Network Infrastructure Specialist

Placements24; Soweto; Hybrid; ZAR 350,000 - 650,000; Full time

Benefits offered by this job

Fully remote work

Competitive salary

Health and wellness benefits

Professional development opportunities

Access to modern network tools

Job summary

Placements24 is seeking a Network Infrastructure Specialist to join a distributed, remote team. You’ll ensure reliability, performance, and security of routers, switches, and firewalls across a large customer base, with a focus on incident prevention and proactive maintenance.

The role requires 3–5 years in network administration, familiarity with TCP/IP, OSPF/BGP, Cisco IOS/Juniper Junos, and proficiency with monitoring tools.

Qualifications

• 3–5 years in network administration or IT infra.
• Strong TCP/IP, routing (OSPF/BGP) and switching basics.
• Experience with firewalls and IDS/IPS concepts.
• Knowledge of network monitoring tools (PRTG/Zabbix/SolarWinds).
• Familiar with Cisco IOS and Juniper Junos.
• Excellent troubleshooting and documentation skills.
• Reliable internet and dedicated remote workspace.
• CCNA or Network+ certification desirable.

Responsibilities

• Monitor network performance and preempt outages with proactive measures.
• Install, configure, and maintain network hardware and software across locations.
• Troubleshoot connectivity and performance issues efficiently.
• Implement and manage network security, including firewalls and VPNs.
• Perform updates, patches, and upgrades for security/functionality.
• Maintain detailed network diagrams, configurations, and inventory.
• Respond to alerts and escalate complex issues to senior engineers.
• Collaborate with teams on network-related projects and initiatives.
• Ensure adherence to best practices in network management and security.
• Provide technical support to internal users and queries.

Skills

TCP/IP

OSPF/BGP

Network security

Network monitoring

Troubleshooting

Documentation

Remote work setup

CCNA/Network+

Tools

Cisco IOS

Juniper Junos

PRTG

Zabbix

SolarWinds

Job description

About the Role

Our client, a major telecommunications service provider, is seeking a skilled and dedicated Network Infrastructure Specialist to join their distributed team. This role offers the flexibility of remote work, allowing you to contribute to the robust operation and maintenance of our client's extensive network infrastructure from your home base. You will be responsible for ensuring the reliability, performance, and security of network components, including routers, switches, and firewalls. The ideal candidate has a solid background in network administration and support, with a keen eye for detail and a proactive approach to problem-solving. This is an excellent opportunity to advance your career in telecommunications while enjoying the benefits of remote employment. You will play a key role in maintaining seamless connectivity for a large customer base.

Key Responsibilities

• Monitor network performance and identify potential issues, implementing proactive measures to prevent outages.
• Install, configure, and maintain network hardware and software across various locations.
• Troubleshoot and resolve network connectivity and performance problems efficiently.
• Implement and manage network security measures, including firewalls and VPNs.
• Perform regular system updates, patching, and upgrades to ensure optimal security and functionality.
• Develop and maintain detailed network documentation, including diagrams, configurations, and inventory.
• Respond to network alerts and incidents, escalating complex issues to senior engineers when necessary.
• Collaborate with cross-functional teams to support network-related projects and initiatives.
• Ensure adherence to best practices in network management and security.
• Provide technical support to internal users and assist with network-related queries.

Requirements

• A minimum of 3-5 years of experience in network administration or a similar IT infrastructure role.
• Strong understanding of TCP/IP networking, routing protocols (e.g., OSPF, BGP), and switching technologies.
• Experience with network security principles and technologies, including firewalls and intrusion detection/prevention systems.
• Proficiency in using network monitoring tools (e.g., PRTG, Zabbix, SolarWinds).
• Familiarity with Cisco IOS, Juniper Junos, or other relevant network operating systems.
• Excellent troubleshooting skills and the ability to work independently.
• Strong communication and documentation skills.
• Must have a reliable internet connection and a dedicated workspace suitable for remote work.
• Relevant certifications such as CCNA or Network+ are highly desirable.
• Must be legally authorized to work in South Africa and reside within commuting distance of Soweto, Gauteng, for potential occasional on-site requirements or team meetings.

Benefits

• Fully remote work arrangement, providing excellent work-life balance.
• Competitive salary and performance-based incentives.
• Comprehensive health and wellness benefits.
• Opportunities for professional development and advanced certifications.
• Be part of a dynamic and growing telecommunications company.
• Access to modern network infrastructure and tools.
• Contribute to the stability and expansion of critical communication networks.