Senior Network Security Specialist

Placements24; Nuwerus; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Placements24 in Kimberley is seeking an experienced Senior Network Security Specialist to protect the company’s network infrastructure and data assets. You will design, implement, and manage robust security solutions and respond to security incidents with urgency.

The ideal candidate has deep expertise in firewalls, IDS/IPS, VPN technologies, and SIEM, with a track record of proactive threat detection and effective collaboration with IT teams.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Minimum of 5 years of experience in network security engineering or a similar role.
• Strong expertise in firewall management (e.g., Palo Alto, Fortinet, Cisco ASA), IDS/IPS, and SIEM solutions.
• In-depth knowledge of TCP/IP networking, routing protocols, and network security principles.
• Experience with VPN technologies (IPsec, SSL VPN) and network access control (NAC).
• Relevant security certifications such as CISSP, CCSP, or GIAC are highly desirable.
• Excellent analytical and problem-solving skills, with the ability to react quickly under pressure.
• Strong communication skills for reporting security incidents and collaborating with other teams.

Responsibilities

• Design, implement, and maintain network security infrastructure, including firewalls, IDS/IPS, VPNs, and NAC solutions.
• Monitor network traffic and security logs for suspicious activities and potential security breaches.
• Conduct regular security assessments, vulnerability scanning, and penetration testing.
• Develop and enforce network security policies, standards, and procedures.
• Respond to and manage security incidents, performing root cause analysis and implementing corrective actions.
• Collaborate with IT teams to ensure security best practices are integrated into network design and operations.
• Stay current with the latest security threats, vulnerabilities, and mitigation techniques.
• Provide security awareness training and guidance to technical staff.

Skills

Network security engineering

Threat monitoring

Incident response

Communication

Education

Bachelor's degree in CS/IT/Cybersecurity

Tools

Palo Alto

Fortinet

Cisco ASA

IDS/IPS

SIEM

VPN

Job description

About the Role

Our client, a dynamic and growing telecommunications company in Kimberley, is seeking an experienced Senior Network Security Specialist. This critical role focuses on protecting the company's network infrastructure and data assets from evolving cyber threats. You will be responsible for designing, implementing, and managing robust security solutions, monitoring network traffic for malicious activity, and responding to security incidents. The ideal candidate will possess deep technical expertise in network security principles, firewalls, intrusion detection/prevention systems, and VPN technologies. This position requires a dedicated on-site presence in our Kimberley office to ensure maximum security oversight.

Key Responsibilities

• Design, implement, and maintain network security infrastructure, including firewalls, IDS/IPS, VPNs, and network access control solutions.
• Monitor network traffic and security logs for suspicious activities and potential security breaches.
• Conduct regular security assessments, vulnerability scanning, and penetration testing.
• Develop and enforce network security policies, standards, and procedures.
• Respond to and manage security incidents, performing root cause analysis and implementing corrective actions.
• Collaborate with IT teams to ensure security best practices are integrated into network design and operations.
• Stay current with the latest security threats, vulnerabilities, and mitigation techniques.
• Provide security awareness training and guidance to technical staff.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Minimum of 5 years of experience in network security engineering or a similar role.
• Strong expertise in firewall management (e.g., Palo Alto, Fortinet, Cisco ASA), IDS/IPS, and SIEM solutions.
• In-depth knowledge of TCP/IP networking, routing protocols, and network security principles.
• Experience with VPN technologies (IPsec, SSL VPN) and network access control (NAC).
• Relevant security certifications such as CISSP, CCSP, or GIAC are highly desirable.
• Excellent analytical and problem-solving skills, with the ability to react quickly under pressure.
• Strong communication skills for reporting security incidents and collaborating with other teams.

Benefits

• Competitive salary and comprehensive benefits package.
• Opportunities for advanced security training and certifications.
• Generous annual leave allowance.
• Be a key player in safeguarding the network infrastructure of a growing company in Kimberley.