Senior Network Administrator - Uptime & Security Lead

Placements24; Soweto; On-site; ZAR 500,000 - 800,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Retirement benefits

Training & development

Stable work environment

Paid time off

Performance bonuses

Job summary

Placements24 is seeking an experienced Senior Network Administrator to oversee and optimize the company’s LAN, WAN, and internet connectivity from their Soweto location. The role focuses on reliability, security, and performance, with responsibilities spanning configuration, monitoring, and incident resolution to ensure high service availability.

Ideal candidates will have a strong network engineering background, hands-on experience with routers, switches, firewalls, VPNs, and IDS/IPS, and a

Qualifications

• Bachelor's degree or equivalent work experience in IT/CS.
• 5+ years of experience in network administration and support.
• Strong knowledge of TCP/IP, routing protocols (OSPF, BGP), and switching technologies; familiarity with security tools.

Responsibilities

• Administer, maintain, and upgrade network hardware and software, including routers, switches, firewalls, and servers.
• Monitor network performance, troubleshoot connectivity issues, and implement solutions to ensure optimal uptime.
• Implement and enforce network security policies, including access control, VPN management, and intrusion detection.
• Perform regular network backups and disaster recovery planning.
• Manage IP addressing, DNS, and DHCP services.
• Provide technical support to end-users regarding network-related issues and elevate problems as needed.

Skills

Network administration

TCP/IP

Routing protocols

Firewall/VPN/IDS/IPS

Network monitoring

Problem solving

Communication

Education

Bachelor's degree in IT/CS or related field

Tools

Network hardware management tools

Monitoring utilities

Job description

Placements24 is seeking an experienced Senior Network Administrator to oversee and optimize the company’s LAN, WAN, and internet connectivity from their Soweto location. The role focuses on reliability, security, and performance, with responsibilities spanning configuration, monitoring, and incident resolution to ensure high service availability.

Ideal candidates will have a strong network engineering background, hands-on experience with routers, switches, firewalls, VPNs, and IDS/IPS, and a