Email Security Architect & Infrastructure Resilience Lead

EY; Taguig; On-site; PHP 600,000 - 1,200,000; Full time

Job summary

EY is seeking an experienced Cybersecurity Administrator, Infrastructure Security to design, implement, operate, and optimize enterprise technology and email security services in a globally connected business environment. The role emphasizes reliability, security, and scalable infrastructure while aligning with EY’s transformation initiatives.

The incumbent will drive policy tuning, incident response, and governance across cloud and hybrid ecosystems, ensuring robust protection against phishing,

Qualifications

• Bachelor’s degree in information technology, Computer Science, Cybersecurity, or related discipline.
• 3+ years of experience managing enterprise messaging platforms and email security technologies, including Microsoft Exchange Online, Microsoft 365, Outlook, and Proofpoint administration.
• Experience with hybrid messaging environments and cloud security controls.

Responsibilities

• Lead hands-on administration, configuration, policy tuning, optimization, and troubleshooting of Proofpoint and Microsoft Defender for Office 365, including email threat protection, mail flow, quarantine, allow/block controls, alerting, reporting, and platform integrations.
• Govern the end-to-end email service lifecycle, including mailbox management, access controls, retention policies, and platform standards.
• Develop and enforce enterprise email security controls to protect against phishing, malware, spoofing, BEC, and emerging cyber threats.
• Oversee email authentication, mail flow architecture, routing policies, and secure communications across cloud, hybrid, and integrated environments.
• Lead email threat investigations and response activities involving phishing, BEC, impersonation, spoofing, malicious URLs and attachments, compromised accounts, and other email-borne threats.

Skills

Proofpoint administration

MS Defender for Office 365

Email security

Threat investigations

Policy tuning

Email mail flow & routing

Cloud/hybrid environments

Regulatory/compliance awareness

Education

Bachelor’s degree in information technology, Computer Science, Cybersecurity, or related discipline

Tools

Proofpoint

Microsoft Defender for Office 365

Exchange Online

Job description

EY is seeking an experienced Cybersecurity Administrator, Infrastructure Security to design, implement, operate, and optimize enterprise technology and email security services in a globally connected business environment. The role emphasizes reliability, security, and scalable infrastructure while aligning with EY’s transformation initiatives.

The incumbent will drive policy tuning, incident response, and governance across cloud and hybrid ecosystems, ensuring robust protection against phishing,