Security Analyst - Cisco

NTT Data; Johannesburg; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A leading IT services company in Johannesburg is seeking a proactive Security Analyst to enhance network and firewall security. The ideal candidate will have 2-3 years' experience with a strong focus on Palo Alto technologies and Cisco networking. Responsibilities include monitoring firewalls, conducting security assessments, and responding to incidents. Relevant certifications such as CCNA Security or CompTIA Security+ are preferred.

Qualifications

• 2-3 years of experience in IT security or network security roles.
• Strong knowledge of Palo Alto firewalls and security policies.
• Solid understanding of network protocols and security principles.

Responsibilities

• Monitor and manage firewall systems with a focus on Palo Alto technologies.
• Perform network security assessments and vulnerability scans.
• Investigate and respond to security incidents and alerts.

Skills

Palo Alto firewalls

Cisco networking

Network security

Security policies

Incident response

Education

Matric and certifications (CCNA Security, CompTIA Security+)

Tools

SIEM platforms

Job description

We are seeking a proactive and detail‑oriented Security Analyst with 2 to 3 years of experience, focused on network and firewall security. The ideal candidate will have hands‑on expertise in Palo Alto firewalls, Cisco networking, and general network security practices.

Responsibilities

• Monitor and manage firewall systems, with a focus on Palo Alto technologies.
• Perform network security assessments and vulnerability scans.
• Configure and troubleshoot Cisco routing and switching infrastructure.
• Support and maintain SD-WAN environments.
• Investigate and respond to security incidents and alerts.
• Collaborate with infrastructure and operations teams to ensure secure network architecture.
• Maintain and update security policies, procedures, and documentation.
• Assist in compliance and audit activities related to network security.
• Stay current with emerging threats and recommend mitigation strategies.

Experience

• 2-3 years of experience in IT security or network security roles.
• Strong knowledge of Palo Alto firewalls and security policies.
• Experience with Cisco networking (routing, switching, SD‑WAN).
• Solid understanding of network protocols and security principles.
• Familiarity with security monitoring tools and SIEM platforms.
• Ability to analyse logs and identify potential threats.
• Good communication and documentation skills.

Qualifications

• Matric and certifications such as CCNA Security, or CompTIA Security+.
• Experience in enterprise network environments.
• Exposure to incident response and threat intelligence.