Technical Lead / Manager, PulsePoint

• You will be required to work East Coast U.S. hours 9am-6pm EST, same as the rest of the K8s team
• Minimum 10 years of relevant experience
• Minimum 3 years of management experience
• Thorough understanding of Linux (we use CentOS/Rocky)
• Advanced knowledge of K8s and its ecosystem:
• Extensive hands-on experience deploying and managing Kubernetes clusters on bare metal servers in production environments
• Immaculate knowledge of best practices for architecting cross-datacenter Kubernetes clusters running on-premise with automated management using kubeadm
• Bare metal server configuration optimization know-how for Kubernetes workloads, including networking, storage and security considerations
• Kubelet and CRI tuning in accordance with best practices, including but not limited to NUMA and GPU optimization
• Deep knowledge of Kubernetes internals, including etcd, container network interfaces and container runtimes
• Thorough understanding of PKI certificates for all components (ability to manually troubleshoot and solve client, server, and control-plane certificate issues within Kubernetes with zero downtime)
• Vast experience in the development of custom Kubernetes operators and autoscalers, as well as tailored ingress/egress controllers, custom resource definitions
• Fluency in GitOps automation tools (Flux v1/v2), comprehensive knowledge of Helm and Kustomize controllers
• Ability to manage BGP configuration, mastery in kube-router and GoBGP, as well as MetalLB
• Understanding of the most intricate details in rook/ceph implementation for Kubernetes
• Profound knowledge of docker (docker-shim), containerd and runc internals at the kernel level
• Deep understanding of Puppet configuration management toolset (experience with Chef, CFEngine or Salt also works)
• Experience administering NoSQL databases (Redis, ES)
• Experience with scalable infrastructure monitoring solutions such as Icinga, Prometheus, ELK
• Strong scripting and automation skills using languages like Python, Ruby, Java, or Go
• Advanced understanding of networking concepts (TCP/IP stack, BGP, DNS, CDN, load balancing)

Desirable

• As a Tech Lead of the SRE team overseeing Kubernetes, you will be challenged, expected to grow your technical knowledge, challenge your fellow team members, and they will challenge you back
• Lead a team of SREs responsible for Kubernetes infrastructure to achieve their personal and shared goals, thrive in their roles, as well as spearheading the engineering efforts by your own example
• Ensure maximum availability, reliability, and scalability of our multi-datacenter hybrid Linux environments (10 clusters, 1000+ nodes, 20k+ pods, 1mil+ qps)
• Performance and resilience testing. This may include reviewing configuration, software choices/versions, hardware specs, etc
• Advance our technology stack with innovative ideas and new creative solutions
• Participate in capacity management of core systems and services, application analysis, performance, and security tuning
• Create strategies for long-term permanent fixes to critical production incidents
• Maintain documentation, build tooling, and create alerts to both identify and address infrastructure reliability
• Proactively identify system anomalies
• Conducting post-mortems and communicating impact and remediation strategies with service owners and C-level staff