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Senior Cybersecurity Specialist (Data & Platform Security)

Company

A 1L Realization (Pty) Ltd

Location

johannesburg, johannesburg

Posted

July 09, 2026

Position Overview

Key Responsibilities
  • Design and implement security controls for data platforms, pipelines, APIs and analytics environments.
  • Apply privacy-enhancing techniques including k-anonymity, l-diversity, t-closeness and differential privacy to protect sensitive data.
  • Ensure PII minimisation, data masking and secure handling of subscriber and geospatial data across all systems.
  • Implement and enforce identity and access management (IAM), role-based access control (RBAC) and least-privilege principles.
  • Maintain data lineage tracking, audit logs and traceability to support compliance and regulatory requirements.
  • Conduct security risk assessments and vulnerability analysis for data products, ML systems and cloud infrastructure.
  • Support secure design reviews in collaboration with Solution Architects, Cloud Engineers and Platform Engineers.
  • Monitor security events, respond to incidents and support root cause ...

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