Senior Kubernetes Network Engineer

World Wide Technology Holding Co, LLC (WWT)

Based in St. Louis, WWT works closely with industry leaders such as Cisco, VMware, NetApp, Dell EMC, HPE and several others, but also include emerging tech players. WWT employs more than 10,000 people and operates in more than 2 million square feet of state-of-the-art warehousing, distribution and integration space strategically located throughout the world. WWT ranks Glassdoors’ Best Places to Work and has been on Fortune’s 100 Best Companies to Work For list 13 years in a row!

World Wide Technology

Position: Senior Kubernetes Network Engineer

Location: Remote

Duration: 6+ Months Contract

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
• 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 and Multus
• Experience with DNS in virtualized 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.?
• 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 organization and planning skills to manage multiple tasks so that promises are delivered
• Experience deploying Kubernetes? On-prem.
• Experience with VMware (Vsphere / VSAN / NSX-T) and migrations / replatforming from VMWare into Redhat / Windriver
• For OpenShift, experience with their TNC reference architecture is a big plus
• From a networking perspective, MetalLB and service mesh (Istio) are required.
• For Storage, experience with Pure and Portworx is required.?
• For the IaaS component OpenStack is being used, both Redhat and Windriver. Experience with SRIOV and DPDk are required.
• Skilled in RHOSP, RHOSO, Satellite, Quay