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This job expired on 21/07/2026. It no longer accepts applications.
Cyber Security Specialist – IT & OT (12‑Month Contract)
Altron Digital Business · Sandton
Job description
About the role
We are looking for a highly skilled Cyber Security Specialist to own end‑to‑end security operations across both IT and Operational Technology (OT) environments in a large‑scale, multi‑site industrial organisation. The role bridges corporate IT, operational sites and managed service providers to ensure business continuity and operational excellence.
Key responsibilities
- Manage daily cyber security operations for enterprise IT and OT networks, coordinating internal teams, site personnel and external MSSPs.
- Act as primary interface with MSSPs (SOC, email security, firewall, awareness platforms), monitor SLA/KPI performance and drive continuous improvement.
- Lead incident response from detection through containment, eradication and recovery, and conduct post‑incident reviews.
- Oversee continuous threat detection via SIEM and SOC platforms, optimise detection rules and integrate threat intelligence.
- Maintain network and perimeter security, including firewall policies, VPN configurations and Zero‑Trust controls.
- Manage endpoint protection (EDR/XDR), email security, IAM and privileged access management.
- Drive security awareness programmes and manage related platforms.
- Secure Microsoft Azure and M365 environments, governing Defender for Cloud, Sentinel and Entra ID.
Required profile
- Bachelor’s degree in Information Security, Computer Science, Engineering or equivalent experience.
- Minimum 5 years of experience in cyber security operations, SOC, incident response or security engineering.
- Proven ability to work in complex industrial or multi‑site environments.
Required skills
- SIEM and SOC platforms
- Firewall, VPN and Zero‑Trust architecture
- Endpoint detection and response (EDR/XDR)
- Email security solutions
- Identity and Access Management (IAM) and Privileged Access Management (PAM)
- Microsoft Azure, Microsoft 365, Defender for Cloud, Sentinel, Entra ID
- Threat intelligence integration
- Incident response and breach management
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Altron Digital Business
Sandton