Remote Senior Network Security Analyst

Placements24; Randburg; Hybrid; ZAR 700,000 - 900,000; Full time

Benefits offered by this job

Home office equipment stipend

Advanced cybersecurity training and 1:

Flexible working hours

Job summary

Placements24 is seeking a Senior Network Security Analyst to join a remote cybersecurity team. You will protect a vast network, lead threat detection, incident response, and vulnerability management across all layers, leveraging SIEM, IDS/IPS, and VPNs.

This role offers remote collaboration and exposure to advanced security technologies. The position emphasizes strong analytical skills, clear communication, and a proactive approach to safeguarding services while working with cross-functional IT

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field.
• Minimum of 6 years of experience in network security analysis and incident response.
• Deep understanding of network protocols, TCP/IP, and common attack vectors.
• Hands-on experience with SIEM tools, IDS/IPS, firewalls, and endpoint security solutions.
• Proficiency in vulnerability scanning and penetration testing methodologies.
• Security certifications such as CISSP, CEH, GIAC, or CompTIA Security+ desirable.
• Excellent analytical, problem‑solving, and investigative skills.
• Strong written and verbal communication, with remote team experience.

Responsibilities

• Monitor network traffic and security logs for threats using SIEM and security tools.
• Investigate, analyze, and respond to security incidents promptly.
• Conduct vulnerability assessments and penetration testing across the network.
• Implement and maintain security controls, firewalls, IDS/IPS, and VPNs.
• Develop and update security policies and procedures.
• Provide security awareness training to internal teams.
• Stay current with cybersecurity threats and trends.
• Collaborate with network engineering to embed security best practices.

Skills

Network security

Incident response

Threat detection

Communication

Education

Bachelor's degree in Cybersecurity

Tools

SIEM tools

IDS/IPS

Firewalls

Endpoint security

Vulnerability scanners

Penetration testing

Job description

About the Role

Our client, a leading telecommunications innovator, is seeking a highly skilled and vigilant Senior Network Security Analyst to join their fully remote cybersecurity team. In this critical role, you will be responsible for protecting our client's vast network infrastructure from a constantly evolving threat landscape. You will play a key part in threat detection, incident response, vulnerability management, and the implementation of robust security measures across all network layers. This remote‑first position offers the opportunity to work with advanced security technologies and contribute to safeguarding sensitive data and ensuring the continuous operation of our client's services, regardless of geographical location, serving operations that may originate near Randburg. If you are passionate about cybersecurity and thrive in a remote collaborative environment, this is the role for you.

Key Responsibilities

• Monitor network traffic and security logs for potential threats and anomalies using SIEM and other security tools.
• Investigate, analyze, and respond to security incidents in a timely and effective manner.
• Conduct vulnerability assessments and penetration testing across the network infrastructure.
• Implement and maintain security controls, firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs.
• Develop and update security policies, procedures, and guidelines.
• Provide security awareness training and guidance to internal teams.
• Stay current with the latest cybersecurity threats, trends, and technologies.
• Collaborate with network engineering and IT teams to ensure security best practices are integrated into all aspects of the network.
• Participate in on‑call rotation for incident response.

Requirements

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related field.
• Minimum of 6 years of experience in network security analysis and incident response.
• Deep understanding of network protocols, TCP/IP, and common attack vectors.
• Hands‑on experience with SIEM tools, IDS/IPS, firewalls, and endpoint security solutions.
• Proficiency in vulnerability scanning and penetration testing methodologies.
• Relevant security certifications such as CISSP, CEH, GIAC, or CompTIA Security+ are highly desirable.
• Excellent analytical, problem‑solving, and investigative skills.
• Strong written and verbal communication skills, with the ability to articulate complex security issues.
• Experience working effectively in a remote team environment.

Benefits

• Highly competitive remote salary.
• Comprehensive health, dental, and vision insurance.
• Home office equipment stipend.
• Opportunities for advanced cybersecurity training and certifications.
• Flexible working hours and remote work flexibility.
• Contribution to professional development and online learning platforms.
• Be a vital part of a cutting‑edge remote security operations center.