Senior Network Architect — Hybrid, Core Infrastructure

Placements24

Johannesburg

Hybrid

ZAR 900,000 - 1,500,000

Full time

2 days ago

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Benefits offered by this job

Health insurance

Performance-based bonuses

Professional development

Hybrid work arrangement

Job summary

Placements24 is seeking a Senior Network Infrastructure Engineer for a leading telecommunications provider in Johannesburg. You will design, implement, and maintain core network infrastructure across South Africa, driving reliability and performance.

The ideal candidate has 7+ years in network engineering with Cisco/Juniper expertise, strong TCP/IP/BGP/OSPF/MPLS knowledge, VPN/IDS/IPS experience, and relevant certifications. This is a hybrid role based in Gauteng.

Qualifications

Bachelor's degree in Computer Science, Information Technology, or a related field.
Minimum of 7 years of experience in network engineering and infrastructure management within the telecommunications industry.
Proven expertise in Cisco, Juniper, or similar enterprise-grade networking equipment.
Strong understanding of TCP/IP, BGP, OSPF, MPLS, and VLANs.
Experience with network security protocols and tools (e.g., VPN, IDS/IPS).
Proficiency in network monitoring and analysis tools (e.g., SolarWinds, Wireshark).
Excellent problem-solving and analytical skills.
Strong communication and interpersonal skills.
Relevant certifications such as CCNA, CCNP, or JNCIE are highly desirable.

Responsibilities

Design, implement, and manage complex network infrastructures, including routing, switching, and firewall configurations.
Oversee the deployment and maintenance of WAN/LAN networks, ensuring optimal performance and reliability.
Develop and execute network upgrade and expansion plans to meet growing demands.
Troubleshoot and resolve critical network issues, minimizing downtime and impact on services.
Collaborate with cross-functional teams to integrate network solutions with other IT systems.
Develop and enforce network security policies and procedures to protect company assets.
Monitor network performance using advanced tools and implement proactive optimization measures.
Mentor junior network engineers and provide technical guidance.
Stay abreast of the latest networking technologies and industry best practices.
Document network configurations, procedures, and incidents thoroughly.