Network Security Architect Job Vacancy in Mthatha, South Africa – Telecommunications & Services

MTN Group; Mthatha; On-site; ZAR 800,000 - 1,200,000; Full time

Benefits offered by this job

Medical and dental coverage

Retirement plan

Paid leave & flexible working

Dev budget & certifications

Employee assistance program

Job summary

MTN Group in South Africa is seeking a Network Security Architect to lead the design and implementation of MTN’s network security architecture across the Eastern Cape region. You will define standards, evaluate threats, and integrate cutting-edge security technologies into the telecom backbone.

The role requires 8+ years in network security, a Bachelor’s in CS or InfoSec, and hands-on experience with Palo Alto, Cisco ASA, Fortinet, and SIEM.

Qualifications

• 8+ years of experience in network security architecture.
• Bachelor’s degree in Computer Science, Information Security, or related field.
• Experience in telecom environments preferred.
• Knowledge of ISO 27001, NIST, and POPIA.

Responsibilities

• Develop and maintain a network security architecture blueprint aligned with MTN objectives.
• Conduct risk assessments, threat modeling, and vulnerability analyses for core network components.
• Design and implement security controls (firewalls, IDS/IPS, zero-trust).
• Collaborate with network engineers, operations, and compliance to integrate security without impacting service quality.
• Lead incident response planning, forensics, and post-incident reviews.
• Stay updated on threats and standards; ensure regulatory compliance.
• Provide mentorship to junior analysts and engineers.
• Prepare detailed security architecture documents and executive briefs.

Skills

Network security protocols

Encryption

VPN technologies

Secure routing

Python scripting

PowerShell scripting

Analytical thinking

Communication skills

Certifications desirable

Education

Bachelor's degree in CS/InfoSec

Tools

Palo Alto Networks

Cisco ASA

Fortinet

SIEM

Job description

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

Company Overview

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.

Job Overview

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.

Key Responsibilities

• 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.

Required Skills

• 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, PowerShell) 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.

Education

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.

Experience

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.

Salary

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 total compensation package.

Benefits

• Comprehensive medical and dental coverage.
• Retirement savings plan with employer contributions.
• Generous paid leave and flexible working arrangements.
• Professional development budget and certification support.
• Employee assistance program and wellness initiatives.

Training

• Access to MTN’s internal learning platform for continuous upskilling.
• Sponsored attendance at leading security conferences and workshops.
• Mentorship programs with senior security architects.
• On‑the‑job training for emerging security technologies.

Working Environment

MTN provides a collaborative, inclusive, and technology‑driven workplace. Employees benefit from modern office facilities in Mthatha, state‑of‑the‑art labs, and a culture that encourages innovation, diversity, and work‑life balance. The role may involve occasional travel to other MTN sites for project coordination and stakeholder engagement.

Equal Opportunity Statement

MTN Group is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of race, gender, disability, religion, or sexual orientation. All qualified applicants will receive consideration for employment without regard to any protected characteristic.