Senior Network Engineer

Ingrain; Brakpan; On-site; ZAR 700,000 - 900,000; Full time

Job summary

Ingrain in Gauteng is seeking an Infrastructure & Network Manager to oversee network services across all sites, including LAN, WAN, SD-WAN, Wi‑Fi, firewall, VPN and internet environments.

You will monitor performance, lead incident resolution and root cause analysis, enforce security standards, manage service providers and budgets, and drive automation and modernisation initiatives.

Qualifications

• Experience in operating and securing large-scale networks across multiple sites.
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Responsibilities

• Ensure reliable, high-performing network services across all sites.
• Monitor performance, capacity, and availability.

Skills

LAN/WAN management

SD-WAN

Wi‑Fi

Firewall

VPN

Incident resolution

Performance monitoring

Education

None

Tools

Monitoring tools

Security governance

Vendor management

Job description

Key Responsibilities

• Ensure reliable, high-performing network services across all sites
• Manage LAN, WAN, SD-WAN, Wi-Fi, firewall, VPN, and internet environments
• Monitor performance, capacity, and availability
• Lead incident resolution and root cause analysis
• Maintain standardised, resilient infrastructure

Infrastructure & Network Management

• Ensure reliable, high-performing network services across all sites
• Manage LAN, WAN, SD-WAN, Wi-Fi, firewall, VPN, and internet environments
• Monitor performance, capacity, and availability
• Lead incident resolution and root cause analysis
• Maintain standardised, resilient infrastructure

Cybersecurity & Compliance

• Enforce network security standards and governance
• Manage firewalls, segmentation, and secure access
• Oversee vulnerability assessments and remediation
• Ensure audit readiness and compliance
• Support disaster recovery and business continuity

Monitoring & Service Management

• Maintain proactive monitoring and alerting systems
• Manage infrastructure reporting and dashboards
• Oversee service providers and SLA performance
• Coordinate change management and documentation

Projects & Continuous Improvement

• Lead network infrastructure projects
• Drive automation and efficiency improvements
• Support technology modernisation initiatives
• Evaluate and implement emerging technologies

Vendor & Financial Management

• Manage vendor relationships and contracts
• Monitor supplier performance against SLAs
• Support budgeting and cost optimisation
• Ensure governance and procurement compliance