Remote Senior Network Security Engineer - Threat Defense

Placements24; Randburg; Hybrid; ZAR 1,969,000 - 2,953,000; Full time

Benefits offered by this job

Remote work flexibility

Competitive salary and bonus

Home office stipend

Professional development

Health benefits

Cutting-edge tools

Career growth

Job summary

Placements24 is seeking a Senior Network Security Engineer to join a globally recognized cybersecurity leader, operating fully remotely. You will design, implement, and manage robust network security infrastructure, lead threat detection and incident response, and mentor junior staff in a remote, collaborative environment.

The ideal candidate has 7+ years of enterprise experience, deep knowledge of firewall technologies, SIEM platforms, and cloud security across AWS, Azure, and GCP.

Qualifications

• Bachelor’s degree in CS/Cybersecurity/IT or related field; Master’s preferred.
• 7+ years in network security engineering in enterprise environments.
• Expert knowledge of TCP/IP, BGP, SSL/TLS, IPsec, PKI.
• Hands-on with Firewalls (Palo Alto, Fortinet, Cisco ASA) and IDS/IPS.
• Proficiency with SIEM tools and threat intel platforms.
• Experience with cloud security for cloud-native apps.
• Strong incident response and forensic analysis skills.
• Relevant security certifications such as CISSP, CCIE Security, GIAC preferred.

Responsibilities

• Design, deploy, and maintain network security solutions (firewalls, IDS/IPS, VPNs, SIEM).
• Monitor traffic and alerts; lead incident response efforts.
• Develop and enforce security policies across the network.
• Conduct security assessments, pentests, and vulnerability scans.
• Manage security for AWS, Azure, and GCP environments.
• Stay updated on emerging threats and mitigations.
• Collaborate with IT/engineering to embed security in design and operations.
• Provide guidance and mentorship to junior team members.

Skills

Network security engineering

Enterprise networks

IDS/IPS

WAFs

SIEM tools

Cloud security

Incident response

Threat intelligence

Education

Bachelor's degree in Computer Science, Cybersecurity, Information Technology

Master's degree or equivalent experience

Tools

Splunk

QRadar

Palo Alto Networks

Fortinet

Cisco ASA

AWS

Azure

GCP

Job description

Placements24 is seeking a Senior Network Security Engineer to join a globally recognized cybersecurity leader, operating fully remotely. You will design, implement, and manage robust network security infrastructure, lead threat detection and incident response, and mentor junior staff in a remote, collaborative environment.

The ideal candidate has 7+ years of enterprise experience, deep knowledge of firewall technologies, SIEM platforms, and cloud security across AWS, Azure, and GCP.