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What we are looking for

Role: Messaging / O365/ Email Security

Experience Range: 4 to 8 Years

Location: Chennai

Interview Date: 8th August 26 (09:00 AM to 12:00 PM)

Interview Venue: Tata Consultancy Services (TCS) Plot No. 1/G1, Sipcot IT Park, Navallar Post, Siruseri, Chennai – 603103.

Note-While coming for Walkin:-

· Please carry 2 or more copies of updated resume, 2 Passport size photo along with Govt ID proof(Xerox 2 copies)

· Please do not bring personal laptop or electronic gadgets to TCS premises.

Must Have:

- Strong experience in Microsoft 365 Messaging Administration , including Exchange Online, Exchange Hybrid, and Exchange Server 2019.
- Hands-on experience administering and supporting Microsoft Exchange Online , mailbox lifecycle management, mail flow, transport rules, SMTP relays, and message tracing.
- Extensive experience managing Cisco Email Security Appliance (ESA) and Cisco Cloud Email Security (CES) platforms.
- Proven experience in Cisco ESA to CES migration projects , including planning, assessment, policy migration, mail flow redesign, implementation, testing, validation, and post-migration support.
- Strong knowledge of Email Security and Messaging Infrastructure , including SMTP, DNS, SPF, DKIM, DMARC, TLS, MX Records, and Autodiscover.
- Hands-on experience with Microsoft Entra ID (Azure AD) , Azure AD Connect, ADFS, SSO, MFA, Conditional Access, and Identity Management.
- Experience with Microsoft Teams, OneDrive for Business, SharePoint Online, and Collaboration Services Administration .
- Experience administering Microsoft Defender for Office 365 and email threat protection solutions.
- Experience with Microsoft Purview Compliance Portal , DLP, eDiscovery, Retention Policies, Content Search, and Compliance Management.
- Strong background in Incident Management, Problem Management, Change Management, and Root Cause Analysis (RCA) .




- Experience supporting P1/P2 critical incidents in a global enterprise environment.
- Hands-on experience working with PowerShell scripting and Exchange Online PowerShell for automation and administration.
- Experience using Microsoft Graph API for automation and administrative tasks.
- Experience managing and troubleshooting mail routing, email delivery, phishing, spoofing, and mail security incidents .
- Experience supporting Microsoft 365 tenant migrations , Exchange Hybrid deployments, and cloud transformation initiatives.
- Strong troubleshooting skills across Microsoft 365, Exchange, Email Security, Identity, and Collaboration platforms.
- Ability to collaborate with Infrastructure, Security, Network, Application, and End User Computing teams.
- Experience working with Microsoft Support, Cisco TAC, and third-party vendors for issue resolution and escalation management.
- Strong documentation skills including SOPs, runbooks, knowledge articles, and operational procedures.
- Ability to provide 24x7 production support , including rotational shifts, weekends, and holiday coverage.

Positive to Have:

- Experience with Microsoft Intune (MDM/MAM) , device compliance, application deployment, and endpoint management.
- Knowledge of CyberArk , SiteMinder, and Privileged Access Management solutions.
- Experience with Zero Trust Security Architecture and Identity Security Controls.
- Experience managing Azure Information Protection (AIP) and Information Rights Management (IRM/RMS).
- Knowledge of Records Management, Retention Labels, and Advanced Compliance Governance .
- Experience with Power Automate and workflow automation.
- Familiarity with Zoom, Polycom, and Enterprise Collaboration Integrations .
- Understanding of RBAC (Role-Based Access Control)



and governance frameworks.
- Experience in Microsoft 365 service optimization and operational excellence initiatives.
- Knowledge of Microsoft 365 Service Health monitoring and reporting.
- Experience with large-scale enterprise messaging transformation programs.
- Understanding of cloud migration strategies and coexistence management.
- ITIL Foundation certification or strong ITIL process knowledge.
- Experience in automation-driven service improvement initiatives.
- Familiarity with audit reporting, compliance reporting, and operational dashboards.
- Knowledge of enterprise security and compliance frameworks.

Essential:

- Experience with Microsoft Intune (MDM/MAM) , device compliance, application deployment, and endpoint management.
- Knowledge of CyberArk , SiteMinder, and Privileged Access Management solutions.
- Experience with Zero Trust Security Architecture and Identity Security Controls.
- Experience managing Azure Information Protection (AIP) and Information Rights Management (IRM/RMS).
- Knowledge of Records Management, Retention Labels, and Advanced Compliance Governance .
- Experience with Power Automate and workflow automation.
- Familiarity with Zoom, Polycom, and Enterprise Collaboration Integrations .
- Understanding of RBAC (Role-Based Access Control) and governance frameworks.
- Experience in Microsoft 365 service optimization and operational excellence initiatives.
- Knowledge of Microsoft 365 Service Health monitoring and reporting.
- Experience with large-scale enterprise messaging transformation programs.
- Understanding of cloud migration strategies and coexistence management.
- ITIL Foundation certification or strong ITIL process knowledge.
- Experience in automation-driven service improvement initiatives.
- Familiarity with audit reporting, compliance reporting, and operational dashboards.
- Knowledge of enterprise security and compliance frameworks.

Minimum Qualification:

- 15 years of full-time education
- Minimum percentile of 50% in 10th, 12th, UG & PG (if applicable)

📌 Messaging // Email Security 8th August 26 Walkin Chennai
🏢 Tata Consultancy Services
📍 Chennai