End User Services Digital Workplace Security Engineer

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA

Reporting to the Practice Lead – End User Services, the Security Engineer supports security operations and modern workplace security across Microsoft 365, Mimecast, and endpoint environments.

The role focuses on incident response, security control management, and continuous improvement across identity, endpoint, and email platforms, bridging operational security with engineering enhancements.

Key Roles and Responsibilities

Investigate and respond to security incidents across Microsoft 365, endpoint, and email environments by analysing alerts from tools such as Sentinel and Defender, performing root cause analysis, and supporting remediation.

Administer and enhance Microsoft 365 security controls, including Entra ID, Conditional Access, Defender, and endpoint security (Intune), while supporting Zero Trust initiatives and policy enforcement.

Support secure configurations and contribute to M365 migrations and improvements, ensuring alignment with best practices for identity, device, and data protection.

Improve and maintain SIEM detection capabilities by supporting use case tuning, identifying gaps, and assisting with basic threat detection and hunting.

Develop and support automation and operational efficiencies using scripting to streamline incident response, monitoring, and reporting.

Contribute to security dashboards and reporting, providing visibility across identity, endpoint, and email security.

Collaborate with L3 engineers and cross-functional teams on incident escalation, security improvements, and documentation of standard practices.

Skills & Attributes

Strong analytical and incident investigation skills

Good understanding of modern workplace security concepts (Zero Trust)

Ability to balance operations and improvement work

Comfortable working across identity, endpoint, and email domains

Strong communication and stakeholder engagement skills

Self-driven with ability to identify improvement opportunities

Understanding of security operations processes and service delivery (SLAs, incident handling, escalation models)

Required Experience

Strong analytical and security incident investigation skills

Good understanding of modern workplace security concepts, including Zero Trust

Working knowledge of identity, endpoint, and email security domains

Ability to balance operational tasks and continuous improvement initiatives

Familiarity with security operations processes (incident handling, escalation, SLAs)

Basic scripting capability (e.g., PowerShell, KQL, or Python) is an advantage

Strong communication and documentation skills, with ability to engage stakeholders

Self-motivated with a proactive approach to identifying and driving improvements

Ability to work independently and collaboratively in a fast-paced environment

Qualifications

Bachelor’s degree in IT, Computer Science, or related field

Preferred Certifications

SC-200, SC-300, SC-400

AZ-500 (Azure Security)

Microsoft 365 Administration certifications

Workplace type: Hybrid Working

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 part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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