NTT LtdNairobi, KE

End User Services – Digital Workplace Security Engineer

Description

Key Responsibilities Security Engineering & Governance Implement and maintain security baselines across identity, endpoints, messaging, data, and collaboration workloads (Microsoft Security Baselines, CIS Benchmarks). Deploy, configure, and operationalize: Microsoft Defender XDR, Defender for Cloud (cloud & hybrid posture management), Microsoft Sentinel (SIEM/SOAR operations and automation). Develop, tune, and maintain: SIEM/SOAR use cases, Detection rules, KQL-based analytics, Automation playbooks. Lead security incident investigations from detection, containment, root-cause analysis and remediation across identity, endpoints, messaging, and email security. Implement and maintain Microsoft Purview governance controls: Retention & records management, eDiscovery (Standard & Premium), Audit & Insider Risk, Information Protection & DLP. Modern Workplace Architecture & Engineering Design secure architectures across: Entra ID, AD DS, hybrid identity, Intune & ManageEngine Endpoint Central, Conditional Access, Zero Trust policies, Role-based access & identity governance. Architect secure and resilient messaging solutions: Exchange Online & Exchange Server, Mimecast (email security, threat protection, continuity) Lead implementation and modernization projects including: Identity hardening & MFA/Conditional Access modernization Endpoint standardization (security baselines, configuration policies) Migration projects (identity, email, device, security platforms) Defender XDR and SIEM modernization ManageEngine platform rollout and optimization Conduct technical health checks, configuration assessments, risk evaluations, and environment hardening across all EUS technologies. undefined Escalation, Operations & Service Reliability Serve as L3/L4 escalation authority for complex security, identity, endpoint, messaging, and cloud incidents. Ensure SLA compliance for P1/P2 incidents through advanced troubleshooting and root-cause analysis. Maintain operational reliability, security posture, and performance across all Digital Workplace platforms. Drive continuous improvement cycles to enhance availability, compliance alignment, and threat resilience. undefined Presales, Advisory & Client Engagement Lead security-focused presales engagements including workshops, assessments, PoCs, and RFP technical responses. Produce secure, scalable solution architectures aligned with Microsoft security frameworks (Zero Trust, MCRA frameworks). Translate business risks and compliance requirements into actionable technical designs. Act as a trusted advisor on: Cyber posture improvement Microsoft security & compliance adoption Governance & data protection Workplace modernization strategies Participate in account planning with pre-sales teams. KNOWLEDGE, SKILLS & ATTRIBUTES Technical Competencies Strong experience with Microsoft Sentinel, SIEM/SOAR, and threat detection methodologies. Expertise across M365, Entra ID, AD DS, Intune, ManageEngine, Exchange, and email security platform

Skills

SecurityCompliance

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