Kubernetes Network Engineer

Role & responsibilities

Responsibilities:

• Work with the client to define infrastructure requirements to prepare tenants to support target applications which will be migrated on to Red Hat OpenShift/OpenStack and Wind River IaaS Platform from VMWare. 
• Develop High- and Low-level designs for tenant designs along with the assigned internal Architect 
• Work with Red Hat Virtualization (RHV) and container platforms (OpenShift/Kubernetes)team for cloud-native deployments  
• Work with Windriver IaaS platform for cloud deployments
• Work with Cisco and Arista Networking setup to provision tenant networking.
• Ensure any infrastructure requirements demanded by the workloads are catered for by the infrastructure. 
• Liaise with stakeholders and attend remote workshops with application owners and teams, and application vendors 
• Liaise with the client operations teams to align on tenant design and build activities. 
• Create methods of procedure to build out tenants to specification and ensure they are ready for use, following testing and acceptance criteria.  
• Ensure alignment with automation framework for integration and zero touch provisioning at scale. 

What we are looking for,

• Experience designing and building on-prem Kubernetes environments, preferably on Red Hat and Windriver platforms. Deep expertise of large-scale Kubernetes architecture 
• Deep experience of Baremetal Kubernetes Networking, pod networking and a deep understanding of NAT (including source natting) 
• Experience with Calico, Cilium, Multus, MetalLb and Istio. 
• Experience with DNS in virtualised environments 
• Highly skilled with load balancing in a Kubernetes environment, and traffic routing and manipulation, understanding ingress and egress flows 
• Knowledge of traffic policy and enforcement techniques 
• Experience directly of working with on-prem Redhat / Windriver Kubernetes platforms 
• Experience directly in preparing OpenShift / OpenStack tenants ready for application onboarding 
• Experience using Prometheus and Grafana for monitoring, and integrations required at a tenant level  
• Experience working in a Telco environment. 
• Experience with SRIOV and DPDk are required. 
• Troubleshooting with tcpdump, iptables, eBPF 
• Expert in TCP/IP, VLANs, routing, and load balancing, knowledge of Cisco VXLAN (including NDFC) and Arista networking.  Experience integrating clusters with network underlay. 
• Experience building High- and Low-level design documents 
• Collaborate and respect the needs of a wide range of stakeholders 
• Have a flexible and can do’ attitude with a strong sense of initiative with the ability to learn fast and deal calmly with situations under pressure 
• Have strong organisation and planning skills to manage multiple tasks so that promises are delivered