Sr IT Security Specialist. London. Posting Date: 07/11/2025. Deadline: 07/24/2025
Role Title: Sr IT Security Specialist
Contract Type: Regular
Reporting To: Team Manager, IT Security Operations
Program/Department/Unit Name: IT
Location: London or Johannesburg
Team Name: IT Security Operations
Role Purpose
This role is centered on global identity and access management (IAM), with a primary focus on Microsoft Entra ID. The ideal candidate may bring experience expertise across the broader Microsoft 365 security ecosystem: Intune, Defender, and Sentinel.
This role will help define and execute the roadmap for identity and security technologies while ensuring a secure, compliant, and well-governed environment.
Key Responsibilities
Serve as SME for hybrid Microsoft Entra ID, by providing strategic guidance, technical leadership, and hands-on support for identity and access management initiatives
Configure and manage Conditional Access, PIM, and RBAC to enforce adaptive access controls and identity governance aligned with modern security frameworks emphasizing continuous evaluation of user, device, and session risk
Configure and troubleshoot SSO, Provisioning, and any other MFA integrations with enterprise applications
Track and incorporate operational/incident trends to evolve enterprise IAM and security posture
Troubleshoot and resolve complex identity and endpoint security issues in real time
Maintenance of Microsoft Intune, to support device compliance, configuration profiles, and related security controls to improve security postures
Maintenace of Microsoft Defender for Endpoint, with a strong understanding of threat protection, attack surface reduction, and endpoint detection and response
Maintenance of Microsoft Sentinel, to aid in building and managing analytics rules, workbooks, playbooks, and incident response workflows within a SIEM environment
Perform cloud security analysis, configuration assessments, and develop tailored recommendations for internal teams and external clients
Provide technical guidance and support for Microsoft 365 E5 security services, including solution design, implementation strategies, and operational optimization.
The ideal candidate
Minimum of 5 years of experience in IT Security, cloud architecture, IAM or related roles
Experience architecting and implementing IAM strategies
Solid experience with KQL, PowerShell, and automated policy deployment
Experience designing and implementing policies and procedures related to: Cloud tenant security (O365), Conditional Access, PIM, MFA, Auditing, logging, threat detection
Bachelor's degree in computer science, cybersecurity, or related technical field (or equivalent experience)
Preferred certifications:
Microsoft certifications such as Identity and Access Administrator Associate, Security Operations Analyst Associate, or Information Protection Administrator
CISSP, GIAC, Security+, or other relevant IT security certificationsPrevious work in technical consulting or client-facing security engineering roles
Deep understanding of hybrid Active Directory configurations and cloud-native identity governance
Working knowledge of Defender for Cloud, Sentinel playbooks, and advanced security workloads
Integration of HRIS or ERP tools with Entra and AD
What we offer
Exceptional opportunities to learn, grow, and make an impact; from a generous annual professional development allowance for every employee to onsite training and learning conversations with visiting experts.
Excellent benefits and perks to promote well-being and a healthy work-life balance, including: