Senior Network Engineer

Ingrain; Gauteng; On-site; ZAR 600,000 - 1,000,000; Full time

Job summary

Ingrain in Gauteng is seeking an experienced Network and Infrastructure leader to oversee reliable network services across multiple sites. You will manage LAN/WAN, SD-WAN, Wi-Fi, firewalls, VPNs and internet environments, ensuring performance, security, and compliance.

The role includes incident resolution, change management, vendor governance, and driving automation to modernise our infrastructure. A focus on cost control and continuous improvement is essential.

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
• 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
• Maintain proactive monitoring and alerting systems
• Manage infrastructure reporting and dashboards
• Oversee service providers and SLA performance
• Coordinate change management and documentation
• Lead network infrastructure projects
• Drive automation and efficiency improvements
• Support technology modernisation initiatives
• Evaluate and implement emerging technologies
• Manage vendor relationships and contracts
• Monitor supplier performance against SLAs
• Support budgeting and cost optimisation
• Ensure governance and procurement compliance

Job description

Key Responsibilities

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