Network Security Architect Job Vacancy Telecommunications & Services

Position Information

Position:
Network Security Architect

Company: MTN Group

Location:

Mthatha, South Africa

Experience:

8+ years of experience in network security architecture, preferably in telecom environments

Education:

Bachelor’s degree in Computer Science, Information Security or related field

Employment Type:

Full-time

Industry: Telecommunications & Services

Department:
Information Security

Salary: R800,000 – R1,200,000 per annum

Vacancies: 1

MTN Group is a leading multinational telecommunications company operating across Africa and the Middle East. With a strong commitment to digital inclusion, MTN delivers voice, data, and digital services to millions of customers. The company is renowned for its innovative network solutions, robust security frameworks, and a culture that fosters continuous learning and career growth. As part of its expansion strategy, MTN is investing heavily in next‑generation security architectures to protect its extensive infrastructure and customer data across South Africa.

MTN’s presence in South Africa is marked by a diverse portfolio of services ranging from mobile broadband to enterprise solutions. The organization places a high priority on safeguarding its network assets, ensuring compliance with regulatory standards, and delivering secure, reliable connectivity to both consumer and business markets. This commitment creates a dynamic environment for security professionals seeking to make a tangible impact on national digital resilience.

The Network Security Architect will lead the design, implementation, and continuous improvement of MTN’s network security architecture across the Eastern Cape region. This role is pivotal in defining security standards, evaluating emerging threats, and integrating cutting‑edge security technologies into the telecom backbone. The successful candidate will collaborate with cross‑functional teams, influence security policy, and ensure that MTN remains a trusted provider of secure communications.

• Develop and maintain a comprehensive network security architecture blueprint aligned with MTN’s strategic objectives.
• Conduct risk assessments, threat modeling, and vulnerability analyses for core network components.
• Design and implement security controls, including firewalls, intrusion detection/prevention systems, and zero‑trust frameworks.
• Collaborate with network engineers, operations, and compliance teams to integrate security solutions without impacting service quality.
• Lead incident response planning, forensic investigations, and post‑incident reviews to continuously improve defenses.
• Stay abreast of emerging cyber‑threats, industry standards (e.g., ISO 27001, NIST), and regulatory requirements such as POPIA.
• Provide technical guidance and mentorship to junior security analysts and engineers.
• Prepare detailed security architecture documentation, reports, and executive briefings.

• Deep expertise in network security protocols, encryption, VPN technologies, and secure routing.
• Hands‑on experience with security platforms such as Palo Alto Networks, Cisco ASA, Fortinet, and SIEM solutions.
• Proficiency in scripting languages (Python, Power Shell) for automation of security tasks.
• Strong analytical and problem‑solving abilities with a proactive security mindset.
• Excellent communication skills to convey complex security concepts to technical and non‑technical stakeholders.
• Relevant certifications (CISSP, CCNP Security, CEH, or equivalent) are highly desirable.

A Bachelor’s degree in Computer Science, Information Security, or a related discipline is required. Advanced degrees or specialized certifications will be considered an advantage.

Minimum of eight years of progressive experience in network security architecture, preferably within large‑scale telecommunications environments. Demonstrated experience in leading security projects and managing cross‑functional teams is essential.

The role offers a competitive salary range of R800,000 to R1,200,000 per annum, commensurate with experience and qualifications. Additional performance‑based incentives and benefits are part of the…