Senior network engineer

Overview
Penta Consulting are a technology service provider and leading outsourced partner helping to deliver professional and managed solutions across EMEA.
We are looking for an experienced Senior Network Engineer to join our high‑performance infrastructure team in Johannesburg. This onsite role is ideal for someone with deep expertise in Cisco ACI and advanced Cisco networking technologies who thrives in complex enterprise environments and enjoys building robust, scalable network solutions. Key Responsibilities Architect, deploy, and maintain Cisco ACI fabrics and policies Manage and optimise enterprise‑grade Cisco network infrastructure (Nexus, Catalyst, UCS, etc.)
Lead troubleshooting and root‑cause analysis for complex network issues
Implement network automation and best‑practice configurations
Collaborate with security, cloud, and infrastructure teams to ensure seamless operations
Produce high‑quality documentation, diagrams, and operational ...