Manager - Network Operations & Support

Tata Communications

0 years

0 Lacs

pune maharashtra india

Posted:1 day ago| Platform:

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Skills Required

network support mobility collaboration security design architecture deployment replication topology troubleshooting authentication diagnostics azure controller siem connect filtering saml ldap synchronization dhcp backup restore

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

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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