Remote Senior Network Administrator - Security & Cloud

Placements24; Soweto; Hybrid; ZAR 600,000 - 1,200,000; Full time

Benefits offered by this job

Competitive salary

Fully remote

Health insurance

Retirement plan matching

Paid time off

Professional development

Annual bonuses

Job summary

Placements24 is seeking a Remote Senior Network Administrator to join its IT team. This fully remote role allows you to design, deploy, and maintain a robust network infrastructure across South Africa, ensuring high availability, security, and performance.

The ideal candidate has 5–7 years of experience, strong TCP/IP, DNS, DHCP, OSPF/BGP, and hands-on security know-how. You will monitor networks, implement security controls, and guide junior staff from a remote setting.

Qualifications

• Bachelor's degree in CS/IT or equivalent work experience.
• 5–7 years in network administration and management.
• Strong knowledge of TCP/IP, DNS, DHCP, OSPF, and BGP.
• Experience with firewalls, VPNs, IDS/IPS, and network monitoring tools.
• Ability to work remotely and communicate effectively in a team.

Responsibilities

• Design, deploy, and manage LANs, WANs, and other networks.
• Monitor performance and troubleshoot to minimize downtime.
• Implement and maintain network security measures.
• Perform maintenance, upgrades, and patches.
• Develop network diagrams, configurations, and procedures.
• Plan capacity and performance tuning.
• Provide guidance to IT staff and end-users on network issues.
• Evaluate new hardware, software, and technologies.
• Manage service providers and vendor relationships.
• Participate in disaster recovery planning and testing.

Skills

TCP/IP

DNS

DHCP

OSPF/BGP

Switching

Network security

Monitoring tools

Cloud networking

CCNA/CCNP/Network+

IDS/IPS

Problem solving

Remote teamwork

Education

Bachelor's in CS/IT or equivalent

Tools

SolarWinds

PRTG

Nagios

Job description

Placements24 is seeking a Remote Senior Network Administrator to join its IT team. This fully remote role allows you to design, deploy, and maintain a robust network infrastructure across South Africa, ensuring high availability, security, and performance.

The ideal candidate has 5–7 years of experience, strong TCP/IP, DNS, DHCP, OSPF/BGP, and hands-on security know-how. You will monitor networks, implement security controls, and guide junior staff from a remote setting.