Network Security Analyst - Telecom Infrastructure

Placements24; Benoni; Hybrid; ZAR 650,000 - 900,000; Full time

Benefits offered by this job

Fully remote work

Health, dental, and vision insurance

Retirement savings plan with company 1

Professional development & training

Paid time off and holidays

Job summary

Placements24 is seeking a vigilant Network Security Analyst to join the security team for a fully remote role. You will monitor, analyze, and respond to security incidents protecting critical telecom infrastructure and customer data while collaborating with IT and network teams across locations, including Benoni operations.

The ideal candidate has 3–4 years in network security, strong understanding of TCP/IP, HTTP, DNS, and hands-on SIEM/IDS/IPS experience.

Qualifications

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology or related field.
• 3–4 years experience in network security analysis, incident response, or security operations.
• Strong understanding of networking protocols (TCP/IP, HTTP, DNS) and security concepts.
• Proficiency with SIEM, IDS/IPS, firewalls, and vulnerability scanners; incident response frameworks.

Responsibilities

• Monitor network traffic and security logs for suspicious activities and breaches using SIEM and other tools.
• Investigate security alerts, perform incident response, and implement containment strategies.
• Conduct vulnerability assessments and penetration testing to identify weaknesses.
• Develop and maintain security policies, procedures, and best practices.
• Configure and manage security devices such as firewalls, IDS/IPS, and VPNs.
• Stay current with cybersecurity threats and mitigation techniques.
• Provide security awareness training to staff.
• Collaborate with IT and network teams to implement controls.
• Assist in disaster recovery and business continuity planning.
• Generate reports on security posture and incident trends.

Skills

Network security analysis

Incident response

Security monitoring

Threat detection

VPNs

Firewall management

Education

Bachelor's degree in Computer Science / Cybersecurity / IT

Tools

SIEM (Splunk, LogRhythm)

IDS/IPS

Firewalls

Vulnerability scanners

Job description

About the Role

Our client, a prominent telecommunications service provider, is seeking a vigilant and skilled Network Security Analyst to join their dedicated security team. This role is fully remote, allowing you to contribute to the protection of our client's critical infrastructure from cyber threats, wherever you are based. You will be responsible for monitoring, analyzing, and responding to security incidents, ensuring the integrity and confidentiality of sensitive network data and customer information. This is an excellent opportunity for a security-focused professional to play a crucial role in safeguarding the company's digital assets and services, including those supporting operations in Benoni .

Key Responsibilities

• Monitor network traffic and security logs for suspicious activities and potential breaches using SIEM and other security tools.
• Investigate security alerts, perform incident response, and implement containment and eradication strategies.
• Conduct vulnerability assessments and penetration testing to identify security weaknesses.
• Develop and maintain security policies, procedures, and best practices.
• Configure and manage security devices such as firewalls, IDS/IPS systems, and VPNs.
• Stay current with the latest cybersecurity threats, vulnerabilities, and mitigation techniques.
• Provide security awareness training and guidance to internal staff.
• Collaborate with IT and network teams to implement security controls and solutions.
• Assist in the development and maintenance of disaster recovery and business continuity plans.
• Generate regular reports on security posture, incident trends, and compliance status.

Requirements

• A Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• A minimum of 3-4 years of experience in network security analysis, incident response, or security operations.
• Strong understanding of networking protocols (TCP/IP, HTTP, DNS) and security concepts.
• Proficiency with security tools such as SIEM (e.g., Splunk, LogRhythm), IDS/IPS, firewalls, and vulnerability scanners.
• Experience with incident response frameworks and methodologies.
• Knowledge of common attack vectors and mitigation techniques.
• Relevant security certifications such as CompTIA Security+, CEH, CISSP are highly desirable.
• Excellent analytical and problem-solving skills, with a keen eye for detail.
• Strong written and verbal communication skills, with the ability to effectively document and report findings.
• Ability to work independently and manage tasks efficiently in a remote environment.
• Familiarity with telecommunications network security specific challenges is a plus.

Benefits

• Fully remote work arrangement offering excellent flexibility and work-life balance.
• Competitive annual salary package.
• Comprehensive health, dental, and vision insurance.
• Retirement savings plan with company matching.
• Opportunities for professional development, certifications, and advanced training.
• Exposure to diverse and challenging security scenarios in the telecom industry.
• A collaborative and supportive virtual team environment.
• Generous paid time off and company holidays.