Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Timeline
Generic

Hari Obulesu C

Bangalore

Summary

Detail-oriented Active Directory Specialist with over 4 years of strong experience in managing user accounts, groups, Group Policies (GPOs), and authentication services across enterprise environments. Skilled in troubleshooting AD replication, DNS/DHCP, and access issues while ensuring security and compliance. Adept at supporting cross-functional teams, streamlining identity management processes, and contributing to automation and system improvements.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Active Directory Specialist

TCS
2022.03 - Current
  • Managed Active Directory (AD) user and group administration, including creation, modification, and removal of accounts, security groups, and distribution lists.
  • Implemented and maintained Group Policies (GPOs) to enforce security standards, optimize workstation performance, and control access to resources.
  • Monitored and troubleshooted AD replication, DNS, and DHCP issues, ensuring minimal downtime and high availability of domain services.
  • Supported onboarding and offboarding by provisioning accounts, assigning appropriate permissions, and disabling/deleting accounts for leavers.
  • Coordinated with IT security teams to enforce password policies, multi-factor authentication, and access controls across AD and Azure AD.
  • Assisted in migrations and upgrades of Active Directory environments, including domain consolidation and OU restructuring.
  • Automated repetitive tasks using PowerShell scripting, reducing manual workload and increasing efficiency.
  • Provided technical support for authentication issues, including Kerberos, Single Sign-On (SSO), and account lockouts.
  • Performed regular audits and reporting on inactive accounts, privileged access, and compliance with organizational policies.
  • Collaborated with cross-functional teams to ensure seamless integration of AD with enterprise applications like Office 365, Exchange, and ERP systems.
  • Executed laptop reimaging for user devices to ensure updated operating systems and software.

Education

Bachelor of Technology -

IIIT RGUKT RKValley
Kadapa , AP
2019-06

Skills

  • Active Directory Management
  • User and group administration
  • GPO creation
  • Access control
  • Security policies
  • Identity & Access Management
  • Onboarding/offboarding
  • SSO
  • MFA
  • Role based access
  • Azure AD
  • Active Directory
  • DNS
  • DHCP
  • PowerShell
  • Exchange
  • Office 365
  • Okta
  • ServiceNow
  • AD replication monitoring

Certification

• Azure Fundamentals AI-900 (Microsoft)
• Azure Active Directory (Udemy)
• TCS Certified CBO Xceed Wintel Intermediate Curriculum

Accomplishments

• 4 years of consultancy experience with strong interpersonal and excellent English communication (oral and written) skills.
• Successfully implemented various process improvement initiatives across daily operational activities.
• Ability to prioritize work, meet deadlines, achieve goals, and work under pressure in a dynamic environment.
• Problem solver with a self-starter mentality, always looking to improve processes to enable the team to run smoothly.
• Proven success in challenging the status quo and bringing changes that positively impacted both internal and external stakeholders.
• Awarded a 'Certification of Appreciation' in recognition of consistent performance and contributions to the project.

Timeline

Active Directory Specialist

TCS
2022.03 - Current

Bachelor of Technology -

IIIT RGUKT RKValley
Hari Obulesu C