Req ID: 394531

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Security Center Operations Specialist to join our team in Noida, Uttar Pradesh (IN-UP), India (IN).

Email Security Engineer – Job Description

Job Title

Email Security Engineer

Job Summary

The Email Security Engineer is responsible for the administration, security, availability, monitoring, and operational management of enterprise email security platforms. This role ensures the protection of corporate email systems against phishing, malware, spam, business email compromise (BEC), spoofing, and other email-based threats while maintaining platform stability and service availability.

The engineer will work closely with Account Security Team, NTT Operations Teams, OEM vendors, and infrastructure teams to resolve technical issues, implement security controls, enforce security policies, and provide operational and security reporting. The role also supports continuous improvement of email security capabilities, threat protection, and service reliability.

Key Responsibilities

Email Security Platform Management

Administer and maintain enterprise email security platforms and services.
Ensure high availability, performance, and operational health of email security infrastructure.
Monitor email security gateways, cloud email security solutions, and supporting systems.
Manage platform configurations, upgrades, patches, and lifecycle activities.
Support capacity planning, performance tuning, and operational optimization.

Platform Availability & Operational Management

Monitor platform availability and service health to ensure compliance with agreed SLAs.
Investigate service outages, mail flow issues, delivery delays, and system performance concerns.
Coordinate incident resolution activities across multiple operational teams.
Support disaster recovery and business continuity processes related to email security platforms.
Maintain operational runbooks and standard operating procedures.

Email Threat Protection & Security Operations

Monitor and respond to:

Phishing attacks
Business Email Compromise (BEC)
Malware campaigns
Spoofing attempts
Email-borne threats

Investigate email security incidents and coordinate remediation activities.
Support implementation of:

SPF
DKIM
DMARC
Anti-phishing controls
Email encryption controls

Analyze email security trends and recommend improvements.

OEM Vendor Coordination

Coordinate with OEM vendors to resolve product defects, technical issues, software bugs, and platform-related security concerns.
Manage vendor escalations for critical incidents and service disruptions.
Review vendor advisories, product updates, and security bulletins.
Participate in vendor troubleshooting sessions and technical reviews.
Track vendor action plans and remediation timelines.

Security Policy Enforcement

Enforce security policies, standards, and controls as requested by the Account Security Team.
Implement email security controls in alignment with organizational security requirements.
Ensure compliance with approved security baselines and governance requirements.
Support security exception reviews and risk mitigation activities.
Validate policy compliance across email security environments.

Reporting & Metrics

Generate security and operational reports mutually agreed with the Account Team.
Develop dashboards and metrics related to:

Email threat activity
Phishing detection rates
Malware detection statistics
Platform availability
SLA performance
Incident response metrics
Mail flow performance

Present operational and security posture reports to stakeholders.

Continuous Improvement

Identify opportunities to improve email security controls and operational efficiency.
Support automation initiatives for email threat investigation and response.
Improve phishing detection and response capabilities.
Recommend enhancements to platform resilience and monitoring.
Contribute to Email Security Program maturity initiatives.

Required Qualifications

Education

Bachelor's degree in Cyber Security, Information Technology, Computer Science, or related discipline.
Equivalent professional experience may be considered.

Experience

Mid-Level Engineer

3–5 years of experience supporting enterprise email security platforms.

Senior Engineer

5–8 years of experience in Email Security Engineering, Messaging Security, or Security Operations.

Technical Skills

Email Security Platforms

Experience with one or more:

Microsoft Defender for Office 365
Microsoft Exchange Online Protection (EOP)
Proofpoint
Mimecast
Cisco Secure Email
Barracuda Email Security Gateway
Google Workspace Security

Email Authentication Technologies

Strong knowledge of:

SPF
DKIM
DMARC
SMTP
Email routing and mail flow

Security Operations

Phishing investigation
Malware analysis
Threat detection
Incident response
Security monitoring
Email threat hunting

Cloud & Messaging Technologies

Microsoft 365
Exchange Online
Azure AD / Entra ID
Google Workspace
Hybrid Email Environments

Monitoring & Reporting

SIEM platforms (Splunk, Sentinel, QRadar)
Dashboard creation
Operational reporting
SLA monitoring

Preferred Certifications

Security Certifications

CompTIA Security+
CompTIA CySA+
CISSP
GSEC
GCIH

Microsoft Certifications

Microsoft SC-200
Microsoft SC-300
Microsoft MS-102
Microsoft Security Operations Analyst

Vendor Certifications

Proofpoint Certified Professional
Mimecast Certified Engineer
Microsoft 365 Security Certifications

Desired Competencies

Strong troubleshooting and problem-solving skills
Experience coordinating across multiple support teams
Vendor management and escalation experience
Strong communication and stakeholder management skills
Ability to work in high-availability enterprise environments
Strong reporting and documentation capabilities
Risk-based decision-making and prioritization

Sample Day-to-Day Activities

Monitor email security dashboards and platform health.
Investigate phishing and email security incidents.
Coordinate with OEM vendors for issue resolution and product support.
Review and implement email security policy updates.
Manage mail flow and platform availability issues.
Track remediation activities and service restoration efforts.
Generate weekly and monthly security and operational reports.
Conduct email threat trend analysis.
Participate in governance and security review meetings.

Interview Questions for This Role

Email Security

Explain how SPF, DKIM, and DMARC work together.
How would you investigate a Business Email Compromise (BEC) incident?
What controls would you implement to reduce phishing risk?

Platform Management

How do you troubleshoot email delivery failures?
How would you handle an email security platform outage?

OEM Coordination

Describe a situation where you worked with a vendor to resolve a critical issue.
How do you manage vendor escalations during service disruptions?

Security Governance

How do you enforce email security policies across an organization?
What would you do if a business unit requested an exception to email security controls?

Reporting

What email security KPIs would you report to leadership?
How would you measure the effectiveness of phishing protection controls?

Operational Support

How do you monitor platform availability and service health?
What metrics would you track to ensure SLA compliance?

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form,

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Security Center Operations Specialist

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