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Tata Communications Limited
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Manager - Network Operations & Support

Manager - Network Operations & Support

Tata Communications Limited

0 years

0 Lacs

pune maharashtra india

Posted:17 hours ago| Platform: Foundit logo

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Skills Required

ntlm nltest dcdiag repadmin ktpass adsi edit klist azure ad connect

Work Mode

On-site

Job Type

Full Time

Job Description

Architect, plan, and implement enterprise-level AD infrastructure.

Perform domain/forest upgrades, consolidation, and restructuring.

Design OU models, delegation structures, GPO architecture, and security baselines.

Plan and implement multi-site deployment, replication topology, site links, and DC placement.
Handle P1/P2 escalations, critical outages, and deep-dive troubleshooting.Troubleshoot:

AD replication failures

Kerberos/NTLM authentication issues

Trust relationship issues

SYSVOL/DFSR/FRS problems

FSMO role failures

DNS-integrated AD issues
Perform advanced diagnostics with:dcdiag, repadmin, nltest, ktpass, klist, ldp, ADSI Edit, Event logs.

Design and manage complex GPO environments.

Perform GPO impact assessments and conflict resolution.

Establish GPO standards, baselines (CIS, Microsoft Security Baselines), and enforcement

Implement AD tiering models (Tier 0/1/2) and privileged access security.

Manage privileged groups with PAM/PIM (e.g., Azure AD PIM).

Enforce secure domain controller policies.

Conduct frequent AD security posture reviews and audits.

Work with SIEM/SOC teams on identity-related incidents.
Support and integrate AD with enterprise apps:

ADFS

Azure AD / Entra ID

Azure AD Connect (sync, filtering, staging mode)

SSO/SAML/LDAP-based applications
Troubleshoot synchronization, token issues, or authentication flows

Manage domain controllers (on-prem & cloud-hosted).

Support DNS, DHCP, PKI (ADCS), and time-sync architecture.

Plan and implement backup/restore, authoritative restores, and tombstone recovery.

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Manager - Network Operations & Support