Remote Senior Network Security Engineer

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

About the Role

Our client, a globally recognized leader in cybersecurity solutions, is seeking an experienced Senior Network Security Engineer to join their fully remote team. This is a pivotal role where you will be responsible for designing, implementing, and managing robust network security infrastructure to protect critical assets and sensitive data. You will play a key role in threat detection, vulnerability management, incident response, and the continuous improvement of our security posture. The ideal candidate possesses a deep understanding of network security principles, advanced threat vectors, and best-practice security controls, with a proven ability to operate effectively in a remote, collaborative environment. This position offers the opportunity to make a significant impact on protecting a leading technology organization from evolving cyber threats.

Key Responsibilities

• Design, deploy, and maintain network security solutions, including firewalls, intrusion detection/prevention systems (IDS/IPS), VPNs, and SIEM platforms.
• Monitor network traffic and security alerts for potential threats and vulnerabilities; conduct in-depth analysis and lead incident response efforts.
• Develop and enforce security policies, standards, and procedures across the organization's network infrastructure.
• Conduct regular security assessments, penetration testing, and vulnerability scans to identify and remediate risks.
• Implement and manage security technologies for cloud environments (AWS, Azure, GCP).
• Stay current with emerging security threats, vulnerabilities, and mitigation techniques.
• Collaborate with IT and engineering teams to ensure security is integrated into all aspects of network design and operations.
• Provide technical guidance and mentorship to junior security team members.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field; relevant master's degree or equivalent experience is highly desirable.
• 7+ years of progressive experience in network security engineering, with a strong emphasis on enterprise-level environments.
• Expert-level knowledge of network security technologies, protocols, and best practices (e.g., TCP/IP, BGP, SSL/TLS, IPsec, PKI).
• Hands-on experience with major firewall vendors (e.g., Palo Alto Networks, Fortinet, Cisco ASA), IDS/IPS, WAFs, and endpoint security solutions.
• Proficiency in security information and event management (SIEM) tools (e.g., Splunk, QRadar) and threat intelligence platforms.
• Experience with cloud security principles and securing cloud-native applications.
• Strong understanding of incident response methodologies and forensic analysis.
• Excellent analytical, problem-solving, and communication skills.
• Relevant security certifications such as CISSP, CCIE Security, GIAC, or equivalent are strongly preferred.
• Demonstrated ability to work autonomously and effectively manage responsibilities in a remote setting.

Benefits

• Highly competitive salary and bonus structure.
• Comprehensive health, dental, and vision insurance plans.
• Generous paid time off and remote work flexibility.
• Company-provided home office equipment and stipend.
• Opportunities for advanced training, certifications, and conference attendance.
• Access to cutting-edge security tools and technologies.
• A challenging and rewarding career path in a dynamic cybersecurity field, with the flexibility of a remote position.