Senior Network Security Engineer

Placements24; Kimberley; Hybrid; ZAR 700,000 - 1,100,000; Full time

Benefits offered by this job

Competitive salary

Medical aid and provident fund

Bonuses and cert reimbursement

Hybrid work arrangements

Training and career growth

Modern security technologies

Job summary

Placements24 in Kimberley, South Africa, seeks a Senior Network Security Engineer to design, implement, and maintain robust security for the organization's network infrastructure and data. You will monitor traffic, lead incident response, and drive security initiatives in a developing region.

The ideal candidate has 5+ years of hands-on network security experience, certifications are highly desirable, and you will work with cross-functional teams to integrate security across applications and

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related field.
• Minimum of 5 years hands-on experience in network security engineering and operations.
• Experience configuring and managing enterprise-level security devices (Cisco ASA, Palo Alto, Fortinet).
• Proficiency with TCP/IP, network protocols and common attack vectors.
• Experience with security monitoring tools, SIEM solutions, and incident response procedures.

Responsibilities

• Design, implement, and manage network security infrastructure, including firewalls, IDS/IPS, VPNs, and endpoint security solutions.
• Monitor network traffic and security logs for anomalies, threats, and policy violations, and initiate appropriate responses.
• Conduct regular vulnerability assessments and penetration tests to identify and remediate security weaknesses.
• Develop and enforce security policies, standards, and procedures across the organization.
• Respond to security incidents, conduct forensic investigations, and implement corrective actions to prevent recurrence.
• Stay current with the latest security threats, vulnerabilities, and best practices in network security.
• Collaborate with IT operations and development teams to ensure security is integrated into all aspects of the infrastructure and applications.
• Provide technical guidance and mentorship to junior security team members.
• Manage security vendor relationships and evaluate new security technologies.
• Ensure compliance with relevant data protection regulations and industry standards.

Skills

Analytical skills

Communication skills

Automation scripting

Teamwork

Education

Bachelor's degree in CS/IT/Cybersecurity

Tools

Cisco ASA

Palo Alto

Fortinet

SIEM

Python

Bash

Job description

About the Role

Our client, a rapidly growing financial services technology provider, is seeking a highly skilled Senior Network Security Engineer to join their dedicated IT security team in Kimberley, Northern Cape . This role is critical for safeguarding the organization's network infrastructure and sensitive data against evolving cyber threats. You will be responsible for designing, implementing, and maintaining robust security solutions, monitoring network traffic for suspicious activity, and responding effectively to security incidents. The ideal candidate will possess deep expertise in network security technologies, a proactive approach to threat detection, and strong analytical skills. This is an exciting opportunity to contribute to a company committed to technological excellence and data integrity in a developing region. Based in Kimberley , you will play a key role in ensuring secure operations.

Key Responsibilities

• Design, implement, and manage network security infrastructure, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and endpoint security solutions.


• Monitor network traffic and security logs for anomalies, threats, and policy violations, and initiate appropriate responses.


• Conduct regular vulnerability assessments and penetration tests to identify and remediate security weaknesses.


• Develop and enforce security policies, standards, and procedures across the organization.


• Respond to security incidents, conduct forensic investigations, and implement corrective actions to prevent recurrence.


• Stay current with the latest security threats, vulnerabilities, and best practices in network security.


• Collaborate with IT operations and development teams to ensure security is integrated into all aspects of the infrastructure and applications.


• Provide technical guidance and mentorship to junior security team members.


• Manage security vendor relationships and evaluate new security technologies.


• Ensure compliance with relevant data protection regulations and industry standards.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field; relevant certifications (e.g., CISSP, CCNA Security, GIAC) are highly desirable.


• Minimum of 5 years of hands‑on experience in network security engineering and operations.


• Proven expertise in configuring and managing enterprise‑level security devices (e.g., Cisco ASA, Palo Alto, Fortinet).


• Strong understanding of TCP/IP, network protocols, and common attack vectors.


• Experience with security monitoring tools, SIEM solutions, and incident response procedures.


• Proficiency in scripting languages (e.g., Python, Bash) for automation of security tasks is a plus.


• Excellent analytical and problem‑solving skills with meticulous attention to detail.


• Strong communication and interpersonal skills, with the ability to explain technical concepts to non‑technical audiences.


• Ability to work independently and collaboratively in a team environment, often under pressure.


• Must be legally authorized to work in South Africa and reside in or be willing to relocate to Kimberley.

Benefits

• A competitive annual salary of R.


• Comprehensive medical aid and provident fund.


• Performance‑based bonuses and potential for professional certification reimbursement.


• Opportunities for advanced training and career growth in cybersecurity.


• Flexible hybrid work arrangements.


• A stimulating and challenging work environment in Kimberley.


• Exposure to modern security technologies and practices.


• Contribute to the security posture of a growing organization.