Email Security Engineer

Email Security Engineer page is loaded## Email Security Engineerlocations : MY209 - DXC Petaling Jaya (MY209)time type : Full timeposted on : Posted 30+ Days Agojob requisition id :

• Job Description :
• DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates.
• Job Summary :
• We are seeking a highly skilled Email Security Engineer with hands-on experience in managing and optimizing enterprise-grade email security platforms. This role is instrumental in safeguarding users against email-based threats, enforcing domain authentication standards, and maintaining the integrity of cloud and on-premises messaging systems.The engineer will work closely with vendors such as Valimail, Proofpoint, and Trend Micro, and will be actively involved in policy enforcement, incident response, system governance, and compliance readiness.
• Key Responsibilities :
• Investigate and respond to malicious email threats, phishing campaigns, spoofing incidents, and business email compromise (BEC).
• Administer and enhance configurations on email security platforms including Valimail, Proofpoint, and Trend Micro.
• Manage and enforce DMARC, SPF, and DKIM protocols using Valimail to ensure domain protection and message authenticity.
• Perform daily and monthly system health checks, reviewing traffic patterns, threat categorizations, and delivery performance.
• Coordinate with vendors and Technical Account Managers (TAMs) for feature rollouts, issue resolution, and governance activities.
• Implement and monitor email routing rules, spam filtering, policy enforcement, and reputation-based controls.
• Troubleshoot delivery failures, analyze Non-Delivery Reports (NDRs), and liaise with internal teams for root cause resolution.
• Maintain integration between Microsoft Exchange (on-prem / hybrid) and Office 365 environments.
• Provide support for internal and external audits, including data collection, compliance reporting, and evidence submission.
• Conduct quarterly access reviews and ensure governance policies are consistently applied across platforms.
• Role Expectations :
• Applies deep subject matter expertise in email authentication, security protocols, and threat prevention.
• Develops and enhances detection methods, policy frameworks, and threat mitigation strategies.
• Solves complex issues involving message headers, routing paths, and authentication anomalies.
• Makes independent decisions within policy guidelines to maintain secure and reliable mail flow.
• Leads or contributes to cross-functional initiatives involving IT, cybersecurity, and compliance teams.
• Mentors junior team members and contributes to documentation, process refinement, and knowledge sharing.
• Represents the organization in vendor meetings and discussions with clients or auditors regarding email security posture.
• Technical Skills and Experience Required :
• Essential :
• 3–5 years of experience in managing enterprise email security platforms.
• Strong understanding of email protocols (SMTP, IMAP, POP3), DNS, and general networking concepts.
• Experience in at least 2 of the following technologies :
• Valimail – DMARC, SPF, DKIM configuration and enforcement
• Proofpoint Email Protection
• Trend Micro Email Security
• Microsoft Exchange (on-prem / hybrid)
• Microsoft 365 / Office 365
• Email auditing and hygiene
• Email routing and delivery troubleshooting
• ITSM integration for incident and workflow tracking
• Advantageous Certifications :
• Microsoft 365 Security Administrator, SC-200, SC-400
• CompTIA Security+
• Vendor-specific email security credentials (e.g., Proofpoint, Valimail)Learn more about DXC's Security team -Instagram : Youtube : TikTok : WebsiteAt DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available
• DXC Technology (NYSE : DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Learn more about how we deliver excellence for our customers and colleagues at .

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