Remote Senior Network Infrastructure Engineer

Placements24; Johannesburg; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Competitive remuneration

Generous paid time off

Learning & development opportunities

Job summary

Placements24 is seeking a Senior Network Infrastructure Engineer for a remote-first role supporting a global client base. You will design, deploy, and manage enterprise networks, including routers, switches, firewalls, and VPNs, ensuring security and high availability.

You will document architectures, troubleshoot complex issues, participate in on-call rotations, and collaborate with distributed teams to implement scalable solutions using TCP/IP, BGP, OSPF, and MPLS.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field or equivalent experience.
• Minimum 5 years in network engineering with enterprise-scale design & management.
• Strong knowledge of routing and switching protocols (TCP/IP, BGP, OSPF, MPLS).
• Experience with network security incl. VPNs, firewalls, IDS/IPS.
• Hands-on with network monitoring tools for performance analysis.

Responsibilities

• Design, deploy, and manage complex network infrastructures (routers, switches, firewalls, load balancers).
• Develop and maintain network architecture documentation.
• Troubleshoot advanced network issues with root-cause analysis.
• Implement and manage network security measures to protect against threats.
• Monitor performance, identify bottlenecks, and optimize for high availability.
• Collaborate with cross-functional teams to integrate network solutions.
• Stay updated on emerging network technologies and trends.
• Participate in on-call rotations for 24/7 support.

Skills

TCP/IP

BGP/OSPF

MPLS

Network security

VPNs & firewalls

Intrusion detection

Monitoring tools

Education

Bachelor's degree

Tools

SolarWinds

Nagios

Zabbix

Job description

Placements24 is seeking a Senior Network Infrastructure Engineer for a remote-first role supporting a global client base. You will design, deploy, and manage enterprise networks, including routers, switches, firewalls, and VPNs, ensuring security and high availability.

You will document architectures, troubleshoot complex issues, participate in on-call rotations, and collaborate with distributed teams to implement scalable solutions using TCP/IP, BGP, OSPF, and MPLS.