Network Security Engineer

Interfront SOC Ltd.; Pretoria; On-site; ZAR 400 000 - 500 000; Full time

Job summary

A cybersecurity firm in Gauteng is seeking candidates for a 24-month contract position focused on network security infrastructure. Responsibilities include managing security platforms, monitoring traffic, and ensuring compliance with cybersecurity policies. The role is hybrid and open to persons with disabilities. Closing date for applications is 12th of November 2025.

Responsibilities

• Design, implement, and maintain robust network security infrastructure.
• Manage and optimize security platforms including firewalls and VPNs.
• Monitor network traffic to detect anomalies and respond to incidents.
• Conduct forensic analysis and support incident response.
• Ensure compliance with cybersecurity policies and relevant standards.
• Oversee lifecycle management of digital certificates.
• Manage security requests and incidents through the Remedy system.
• Maintain technical documentation, configurations, and incident logs.
• Collaborate to identify vulnerabilities and recommend enhancements.

Job description

Key Responsibilities :

• Design, implement, and maintain robust network security infrastructure to protect Customer’s digital environment.
• Manage and optimize security platforms including firewalls, intrusion prevention systems (IPS), DDoS mitigation tools, VPNs, secure email gateways, and Cisco Identity Services Engine (ISE).
• Monitor network traffic to detect anomalies, investigate potential threats, and respond promptly to security incidents.
• Conduct forensic analysis and support incident response to ensure timely containment and resolution of security events.
• Ensure compliance with cybersecurity policies, ISO / IEC 27002 standards, and relevant regulatory requirements.
• Oversee the lifecycle management of digital certificates and the secure provisioning of third-party network connections.
• Manage and resolve network security requests and incidents through the Remedy system within agreed service levels.
• Maintain accurate technical documentation, configurations, and incident logs to support audits and risk reporting.
• Collaborate with internal teams to identify vulnerabilities, recommend security enhancements, and strengthen overall network defense.

Closing date : 12th of November 2025

Position type : 24 months contract

Available positions : 2

Hybrid position and successful candidates must be based in Gauteng area

These positions are open to persons with disabilities.