TCS has been a excellent pioneer in feeding the fire of Young Techies like you. We are a global leader in the technology arena and there's nothing that can stop us from growing together.

Experience Range: 9 – 14 Yrs Location : Bang/Chennai What we are looking for Must Have experience in enterprise email security and messaging platforms, with

5+ years dedicated to Cisco IronPort ESA in large, complex environments. Strong knowledge of

SMTP, DNS, FTP, SSH, TCP/IP , and secure mail routing principles. Expertise in

Cisco ESA features : AMP, DLP, encryption, content filtering, reputation-based controls, and outbreak filters. Hands-on experience with policy design ,

disaster recovery planning , and risk analysis for email security. Proficiency in

UNIX/Linux administration , scripting (PowerShell, Python, Bash), and automation frameworks. Solid networking knowledge, including firewalls, NAT, subnetting , and load balancing. Experience integrating ESA with

Microsoft Exchange (2016/2019)

and

Microsoft O365

environments. Familiarity with

Active Directory/LDAP for directory integration and authentication.

Responsibilities

Architect and manage complex Cisco IronPort ESA deployments (physical & virtual), including high availability , clustering, and disaster recovery strategies. Lead Tier-3/L4 troubleshooting for critical email security incidents, performing protocol-level analysis

(SMTP, DNS, TLS) and root cause investigations. Design and enforce security policies for spam filtering, malware protection (AMP), DLP, encryption, and outbreak filters to meet compliance and regulatory requirements.



Plan and execute migrations, upgrades, and capacity expansions for Cisco ESA appliances in large-scale environments.

Develop and execute test plans for new features, configurations, and integrations with Microsoft Exchange and Microsoft 365. Integrate ESA with Security Management Appliance (SMA)

for centralized reporting, quarantine management, and policy orchestration. Automate operational tasks using CLI, scripting (Python/Bash), and APIs to improve efficiency and reduce manual overhead. Collaborate with cross-functional teams

(Messaging, Network, Security) to ensure seamless mail flow and secure integration with firewalls, DNS (SPF/DKIM and DMARC), and Active Directory. Maintain comprehensive documentation for architecture, configurations, troubleshooting guides, and operational playbooks.

Minimum Qualification: 15 years of full-time education

Virtual Interview on 18th Sep 2026 (Friday)

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You have the right to request TCS for temporary/permanent exclusion of your candidature from any recruitment related communication . For any such request you may write to careers.tcs.com.

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