Network Security Specialist

Placements24; Pretoria; On-site; ZAR 700,000 - 900,000; Full time

Benefits offered by this job

Competitive salary

Annual bonuses

Health insurance

Training & development

Retirement plan

On-site facilities

Job summary

Placements24 is seeking a Network Security Specialist to design, implement, and manage security measures protecting our telecom infrastructure. You will collaborate with the network operations team to ensure confidentiality, integrity, and availability of critical systems.

The role requires hands-on experience with firewalls, IDS/IPS, VPNs, and SIEM, plus 4+ years in the field. Certifications are desirable, and you will stay current with evolving threats while contributing to policy development

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, or a related technical field.
• Minimum 4 years of experience in network security.
• Hands-on experience with firewalls, IDS/IPS, and SIEM.
• Security certifications such as Security+, CISSP, CEH are desirable.
• Strong analytical and problem-solving skills.

Responsibilities

• Implement and maintain network security solutions including firewalls, IDS/IPS, and VPNs.
• Monitor network traffic for security breaches and incidents.
• Conduct regular security assessments, vulnerability scans, and penetration tests.
• Develop and update security policies and procedures.
• Provide guidance on network security best practices to the IT team.
• Stay current with threats, vulnerabilities, and mitigation techniques.

Skills

Network security concepts

Analytical skills

Threat detection

Education

Bachelor's degree in Computer Science or Cybersecurity

Tools

Firewalls (Palo Alto; Cisco ASA)

IDS/IPS

SIEM

Job description

About the Role

Our client is seeking a highly skilled Network Security Specialist to safeguard their critical telecommunications infrastructure. In this vital role, you will be responsible for designing, implementing, and managing security measures to protect the network against evolving threats. You will work closely with the network operations team to ensure the integrity, confidentiality, and availability of our network systems. This position requires a dedicated professional with a deep understanding of cybersecurity principles and practical experience in a demanding network environment.

Key Responsibilities

• Implement and maintain network security solutions, including firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs.
• Monitor network traffic for security breaches and suspicious activities, responding promptly to incidents.
• Conduct regular security assessments, vulnerability scans, and penetration tests to identify potential weaknesses.
• Develop and update security policies, procedures, and best practices for the network environment.
• Provide expertise and guidance on network security best practices to the broader IT team.
• Stay current with the latest security threats, vulnerabilities, and mitigation techniques.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, or a related technical field.
• Minimum of 4 years of experience in network security or a closely related field.
• Strong understanding of network protocols, security architectures, and common attack vectors.
• Hands-on experience with security technologies such as firewalls (e.g., Palo Alto, Cisco ASA), IDS/IPS, and SIEM solutions.
• Relevant security certifications (e.g., Security+, CISSP, CEH) are highly desirable.
• Excellent analytical and problem-solving skills, with attention to detail.

Benefits

• Competitive salary and potential for annual bonuses.
• Comprehensive health insurance package, including medical, dental, and vision coverage.
• Structured professional development and training opportunities.
• Retirement savings plan with employer contributions.
• On-site work environment with access to state-of-the‑art security tools.
• A collaborative team dedicated to maintaining a secure network.