Engineer (Sr Support Engineer)

Mindtree
06.2018 - 10.2020
  • Covering EMEA region and helping Global customers to resolve their issues over calls or an email.
  • Experienced in configuring Azure SAAS applications and troubleshooting.
  • Configuring and troubleshooting Azure AD Application Proxy for on-Premises applications
  • Understanding KCD flow and solving Application proxy issues.
  • Good knowledge on Devices and converting them into Hybrid Azure AD join/Azure AD join/Azure AD register.
  • Collecting NGC logs for complex device issues and troubleshooting after reading logs based on events.
  • Setting-up an Azure MFA and troubleshooting.
  • Configuring an Azure MFA with NPS extension and troubleshooting.
  • NPS extension for VPN and RD web.
  • Good experience on Azure AD connect and powershell.
  • Setting-up an SCP based on domain type for device configuration
  • Configuration of conditional access, App registration in Azure Portal

Network Trainee

Aricent technologies
10.2014 - 08.2015

Responsibilities:

  • Determine all tasks associated with patching products that could be affected by the vulnerability and determine the level of effort required to resolve this issue
  • Determine Communication plan for internal/external resources and customers.
  • Update the servers and troubleshoot if any problem arises during the update.
  • Updating a wide range of Avaya products voice products like Sessions Managers, IP office suites Communications Managers.


Education

B.tech - Computer Science And Engineering

DIET, JNTU

Skills

  • Azure Active directory
  • Fiddler
  • Device Auth logs
  • NPS Auth Logs
  • SAML traces

Accomplishments

  • Approved Subject Matter Expert (SME) by Microsoft PTAs for devices technology and handling all the escalated cases smoothly.
  • Award by Microsoft ASIA PACIFIC HEAD as an Emerging Engineer from Azure Identity project.
  • L100/200 certified by Microsoft.
  • Received ASIM ASIA star winner award for FY-23 by Wilson Leung

Timeline

Technical Support Engineer

Microsoft
06.2022 - Current

Senior Specialist

HCL technologies
10.2021 - 06.2022

Senior Support Engineer

Nous Infosystems India Private Ltd
03.2021 - 09.2021

Cloud engineer

Sysfore Technologies India Private Ltd
10.2020 - 03.2021

Cyber Security Engineer (Sr Support Engineer)

Mindtree
06.2018 - 10.2020

Network Trainee

Aricent technologies
10.2014 - 08.2015

B.tech - Computer Science And Engineering

DIET, JNTU
John Ratnakar