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Tier-1 bank, metro location but highly specialized Cisco IronPort expertise reduces applicant density.
Highly domain-specific email security and Cisco IronPort expertise limits cross-industry transferability.
Explicit 8+ years and 5+ years Cisco ESA requirement with specialized skills increases screening strictness.
Architect and manage complex Cisco IronPort ESA deployments including high availability, clustering, and disaster recovery in large-scale environments.
Lead Tier-3/L4 troubleshooting for critical email security incidents with protocol-level analysis (SMTP, DNS, TLS) and root cause investigation.
Design and enforce security policies, plan and execute migrations/upgrades, automate tasks using scripting and APIs, and provide technical leadership and mentorship.
8+ years experience in enterprise email security and messaging platforms; 5+ years specifically with Cisco IronPort ESA.
Strong expertise in Cisco ESA features including AMP, DLP, encryption, content filtering, and outbreak filters.
Proficiency in UNIX/Linux administration and scripting languages such as Python, Bash, and PowerShell.
Experience integrating Cisco ESA with Microsoft Exchange (2016/2019) and Microsoft 365 environments; strong networking knowledge including firewalls, NAT, subnetting.
Experienced technical lead capable of managing complex email security architecture and leading high-level incident resolution.
Strong background in cross-functional collaboration across Messaging, Network, and Security teams ensuring secure and seamless mail flow.
Skilled in automation and documentation, with ability to develop operational playbooks and mentor junior engineers.