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This job expired on 19/08/2026. It no longer accepts applications.
Network Security Specialist (Cloud Networking & IaC)
Sun International · Sandton
Job description
About the role
The Network Security Specialist will protect our hybrid network environment, spanning on-premises data centres and public clouds, by designing and implementing robust security controls. You will automate infrastructure provisioning with Infrastructure-as-Code and ensure continuous compliance with organisational and regulatory standards.
Key responsibilities
- Design, deploy and manage security solutions for hybrid networks across AWS, Azure and GCP.
- Implement firewalls, IDS/IPS, VPNs, network segmentation, IAM and encryption to safeguard data in transit and at rest.
- Automate infrastructure provisioning and configuration using Terraform, CloudFormation, ARM and Ansible.
- Integrate security into CI/CD pipelines and adopt DevSecOps practices.
- Monitor threats with SIEM/SOAR platforms, perform traffic analysis and respond to incidents.
- Maintain container and Kubernetes security, and develop scripts for automation (Python, Bash, PowerShell).
- Conduct vulnerability assessments, audits and ensure adherence to security standards and Zero-Trust principles.
Required profile
- Bachelor’s degree in IT, Cybersecurity, Computer Science or related field.
- Minimum 6 years of experience in network and/or cloud security.
- Deep knowledge of routing, VLANs, VPNs and SD-WAN for hybrid connectivity.
- Familiarity with hybrid identity management and Zero-Trust architectures.
- Relevant certifications such as CISSP, CCSP or Terraform Associate are preferred.
Required skills
- AWS, Azure, GCP
- Firewalls, IDS/IPS, VPN, network segmentation, IAM, encryption
- Terraform, AWS CloudFormation, Azure ARM, Ansible
- DevSecOps, CI/CD, Git
- SIEM, SOAR, monitoring, logging, traffic analysis
- Container and Kubernetes security
- Python, Bash, PowerShell scripting
- Routing, VLANs, SD-WAN
- Zero-Trust, hybrid identity management
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Sun International
Sandton
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