Infrastructure and Network Manager

Location: 

Sandton, GP, ZA, 2191

Pillar:  AECI Corporate
Pay Grade:  DU
Date Closing:  Sep 11, 2026

 

The Infrastructure and Network Manager will be responsible for the end-to-end ownership of the organization's infrastructure and network environments, which are delivered through a network of outsourced service providers. This includes ensuring the delivery, performance, observability, and cost-effectiveness of critical infrastructure and network services across multiple countries, time zones, and regulatory jurisdictions. This strategic leadership role plays a vital part in supporting hybrid and multi-cloud provisioning, ensuring robust WAN, SD-WAN, and NaaS services, and aligning infrastructure capabilities with business operations and growth. The successful candidate must also be willing to get their hands dirty and perform hands-on technical work when the situation demands it.

 

 

Roles and Responsibilities

 

    • Oversee the design, provisioning, and lifecycle management of hybrid (on-prem/cloud) infrastructure and platforms.
    • Ensure infrastructure is right-sized, secure, and scalable to meet business demand.
    • Own the performance and availability of the organization’s global WAN, SD-WAN, and NaaS environments.
    • Drive continuous optimization of network topologies and architectures across regions. Proactively follow up with suppliers and finance teams to resolve payment issues.
    • Plan capacity upgrades and failover strategies to achieve minimal downtime.
    • Continuously monitor link utilization, packet loss and latency; fine-tune configurations to eliminate bottlenecks.
    • Build, negotiate, and manage SLAs with outsourced providers.
    • Serve as the primary point of accountability for third-party infrastructure and network services.
    • Establish and enforce performance metrics, KPIs, and service quality standards.
    • Implement observability frameworks for proactive detection, monitoring, and reporting across infrastructure and networks.
    • Ensure high availability and fault tolerance of infrastructure supporting business operations.
    • Define and oversee robust asset and configuration management practices.
    • Ensure accurate inventory tracking and configuration control for infrastructure assets.
    • Monitor and control infrastructure and network spend.
    • Drive efficiency and cost transparency through FinOps-aligned practices.
    • Ensure infrastructure and network compliance with local and international regulatory requirements (ISO 27001, NIST).
    • Lead risk identification and mitigation efforts across jurisdictions.
    • Maintain network diagrams, configuration baselines and runbooks.
    • Define VLANs, routing protocols (OSPF, BGP), QoS policies and IP addressing schemes.
    • Implement firewalls (stateful, NGFW), intrusion detection/prevention (IDS/IPS) and zerotrust segmentation.

 

 

Qualifications & Experience

          

    • Bachelor’s Degree – A degree in Computer Science, Information Technology, Engineering or any related field.
    • 10+ years of experience in infrastructure and network management, with at least 5 years in a leadership or multi-country role.
    • Proven experience managing hybrid infrastructure and multi-cloud environments (e.g., AWS, Azure, Google).
    • Deep knowledge of server infrastructure, virtualization (VMware, Hyper-V), and storage systems.
    • Strong expertise in WAN, SD-WAN, and wireless and LAN models.
    • Strong grasp of Routing/switching, VPN/IPSec/MPLS, and DNS/DHCP/NTP fundamentals
    • Experience managing outsourced IT service providers and enforcing SLAs.
    • Solid background in observability tools (e.g., Datadog, ThousandEyes, Dynatrace, etc.) and asset/configuration management (e.g., CMDB, ITAM).
    • Skilled in implementing and interpreting telemetry, alerts, and dashboards.
    • Demonstrated ability to manage across global time zones and jurisdictions.
    • Familiarity with ITIL, ISO 27001, and network/infrastructure compliance standards.

 

 

Key Competencies

 

  • Strategic thinking and ability to align technology with business objectives.
  • Strong vendor management and contract negotiation skills.
  • Excellent communication and stakeholder engagement abilities.
  • High level of analytical and problem-solving skills.
  • Resilience, accountability, and decision-making under pressure.
  • Ability to lead technical teams and influence non-technical stakeholders.

 

 

AECI respects your right to privacy. Please review our privacy policy at https://investor.aeciworld.com/governance

Requisition ID:  976