Network Security Engineer

Kamoplacement; Pretoria; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A leading security solutions provider in Pretoria is seeking a Network Security Engineer to design and maintain robust security infrastructures. The ideal candidate will have over 7 years of experience in network security, a strong understanding of cybersecurity frameworks, and relevant certifications like CCNP Security or CISSP. Key responsibilities include monitoring network traffic, conducting forensic analysis on security incidents, and ensuring compliance with ISO/IEC standards. This role is open to persons with disabilities.

Qualifications

• CCNP Security, CISSP, or equivalent industry-recognized security certifications required.
• Minimum of 7 years' experience in network security engineering or a related discipline.
• Proven experience managing enterprise-grade security infrastructure.

Responsibilities

• Monitor network traffic to detect anomalies and respond to security incidents.
• Conduct forensic analysis to ensure timely containment of security events.
• Ensure compliance with ISO / IEC standards and cybersecurity policies.

Skills

Network protocols

Cisco firewall configurations

Perimeter defense technologies

Incident response

Threat mitigation

Vulnerability remediation

Education

Bachelor's degree in information security or Computer Science

6 - 8 years of Network Security experience

Tools

Web Application Firewalls (WAF)

Next-Generation Firewalls (NGFW)

Intrusion Prevention Systems (IPS)

DDoS protection tools

SIEM platforms

Cisco Identity Services Engine (ISE)

Job description

Overview

Network Security Engineer

JOB DESCRIPTION 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).

Responsibilities

• 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 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.

Qualifications

• Bachelor's degree in information security, Computer Science, and / or Matric with 6 - 8 years Network Security experience.
• CCNP Security, CISSP, or equivalent industry-recognized security certifications
• Minimum of 7 years' experience in network security engineering or a related discipline.
• Proven experience managing and maintaining enterprise-grade security infrastructure.
• Demonstrated expertise in incident response, threat mitigation, and vulnerability remediation.
• Experience working within regulated environments and adhering to cybersecurity standards such as ISO / IEC.
• Key Competencies: Technical Proficiency including knowledge of network protocols, Cisco firewall configurations, and perimeter defense technologies.
• Security Tools Proficiency: Hands-on experience with Web Application Firewalls (WAF), Next-Generation Firewalls (NGFW), Intrusion Prevention Systems (IPS), DDoS protection tools, SIEM platforms, and Cisco Identity Services Engine (ISE).

Other

• Vulnerability Management: Strong understanding of OWASP Top 10 vulnerabilities and the ability to assess, remediate, and mitigate risks across cloud and on-premise environments.
• Incident Response: Skilled in detecting, analysing, and responding to network security incidents and conducting forensic investigations.
• Analytical and Problem-Solving Ability: Exceptional troubleshooting and diagnostic skills to identify and resolve complex network security issues.
• Regulatory and Compliance Awareness: Familiarity with cybersecurity frameworks and standards, particularly ISO / IEC and related regulatory obligations.
• Documentation and Reporting: Ability to maintain accurate technical records, incident logs, and contribute to audit and risk reporting.
• Collaboration and Communication: Strong interpersonal skills to work effectively across technical teams and convey security issues to non-technical stakeholders.
• This position is open to persons with disabilities.