Kubernetes Engineer

At Zelis, we Get Stuff Done. So, let’s get to it! A Little About Us Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. We serve more than 750 payers, including the top five national health plans, regional health plans, TPAs and millions of healthcare providers and consumers across our platform of solutions. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts – driving real, measurable results for clients. A Little About You You bring a unique blend of personality and professional expertise to your work, inspiring others with your passion and dedication. Your career is a testament to your diverse experiences, community involvement, and the valuable lessons you've learned along the way. You are more than just your resume; you are a reflection of your achievements, the knowledge you've gained, and the personal interests that shape who you are. Position Overview The Sr Kubernetes Engineer is a hands-on technical role responsible for designing, building, and operating Zelis’ Kubernetes platform(s). This role is central to our cloud modernization efforts and requires deep experience running Kubernetes in production. You will act as the technical authority for Kubernetes, directly contributing to platform architecture, security, reliability, developer experience, and arenaflex optimization. The role is expected to be highly hands-on, including implementation and operational support. The position also offers a future path into people management for those who are interested, though it may remain a primarily technical role. You will partner closely with engineering, security, and infrastructure teams to deliver a secure, scalable, and reliable Kubernetes platform. Key Responsibilities 🧠Platform Ownership & Strategy Architect and operationalize a Kubernetes platform(s) on AWS supporting multi-account, multi-region deployments aligned with AWS Well-Architected principles. Define platform capabilities including compute autoscaling, pod networking, network policies, load balancing, and storage drivers. Define paved path container standards and support consumption of those standards. Lead platform roadmap development and cross-functional alignment with architecture, security, FinOps, and product engineering. 🔠Operational Responsibilities Operating System, Kubelet, CRI & AMI Configuration: Define and own lifecycle management, patching, and performance tuning of worker nodes. Worker Node Scaling: Design and manage autoscaling groups, node pools, and lifecycle automation. VPC Configuration: Architect secure and scalable VPCs, subnets, route tables, NAT gateways, and security groups. EKS Cluster Configuration: Manage cluster-level settings including version upgrades, endpoint access, audit logging, and control plane integrations. Add-ons Management: Deploy and maintain cluster add-ons such as CoreDNS, kube-proxy, metrics server, and custom controllers. Policies & Governance: Define and enforce RBAC, network policies, pod security standards, and IAM roles for service accounts. Quotas & Budgets: Implement resource quotas, tagging strategies, and budget controls to support chargeback models and arenaflex transparency. âš™ï¸ Operational Excellence Drive standardization in tooling, automation, patching, and observability across Kubernetes clusters. Own SLAs, SLOs, incident response playbooks, and platform reliability engineering practices. 🚀 Developer Enablement Develop templates and automation to empower developers to build and run Kubernetes platform(s). Build and maintain reusable service catalog products, CDK with Python, and arenaflex/CD pipelines to support self-service infrastructure provisioning. Champion developer experience through clear interfaces, documentation, and onboarding support. 🤠Cross-Functional Collaboration Partner with architecture, security, FinOps, DevOps, and product teams to align platform capabilities with business outcomes. Influence enterprise-wide infrastructure strategy through technical leadership and thought partnership. Qualifications 10+ years of experience in cloud-native infrastructure, with deep expertise in Kubernetes (e.g., Native, arenaflex EKS and arenaflex ECS). Proven track record of designing and operating production-grade Kubernetes platforms in multi-account AWS environments. Strong proficiency in infrastructure-as-code (CDK with Python), AWS DevOps native arenaflex/CD tooling, and observability stacks (e.g. CloudWatch). Experience implementing security controls, RBAC, and compliance frameworks (e.g., CIS Benchmarks). Demonstrated ability to influence technical direction across multiple teams and domains. Preferred Experience Familiarity with GitOps workflows, and container security. Exposure to platform engineering and internal developer platforms. Experience with Azure Kubernetes Service (AKS), Azure Container Apps, Azure Container Apply To This Job