Senior Network Security Architect - Lead Threat Defense

Placements24; Pietermaritzburg; On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Competitive salary and performance‑drn

Medical, dental and vision coverage

Retirement savings plan with employer

Budget for training and certifications

Access to advanced security tools

Career advancement opportunities

Generous annual leave

Prime Pietermaritzburg office location

Job summary

Placements24 in Pietermaritzburg is seeking a Senior Network Security Engineer to design, implement and manage advanced security infrastructure, protecting data and systems. You will lead policy development, monitor for breaches, and respond to incidents with a proactive mindset.

You will mentor junior staff and collaborate with IT teams to embed security across projects in a challenging, growth‑driven environment.

Qualifications

• Bachelor's degree in CS or Information Security or equivalent.
• 7+ years of network security experience.
• Experience with Palo Alto, Cisco ASA, IDS/IPS, VPNs and SIEM.
• Strong TCP/IP knowledge and network architecture understanding.
• Security certifications (CISSP, CCNA Security, CompTIA Security+) desirable.
• Scripting in Python or Bash is a plus.
• Excellent problem-solving and communication skills.

Responsibilities

• Design, implement, and maintain secure network infrastructures.
• Develop and enforce security policies, standards and procedures.
• Monitor traffic for breaches and anomalies; respond to incidents.
• Perform root cause analysis and remediation measures.
• Conduct vulnerability assessments and penetration testing.
• Configure and manage security devices and software.
• Collaborate with IT teams to integrate security measures.
• Stay updated on threats and technologies.
• Provide guidance and training to junior staff.
• Ensure compliance with security regulations and standards.

Skills

Analytical thinking

Problem-solving

Communication skills

Team collaboration

Education

Bachelor's degree in Computer Science or Information Security

Tools

Palo Alto

Cisco ASA

IDS/IPS

VPNs

SIEM

Python

Job description

Placements24 in Pietermaritzburg is seeking a Senior Network Security Engineer to design, implement and manage advanced security infrastructure, protecting data and systems. You will lead policy development, monitor for breaches, and respond to incidents with a proactive mindset.

You will mentor junior staff and collaborate with IT teams to embed security across projects in a challenging, growth‑driven environment.