Email Security Engineer at DXC Technology

Petaling Jaya, Selangor, Malaysia

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Information Technology, CybersecurityIndustries

Requirements

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)
Deep subject matter expertise in email authentication, security protocols, and threat prevention
Ability to solve complex issues involving message headers, routing paths, and authentication anomalies
Ability to make independent decisions within policy guidelines

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
Manage blocklists, allowlists, quarantine settings, and warning banners in user-facing messages
Conduct quarterly access reviews and ensure governance policies are consistently applied across platforms
Develop and enhance detection methods, policy frameworks, and threat mitigation strategies
Lead or contribute to cross-functional initiatives involving IT, cybersecurity, and compliance teams
Mentor junior team members and contribute to documentation, process refinement, and knowledge sharing
Represent the organization in vendor meetings and discussions with clients or auditors regarding email security posture

Skills

Valimail

Proofpoint

Trend Micro

DMARC

SPF

DKIM

Microsoft Exchange

Office 365

Phishing Investigation

Incident Response

Email Routing

Spam Filtering

DXC Technology

IT services for enterprise modernization and management

About DXC Technology

DXC Technology provides IT services to large enterprises, focusing on modernizing their critical systems and operations. The company uses the Enterprise Technology Stack to enhance IT infrastructure, optimize data architectures, and ensure security across various cloud environments, including public, private, and hybrid. DXC operates on a contractual basis, offering consulting, system integration, and managed services to help clients improve their IT operations. What sets DXC apart from competitors is its strong commitment to innovation, sustainability, and corporate responsibility, which has earned it recognition as one of the Most Responsible Companies. The goal of DXC Technology is to be a trusted partner for enterprises, helping them achieve scalable and secure IT solutions while promoting inclusion and diversity within its workforce.

McLean, VirginiaHeadquarters

2017Year Founded

$14.6MTotal Funding

IPOCompany Stage

Consulting, Enterprise SoftwareIndustries

10,001+Employees

Risks

Emerging IT service providers offer cost-effective solutions, threatening DXC's market share.

Rapid technological changes may outpace DXC's innovation, risking service obsolescence.

Economic downturns could reduce IT spending, impacting DXC's long-term contract revenue.

Differentiation

DXC Technology is a Fortune 500 global IT services leader.

The company specializes in modernizing mission-critical systems for large enterprises.

DXC's Enterprise Technology Stack ensures security and scalability across cloud environments.

Upsides

DXC is recognized as a leader in the 2024 Magic Quadrant for Outsourced Digital Workplace Services.

The Quercus AI platform collaboration with Ferrovial and Microsoft enhances DXC's innovation capabilities.

DXC's role in transforming Italy's healthcare sector showcases its expertise in digital transformation.

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