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Tata Communications
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Assistant Manager - IT Operations & Infrastructure

Assistant Manager - IT Operations & Infrastructure

Tata Communications

5 years

0 Lacs

pune maharashtra india

Posted:1 day ago| Platform:

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Skills Required

mobility collaboration security network support resolve service management editing troubleshooting analysis replication checks provisioning monitoring azure testing escalation itil server powershell scripting dhcp topology mfa connect communication documentation automation auditing compliance authentication reporting saml certifications

Work Mode

On-site

Job Type

Full Time

Job Description

About The Company

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

Provide L2 support for Active Directory (AD) incidents and requests.
Troubleshoot and resolve issues related to:  Manage and maintain a multi-domain Active Directory environment.  Create, modify, and manage users, groups, service accounts, and OUs.  Perform OU movement, delegation, and access permission management.  Manage Group Policies (GPOs) – creation, editing, troubleshooting, and GPO impact analysis.  Handle FSMO roles, replication checks, and AD health monitoring.
Manage and maintain user lifecycle processes: provisioning, de-provisioning, and account management.
Perform AD health checks, monitoring logs and alerts.
Support Active Directory Federation Services (ADFS) and/or Azure AD (if applicable).
Assist in Group Policy creation, testing, and deployment.
Collaborate with L3 and other IT teams for escalation and root cause analysis.
Document all changes, procedures, and troubleshooting steps.
Follow ITIL-based processes (Incident, Problem, Change Management).
Knowledge on RODC concepts
3–5 years of experience managing and troubleshooting Active Directory in an enterprise environment.
Good knowledge of Windows Server OS.
Experience with:
Group Policy Management Console (GPMC)
PowerShell scripting for AD automation
DNS, DHCP, and FSMO roles
Understanding of AD replication topology and tools like repadmin, dcdiag.
Familiarity with Azure Active Directory, MFA, or AD Connect is a plus.
Strong analytical and problem-solving skills.
Effective communication and documentation skills.
Identity and Access Management
Should have good experience in Hybrid Environment Management
Automation and Scripting
Monitoring and Reporting
Follow company security standards & auditing procedures
Support compliance (ISO, SOC, internal security audits)
Resolve login failures, trust relationship issues, GPO conflicts, and AD replication issues
Troubleshoot authentication, Kerberos, NTLM, DNS-related issues Write and maintain PowerShell scripts for automation of AD tasks:
Bulk user creation
OU movement
Group management
Attribute updates
AD health reporting Familiarity with Azure AD, AAD Connect, SSO/SAML is a plus

Certifications

Microsoft Certified: Identity and Access Administrator Associate
Microsoft Certified: Windows Server Hybrid Administrator Associate
Microsoft Azure Administrator (AZ-104) MCSA / MCSE (Legacy)
Microsoft Identity and Access Administrator (SC-300)
Project management skills
Strong documentation and reporting skills.
Ability to communicate with cross-functional teams.
Good analytical and problem-solving skills.
Ability to handle high-severity incidents responsibly.

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Assistant Manager - IT Operations & Infrastructure