Network Security Engineer

Impronics Technologies; Johannesburg; On-site; ZAR 600,000 - 800,000; Full time

Job summary

Impronics Technologies in Johannesburg is seeking an experienced Network Security Engineer. The role involves designing and maintaining network security architectures, managing firewalls and intrusion detection systems, and conducting security audits. Ideal candidates should have a Bachelor's degree in a relevant field and 3-5 years of experience in network security, preferably within banking. Relevant certifications such as CISSP or CISM are preferred. This is an opportunity to contribute to the security of critical banking systems.

Qualifications

• Bachelor's degree in Computer Science, Information Security, or related field.
• Relevant certifications (e.g., CISSP, CISM, CCNP Security) are preferred.
• Minimum of 3-5 years of experience in network security or IT security.

Responsibilities

• Design, implement, and maintain network security architectures.
• Configure and manage firewalls, VPNs, and security appliances.
• Conduct regular security audits, vulnerability assessments, and penetration testing.

Skills

Strong understanding of network protocols (TCP/IP, DNS, DHCP, HTTP)

Hands-on experience with firewalls (Palo Alto, Cisco ASA, Fortinet)

Experience with network security tools (SIEM, Nessus, Qualys)

Familiarity with cloud security architectures (AWS, Azure)

Knowledge of industry standards (NIST, ISO 27001, PCI DSS)

Education

Bachelor's degree in Computer Science or Information Security

Job description

Responsibilities

• Network Security Design & Implementation: Design, implement, and maintain network security architectures, ensuring the protection of bank's systems, data, and assets against unauthorized access, cyber threats, and attacks.
• Firewall & Intrusion Detection: Configure and manage firewalls, VPNs, and other security appliances (IDS/IPS) to detect and prevent potential security breaches. Continuously monitor network traffic for suspicious activity, security breaches, and vulnerabilities. Lead incident response efforts to mitigate risks and minimize damage in case of a breach.
• Security Audits & Risk Assessments: Conduct regular security audits, vulnerability assessments, and penetration testing to identify weaknesses in the network and ensure compliance with internal and regulatory standards.
• Security Tools & Automation: Utilize security tools (SIEM, firewall management systems, vulnerability scanners, etc.) and automation techniques to enhance security posture and streamline incident response processes.

Qualifications

Academic Knowledge: Bachelor's degree in Computer Science, Information Security, or related field. Relevant certifications (e.g., CISSP, CISM, CCNP Security) are preferred.

Work Experience: Minimum of 3-5 years of experience in network security or IT security, ideally in a banking or financial services environment.

Skills / Specialized Know How

• Strong understanding of network protocols, including TCP/IP, DNS, DHCP, and HTTP.
• Hands-on experience with firewalls (Palo Alto, Cisco ASA, Fortinet, etc.), VPN technologies, and IDS/IPS.
• Experience with network security tools such as SIEM, vulnerability scanners (Nessus, Qualys), and penetration testing tools.
• Familiarity with cloud security architectures and hybrid environments (AWS, Azure).
• Knowledge of industry standards and best practices (NIST, ISO 27001, PCI DSS).