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Open nowFirst seen 3 days ago

Network Administrator

Boardroom Appointments3,354 open roles

Where
Roodepoort, South Africa
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Your applicationOpen nowNetwork AdministratorBoardroom Appointments · Roodepoort, South Africa

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Boardroom Appointments's own form.

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The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: first seen 3 days ago

The posting

Network Administrator

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.

Vendor & Stakeholder Management

  • 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.

Minimum Requirements

Qualifications

  • Matric.
  • National Diploma or Bachelor's Degree in Information Technology.
  • Cisco Certified Network Associate (CCNA).
  • 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

  • Initial 12-month fixed-term contract.
  • 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.

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