Network Administrator

Boardroom Appointments; Gauteng; On-site; ZAR 480,000 - 720,000; Full time

Job summary

Boardroom Appointments seeks an experienced Network Administrator to manage day-to-day enterprise network operations across multiple sites in Roodepoort, Gauteng. This is a full-time, on-site role under a 12-month fixed-term contract.

Required qualifications include a National Diploma or Bachelor’s in IT, CCNP, and CompTIA Network+. Proficiency in LAN/WAN, firewalls, VPNs, and security is essential; ITIL Foundation is a plus.

Qualifications

• Matric or equivalent
• National Diploma or Bachelor's Degree in Information Technology
• CCNP certification or equivalent professional certification
• CompTIA Network+ certification
• Fortinet or Palo Alto firewall-related certifications
• ITIL Foundation certification

Responsibilities

• Operate day-to-day administration of network infrastructure across multiple sites.
• Maintain and oversee network patch rooms and related areas.
• Monitor network performance and availability to meet SLAs.
• Coordinate with vendors and third-party providers for incident resolution and upgrades.
• Document network configurations, SOPs, and architecture diagrams.

Skills

Network administration

Enterprise networking

Network security

Troubleshooting

Documentation

Vendor coordination

Communication

Education

National Diploma or Bachelor's Degree in Information Technology

CCNP

CompTIA Network+

ITIL Foundation

Tools

Fortinet/Palo Alto firewall certifications

Job description

Location: Roodepoort, Gauteng (Full-time On-site)
Contract Type: Fixed-Term Contract (Initial 12 Months)

Are you an experienced Network Administrator with a passion for ensuring reliable, secure, and high-performing enterprise network infrastructure?

Our client is seeking a Network Administrator to oversee the day-to-day operational administration, availability, performance, and documentation of network infrastructure across multiple sites. This role is responsible for ensuring stable, secure, and efficient network services while meeting agreed service levels and supporting business operations.

Key Responsibilities

Network Infrastructure Operations

• Perform day-to-day operational administration of network infrastructure, including:
  • Routers, switches, and wireless infrastructure.
  • Internet access services.
  • Wide Area Network (WAN) infrastructure and services.
  • Local Area Network (LAN) infrastructure and services.
• Manage and support:
  • DMZ, firewall, VPN, APN, and proxy infrastructure and services.
  • Fixed infrastructure, including fibre and Ethernet cabling.
• Maintain and oversee network patch rooms and network-related areas across all sites.

Performance & Monitoring

• Ensure system performance and availability targets are met in line with agreed Service Level Agreements (SLAs).
• Monitor network infrastructure through the outsourced Network Operations Centre (NOC).
• Proactively identify and resolve network performance, availability, and security issues.
• Work closely with third-party service providers to ensure efficient operations and service delivery.
• Coordinate with vendors for incident resolution, maintenance, and upgrades.
• Liaise daily with users and resolve network-related calls and incidents.

Documentation & Standards

• Create, maintain, and update:
  • Network architecture diagrams.
  • Logical network diagrams within the assigned area of responsibility.
  • Standard Operating Procedures (SOPs).
  • Accurate and up-to-date documentation for network configurations and processes.

Projects & Continuous Improvement

• Manage and participate in small network-related projects within the area of responsibility.
• Assist with network upgrades, changes, and optimisation initiatives.
• Identify opportunities to improve network reliability, performance, and operational efficiency.

Qualifications

• Matric.
• National Diploma or Bachelor's Degree in Information Technology.
• Cisco Certified Network Professional (CCNP).
• CompTIA Network+.
• Fortinet, Palo Alto, or other firewall-related certifications.
• ITIL Foundation.

Technical Skills

• Strong knowledge of enterprise networking (LAN, WAN, and wireless).
• Understanding of firewalls, VPNs, DMZs, and network security best practices.
• Experience working with ISPs and managed service providers.
• Strong troubleshooting and problem-solving skills.
• Ability to document technical environments clearly and accurately.
• Good communication skills with both technical and non-technical users.

What's on Offer

• Full-time on-site role based in Roodepoort.
• Opportunity to support and maintain enterprise network infrastructure across multiple sites.
• Exposure to a complex networking environment with a focus on operational excellence, security, and continuous improvement.
• Collaborative environment working alongside internal teams and third-party service providers.

If you are an experienced Network Administrator with a passion for enterprise networking and delivering reliable, secure infrastructure, we'd love to hear from you.