Network Engineer III

IOCO; Pretoria; On-site; ZAR 650 000 - 850 000; Full time

Job summary

A leading IT infrastructure services company in Pretoria is seeking a skilled Network Specialist to design and administer networks. The role requires at least 10 years of experience in network device configuration, strong communication abilities, and a valid driver's license. Join a team focused on delivering excellent client experiences through innovative solutions and collaboration.

Qualifications

• 10+ years of hands-on experience in network device configuration.
• Excellent communication skills in English.
• Physical capability for hardware installation.

Responsibilities

• Design and administer network architecture.
• Troubleshoot and solve network connectivity issues.
• Maintain accurate and up-to-date network documentation.

Skills

Network design

Network administration

Communication skills

Troubleshooting

Collaborative teamwork

Problem-solving

Customer interaction

Education

National Senior Certificate / Matric / N3 / Grade 12

Degree or Diploma in Information Systems / Computer Science

ITIL Foundation certification

Cisco / Juniper / HPE Network / HUAWEI Professional certification

Tools

Python

Routers

Firewalls

VPN solutions

SD-WAN solutions

Job description

We are seeking a highly skilled and experienced Network Specialist to join our team, with proven expertise in network design, administration, and architecture. The role requires strong technical proficiency in access networking technologies, routers, firewalls. Excellent communication and customer interaction abilities are required, alongside strong collaboration skills to support teamwork and achieve shared goals. The position also requires physical capability for tasks such as hardware installation and the ability to travel with a valid driver’s license and own vehicle.

What you’ll do :

• Solid background in network design, administration, implementation and architecture.
• Familiarity with access control models and network security.
• Evaluate designs to determine the most efficient and effective solution.
• Experience in selecting, design engineering, solution engineering, project engineering, integrating, and implementing multi-vendor network architecture and related technologies.
• Excellent knowledge of access networking technologies, routers firewalls, VPN, ZTNA, and SDWAN solutions, Quality of Service, subnetting, etc.
• Installing, configuring, and troubleshooting routers, firewalls, switches, and wireless (able to build configurations and solutions that conform to standards without guidance).
• Demonstrated skills in developing a technology plan including technical strategy and direction as well as the related business case for the use of that technology.
• Essential skills include expertise in network protocols, security best practices, and problem-solving.
• Maintaining accurate and up-to-date network documentation, including diagrams and configurations.
• Identifying and resolving network connectivity issues, ensuring minimal downtime and optimal performance.
• Strong root cause analyses and report writing.
• Strong routing protocol knowledge especially BGP.
• PCI-DSS and ISO 27001 knowledge.
• Python and scripting experience.
• Knowledge of cloud networking concepts.

Your expertise :

• At least 10 years of hands‑on experience in network device configuration and troubleshooting
• English - Can converse and has the necessary email skills
• Excellent Customer Interaction with clear, concise, and effective communication skills
• Effectively collaborate with the team to achieve common goals
• Identify and resolve issues effectively.

Qualifications :

• National Senior Certificate / Matric / N3 / Grade 12
• Degree or Diploma in Information systems / Computer science
• ITIL Foundation certification
• Aruba (ACSP / ACMP / ACP-Campus Access) / Fortinet NSE7 / JNCIA-Design
• Current Cisco / Juniper / HPE Network / HUAWEI Professional certification (e.g., CCNP, CCDP, JNCIP)

Other information applicable to the opportunity :

• Permanent position
• Location: Pretoria
• Physical Demands: Long sitting, Rack and stack of hardware equipment, Bending and walking
• Travel: Must have a vehicle and a valid driver’s license.

Why work for us?

If the daily grind makes you wonder if there's more to life than work, get ready to discover a professional journey that embraces excellence without compromise.

You've arrived at iOCO Infrastructure Services (iOCO IS), where we are all about delivering outstanding client experiences through sustainable, innovative IT infrastructure solutions that tackle business challenges head‑on. Here you get to partner with clients, helping them conquer their business Goliaths while they focus on scaling their empires.

At our core, we're challengers, disruptors, and innovators. We're a community of skilled professionals with an ambitious spirit dedicated to providing for our clients while finding joy in the process. Our clients are at the heart of everything we do. Their satisfaction fuels our fire and propels us forward. We're talking about brainstorming sessions that sound like TED talks and spontaneous celebrations for achievements, big and small.

iOCO is an equal opportunity employer with an obligation to achieve its own unique EE objectives in the context of Employment Equity targets. Therefore, our employment strategy gives primary preference to previously disadvantaged individuals or groups.