About This Role
This role is for an experienced cybersecurity professional with strong expertise in Microsoft Sentinel, security operations, threat detection, and cloud security. It combines hands-on engineering capabilities with a trusted advisor approach for customers, focusing on protecting organizations through cutting-edge Managed Detection and Response (MDR) solutions and deep technical expertise.
Responsibilities
- Build strong, meaningful “trusted advisor” relationships with clients on behalf of NTT DATA and act as the main Cybersecurity Advisor for one or more customers
- Design, implement, maintain, and optimize Microsoft Sentinel environments, ensuring proper configuration, data ingestion quality, and alignment with customer security objectives
- Develop, refine, and optimize detection rules, analytics, workbooks, dashboards, and advanced KQL queries for threat detection, hunting, investigation, and reporting
- Build and maintain SOAR playbooks using Logic Apps to automate triage, response actions, and security workflows
- Support customers in optimizing the detection, response, mitigation, and reporting of cybersecurity threats within their environments
- Lead and support threat hunting activities using Microsoft Sentinel, Microsoft Defender XDR, and relevant Threat Intelligence sources
- Oversee the onboarding and integration of new log sources, ensuring appropriate mapping, normalization, governance, and data quality
- Continuously tune alerts, analytics rules, data connectors, and detection logic to improve accuracy and reduce the signal-to-noise ratio
- Provide expertise across Network/Perimeter/Cloud Security, SecOps, Threat Intelligence, EDR, and detection capabilities
- Analyze network traffic and security telemetry and design relevant detection use cases based on identified risks and attack patterns
- Propose recommendations for improving customers' cybersecurity posture and reducing identified risks
- Design and improve cybersecurity processes, procedures, runbooks, response workflows, and training programs aligned with organizational risk and industry standards
- Produce comprehensive technical documentation, including use cases, detection logic, response procedures, runbooks, and architectural diagrams
- Collaborate with SOC analysts, security engineers, cloud teams, application owners, and customer stakeholders to ensure coordinated incident response and remediation activities
- Act as a Subject Matter Expert (SME) in Cybersecurity and MDR solutions, providing technical guidance and mentorship to junior team members and cross-functional teams
- Stay up to date with emerging cybersecurity threats, technologies, attack techniques, and industry trends and translate them into improvements to detection and response capabilities
- Participate in an on-call rotation where required