Network Security Engineer Job Vacancy in Durban, South Africa – Telecommunications & Network Security

MTN Group; Durban; On-site; ZAR 450,000 - 650,000; Full time

Benefits offered by this job

Medical and dental coverage

Retirement savings plan

Bonuses and incentives

Paid leave

Certification support

Wellness initiatives

Job summary

MTN Group, Durban, seeks a Network Security Engineer to safeguard its core telecom infrastructure. You design, implement, and manage security controls across network elements, ensuring compliance and incident readiness.

The role requires 5+ years in network security, a relevant bachelor’s degree, and hands-on experience with firewalls, VPNs, and SIEM tools. Join MTN’s security team to safeguard critical networks, collaborate across teams, and stay ahead of evolving threats with ongoing

Qualifications

• Bachelor’s degree is required in CS, Info Sec or related field.
• 5+ years of professional network security experience.
• Experience in designing and securing telecom network environments.

Responsibilities

• Design, implement, and manage security controls for core network elements.
• Conduct vulnerability assessments and risk analysis.
• Monitor security incidents with SIEM and lead investigations.
• Develop security policies and ensure regulatory compliance.
• Collaborate with engineers to embed security in deployments.

Skills

Network protocols TCP/IP MPLS BGP OSPF

Firewalls Palo Alto Fortinet

IDS/IPS

VPN technologies

Security monitoring Splunk QRadar ArcS

Security frameworks ISO27001 NIST ITU

Incident response

Communication skills

Certifications CISSP CCNP Security GIC

Education

Bachelor’s degree in Computer Science/Information Security

Tools

Palo Alto

Fortinet

Job description

Position: Network Security Engineer

Company: MTN Group

Location: Durban, South Africa

Experience: 5+ years of experience in network security, preferably in telecom environment

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

Employment Type: Full-time

Industry: Telecommunications & Network Security

Department: Network Operations & Security

Salary: R450,000 – R650,000 per annum

Vacancies: 1

Company Overview

MTN Group is a leading multinational telecommunications provider operating across Africa and the Middle East. With a strong commitment to innovation, connectivity, and digital inclusion, MTN delivers mobile, broadband, and enterprise solutions to millions of customers. As a major employer in South Africa, MTN offers dynamic career pathways, robust training programs, and a culture that values diversity, sustainability, and community impact. Joining MTN means contributing to a future‑focused organization that drives economic growth and digital transformation across the continent, making it an attractive destination for professionals seeking rewarding South Africa Jobs.

Job Overview

The Network Security Engineer will play a pivotal role in safeguarding MTN’s extensive telecommunications infrastructure against evolving cyber threats. This position involves designing, implementing, and managing security controls for core network elements, ensuring compliance with industry standards, and collaborating with cross‑functional teams to maintain a resilient and secure environment. The role supports MTN’s strategic objectives of delivering reliable, secure services to customers while upholding the highest standards of data protection and network integrity. For more information about MTN’s career opportunities, visit the main website https://southafricajobsearch.com. Additional resources and regional insights can be found at https://www.kenyajobsearch.com/.

Key Responsibilities

• Design, configure, and maintain firewalls, intrusion detection/prevention systems, and VPN solutions for the core network.
• Conduct regular vulnerability assessments, penetration testing, and risk analysis to identify and remediate security gaps.
• Monitor network traffic using SIEM tools, respond to security incidents, and lead forensic investigations.
• Develop and enforce security policies, standards, and procedures aligned with regulatory requirements.
• Collaborate with network engineers, architects, and operations teams to integrate security controls into new deployments.
• Provide technical guidance and mentorship to junior security staff and cross‑functional teams.
• Prepare detailed security reports, metrics, and dashboards for senior management.
• Stay current with emerging threats, industry best practices, and evolving telecommunications security standards.

Required Skills

• Strong knowledge of network protocols (TCP/IP, MPLS, BGP, OSPF) and telecom equipment.
• Hands‑on experience with firewalls (e.g., Palo Alto, Fortinet), IDS/IPS, and VPN technologies.
• Proficiency in security monitoring tools such as Splunk, QRadar, or ArcSight.
• Understanding of ISO 27001, NIST, and ITU security frameworks.
• Ability to perform incident response, root‑cause analysis, and remediation planning.
• Excellent problem‑solving, analytical, and communication skills.
• Certification such as CISSP, CCNP Security, or GICSP is highly desirable.
• Experience working in a large‑scale telecom environment is a strong advantage.

Education

A bachelor’s degree in Computer Science, Information Security, Telecommunications Engineering, or a related discipline is required. Advanced degrees or specialized certifications will be considered an asset and may enhance candidacy for this role.

Experience

Applicants should have a minimum of five years of professional experience in network security, with a proven track record of protecting complex telecommunications infrastructures. Experience in designing security architectures for carrier‑grade networks is essential.

Salary

The competitive remuneration package ranges from R450,000 to R650,000 per annum, reflecting the candidate’s expertise, qualifications, and market benchmarks for senior security roles in South Africa.

Benefits

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

Training

• Access to MTN’s internal learning platform for continuous skill enhancement.
• Sponsored attendance at industry conferences and security workshops.
• Mentorship programs pairing new hires with senior security architects.
• On‑the‑job training for emerging security technologies and tools.
• Opportunities for cross‑functional rotations within the network operations division.

Working Environment

MTN offers a collaborative, fast‑paced environment where innovation is encouraged and achievements are recognized. Employees work in state‑of‑the‑art facilities in Durban, with access to modern tools, flexible schedules, and a culture that promotes work‑life balance. The company’s commitment to diversity and inclusion ensures a supportive atmosphere for all team members.

Equal Opportunity Statement

MTN Group is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive workplace where all employees are valued, respected, and given the chance to thrive regardless of gender, race, disability, or background. All qualified applicants will receive consideration for employment.