Network Security Engineer

Impronics Technologies; Johannesburg; On-site; ZAR 500 000 - 700 000; Full time

Job summary

A technology firm in Johannesburg seeks a skilled network security professional to design, implement, and maintain security architectures. This role involves configuring firewalls, managing VPNs, and leading incident response efforts. Candidates should have a Bachelor's degree in Computer Science or a related field, coupled with 3-5 years of experience in network security, preferably in banking. Relevant certifications are preferred. The position offers a chance to utilize a variety of security tools and collaborate in a dynamic environment.

Qualifications

• Minimum 3-5 years of experience in network security or IT security, preferably in banking.
• Strong understanding of network protocols (TCP/IP, DNS, DHCP, HTTP).
• Hands-on experience with firewalls and VPN technologies.
• Familiarity with hybrid environments (AWS, Azure).
• Knowledge of industry standards and best practices (NIST, ISO 27001, PCI DSS).

Responsibilities

• Design, implement, and maintain network security architectures.
• Configure and manage firewalls, VPNs, IDS/IPS.
• Continuously monitor network traffic and lead incident response.
• Conduct regular security audits and penetration testing.
• Utilize security tools such as SIEM and vulnerability scanners.

Skills

Network security architectures

Firewall management

Incident response

Vulnerability assessments

Penetration testing

Cloud security

Network protocols

Education

Bachelor's degree in Computer Science

Relevant security certifications (CISSP, CISM, CCNP Security)

Tools

Palo Alto

Cisco ASA

Fortinet

Nessus

Qualys

Job description

Responsibilities

• Design, implement, and maintain network security architectures.
• Configure and manage firewalls, VPNs, IDS/IPS.
• Continuously monitor network traffic and lead incident response.
• Conduct regular security audits, vulnerability assessments, and penetration testing.
• Utilize security tools such as SIEM, firewall management systems, and vulnerability scanners and automation techniques.

Qualifications

• Bachelor’s degree in Computer Science, Information Security, or related field.
• Relevant certifications such as CISSP, CISM, CCNP Security are preferred.
• Minimum 3-5 years of experience in network security or IT security, preferably in banking.
• Strong understanding of network protocols (TCP/IP, DNS, DHCP, HTTP).
• Hands‑on experience with firewalls (Palo Alto, Cisco ASA, Fortinet) and VPN technologies.
• Experience with 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).