Network Administrator - Enterprise Infrastructure

Placements24; Randburg; On-site; ZAR 360,000 - 520,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Paid time off

Professional development

Retirement savings plan

Stable work environment

Job summary

Placements24 is seeking a skilled Network Administrator to manage and secure an enterprise network in Randburg. You will install, configure, and maintain routers, switches, firewalls, and wireless access points, ensuring stability, security, and performance of the network operations.

Responsibilities include monitoring performance, troubleshooting connectivity issues, implementing upgrades, VPNs, IDS/IPS, access controls, and maintaining thorough network documentation and diagrams.

Qualifications

• Associate's or Bachelor's degree in CS/IT or equivalent.
• 3+ years of network administration and support experience.
• Strong knowledge of TCP/IP, DNS, DHCP and device configuration.
• CCNA or Network+ certification a plus.

Responsibilities

• Install, configure, and maintain routers, switches, firewalls, and wireless access points.
• Monitor performance, identify bottlenecks, optimize traffic flow.
• Troubleshoot connectivity issues to minimize downtime.
• Implement network security measures including VPNs and IDS/IPS.
• Develop and maintain network documentation and diagrams.
• Plan and execute upgrades and expansion projects.

Skills

Network administration

TCP/IP

DNS

DHCP

Firewall management

Network monitoring

VPNs

IDS/IPS

Access controls

Documentation

Education

Bachelor's degree in CS/IT

Associate degree

Tools

CCNA certification

Network+

Job description

About the Role

Our client is seeking a skilled and dedicated Network Administrator to manage and maintain their critical enterprise network infrastructure in Randburg . This role is essential for ensuring the stability, security, and performance of the organization's network operations. You will be responsible for the day-to-day management of network devices, troubleshooting connectivity issues, and implementing network upgrades and security enhancements. This is an excellent opportunity for a networking professional looking to contribute to a robust IT environment and grow their career within a stable organization.

Key Responsibilities

• Install, configure, and maintain network hardware, including routers, switches, firewalls, and wireless access points.
• Monitor network performance, identify bottlenecks, and implement solutions to optimize traffic flow and reliability.
• Troubleshoot and resolve network connectivity issues, ensuring minimal downtime for users.
• Implement and manage network security measures, including VPNs, intrusion detection/prevention systems, and access controls.
• Develop and maintain network documentation, including diagrams, configurations, and procedures.
• Plan and execute network upgrades and expansion projects as required.

Requirements

• Associate's or Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
• 3+ years of experience in network administration and support.
• Proficiency with network protocols (TCP/IP, DNS, DHCP, etc.) and network device configuration.
• Experience with firewall management and network security best practices.
• Familiarity with network monitoring tools and performance analysis.
• Relevant certifications such as CCNA or Network+ are a plus.

Benefits

• Competitive salary and annual performance review.
• Comprehensive health, dental, and vision insurance.
• Paid time off and company holidays.
• Opportunities for professional development and training.
• A stable work environment with opportunities for career advancement in Randburg .
• Retirement savings plan.