Network Administrator - Enterprise Networks

Placements24; Polokwane; On-site; ZAR 360,000 - 600,000; Full time

Benefits offered by this job

Health benefits

Retirement plan

Professional development

Stable organization

Team environment

Paid holidays

Overtime

Job summary

Placements24 advertises an experienced Network Administrator role in Polokwane within a large enterprise. You will manage and secure extensive network infrastructure, handle configuration, monitoring, and problem resolution to keep day-to-day operations running smoothly.

You will work with Cisco/Juniper gear, manage IP services, and support server integration while ensuring compliance with policies. A hands-on, collaborative approach is required.

Qualifications

• 3-5 years of network administration experience.
• Bachelor's degree or equivalent in IT/CS.
• Experience with Cisco, Juniper or similar devices.
• Knowledge of TCP/IP, OSPF, BGP, VLANs and VPNs.
• CCNA/CCNP or Network+ certification desirable.
• Experience with SolarWinds or PRTG monitoring.
• Polokwane region experience is a plus.

Responsibilities

• Install, configure, and maintain network hardware like routers, switches, firewalls, and APs.
• Monitor performance and availability; troubleshoot issues.
• Implement security measures to protect against threats.
• Manage IP addressing, DHCP and DNS services.
• Document configurations and diagrams.
• Plan upgrades during maintenance windows.
• Support server infrastructure and deployments.
• Ensure compliance with policies and standards.
• Mentor junior IT staff.

Skills

Network administration

Network protocols

Troubleshooting

Communication skills

Education

Bachelor's degree in IT/CS

Tools

SolarWinds

PRTG

Windows Server

Active Directory

Job description

About the Role

Our client, a large enterprise organization, is seeking an experienced Network Administrator to manage and maintain their extensive network infrastructure in Polokwane. This role is crucial for ensuring the reliable and secure operation of the company's network, supporting day-to-day business activities. You will be responsible for network configuration, troubleshooting, performance monitoring, and implementing network security measures. The ideal candidate has a solid understanding of network protocols, hardware, and best practices, with a hands‑on approach to problem‑solving. Join our team in Polokwane and contribute to the backbone of our organization's connectivity.

Key Responsibilities

• Install, configure, and maintain network hardware, including routers, switches, firewalls, and wireless access points.
• Monitor network performance and availability, identifying and resolving issues proactively.
• Implement and manage network security measures to protect against unauthorized access and threats.
• Troubleshoot network connectivity and performance problems for end-users and systems.
• Manage IP addressing, DHCP, and DNS services.
• Develop and maintain network documentation, including diagrams and configurations.
• Plan and execute network upgrades and changes during scheduled maintenance windows.
• Collaborate with IT teams to support server infrastructure and application deployments.
• Ensure network compliance with company policies and industry standards.
• Provide technical support and guidance to junior IT staff.

Requirements

• Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent experience.
• 3-5 years of experience in network administration.
• Proficiency with Cisco, Juniper, or similar enterprise-grade network equipment.
• Strong understanding of TCP/IP, OSPF, BGP, VLANs, VPNs, and other routing/switching protocols.
• Experience with network security principles, firewalls, and intrusion detection systems.
• Familiarity with network monitoring tools (e.g., SolarWinds, PRTG).
• Experience with Windows Server and Active Directory is a plus.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and interpersonal skills.
• Relevant certifications like CCNA, CCNP, or Network+ are highly desirable.
• Ability to work independently and as part of a team.
• Experience within the Polokwane region is an advantage.

Benefits

• Competitive salary based on experience.
• Comprehensive health and retirement benefits.
• Opportunities for professional development and certifications.
• Work with a stable and reputable organization.
• Supportive team environment in Polokwane.
• Paid holidays and vacation leave.
• Potential for overtime compensation.
• Access to modern network technologies.