Senior Email Security Architect

UnitedHealth Group; Metro Manila; Hybrid; PHP 900,000 - 1,500,000; Full time

Benefits offered by this job

Hybrid work model

Laptop provided by company

Medical plan from day 1

Dental and vision reimbursements

Retirement plan

Job summary

Optum Insight’s Cyber Defense Team seeks a Security Engineer, Email Security to design and scale enterprise email security architectures and platform infrastructure. You will lead evaluations of new capabilities, ensure secure baselines, and govern engineering standards while leveraging AI tools to optimize security workflows.

Responsibilities include implementing and maintaining email security controls, monitoring configuration drift, and administering CrowdStrike and Defender for Endpoint for

Qualifications

• Bachelor’s degree or 4+ years of equivalent information security or software engineering experience.
• 3+ years of hands-on experience designing, implementing, and administering enterprise email security technologies.
• 3+ years of experience establishing engineering standards, secure configuration baselines, technical documentation, or hardening guides.
• 3+ years of experience with e-mail authentication protocols (DMARC, DKIM, SPF) and advanced e-mail protection capabilities.
• 2+ years of experience in information security engineering, security operations, or cyber defense engineering.
• 2+ years of hands-on experience with enterprise security tools and platforms including SIEM, XDR, or XEM.
• Knowledge of security frameworks NIST, CIS controls, MITRE ATT&CK

Responsibilities

• Serve as the technical subject matter expert for enterprise email security, designing, building, and maintaining scalable and resilient email security architectures and platform infrastructure.
• Establish and maintain enterprise engineering standards, secure configuration baselines, technical implementation standards, and architecture documentation.
• Lead technical evaluations, POV/POC initiatives for emerging email security capabilities, vendor offerings, and innovative tools.
• Monitor and remediate configuration drift, ensuring alignment with security baselines and governance.
• Use AI tools and scripting frameworks to streamline workflows, automate administrative functions, and drive capability maturity.
• Evaluate industry trends and threat patterns to inform multi-year security roadmaps and initiatives.
• Administer, maintain, and operate CrowdStrike and Microsoft Defender for Endpoint for assigned clients.
• Perform daily endpoint security checks, sensor status, agent connectivity and policy compliance.
• Manage and maintain EDR policies including prevention/detection, real-time protection, and attack surface reduction
• Configure and manage exclusions, whitelisting and false-positive handling.
• Create and maintain dashboards and reports for endpoint compliance and EDR metrics.
• Comply with employment contracts and company policies, and adapt to changing business directives

Skills

Email security engineering

Email authentication protocols

Threat protection tooling

Security frameworks knowledge

Education

Bachelor’s degree

4+ years information security or software engineering experience

Tools

SIEM

XDR

XEM

Job description

Optum Insight’s Cyber Defense Team seeks a Security Engineer, Email Security to design and scale enterprise email security architectures and platform infrastructure. You will lead evaluations of new capabilities, ensure secure baselines, and govern engineering standards while leveraging AI tools to optimize security workflows.

Responsibilities include implementing and maintaining email security controls, monitoring configuration drift, and administering CrowdStrike and Defender for Endpoint for