Senior Network Administrator - Remote, Secure & Scalable

Placements24; LegKraal Gate; Hybrid; ZAR 700,000 - 950,000; Full time

Benefits offered by this job

Salary package

Health insurance

Paid time off

Professional development

Remote work setup

Job summary

Placements24 is seeking a Senior IT Network Administrator to design, implement, and maintain scalable network infrastructure in a fully remote capacity. The role emphasizes security, availability, and performance across LAN/WAN, with responsibility for firewalls, VPNs, and routing protocols.

The ideal candidate has 8+ years of network administration experience, strong troubleshooting skills, and hands-on Cisco/Juniper hardware expertise.

Qualifications

• 8+ years of network administration and infrastructure management.
• Deep knowledge of TCP/IP, DNS, DHCP and routing protocols (BGP, OSPF).
• Experience with firewalls, VPNs, and network monitoring tools.

Responsibilities

• Design, implement, and manage LAN/WAN and wireless infrastructure.
• Ensure network security with firewalls, IDS/IPS, and VPNs.
• Monitor performance, identify bottlenecks, and optimize reliability.
• Provide advanced troubleshooting to minimize business disruption.
• Develop and maintain network diagrams, configurations, and policies.
• Lead upgrade projects and evaluate new technologies.

Skills

Networking

Troubleshooting

Remote work

Mentoring juniors

Education

CCNA

CCNP

Tools

Cisco equipment

Juniper equipment

Job description

Placements24 is seeking a Senior IT Network Administrator to design, implement, and maintain scalable network infrastructure in a fully remote capacity. The role emphasizes security, availability, and performance across LAN/WAN, with responsibility for firewalls, VPNs, and routing protocols.

The ideal candidate has 8+ years of network administration experience, strong troubleshooting skills, and hands-on Cisco/Juniper hardware expertise.