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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Kubernetes Platform Engineer - **Company:** Xcel Engineering - **Location:** Oak Ridge, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Kubernetes Security, Amazon Web Services, Backup Devices, Bash Shell, Border Gateway Protocol, Code Review, Computer Programming, Computer Networks, Disaster Recovery, Domain Name System (DNS), Github, IPv6, Python (Programming Language), Key Management, Network Troubleshooting, Microsoft Networking, Network Architecture, Routing, Role-Based Access Control, Ansible, Service Discovery, Service Pack, TCP/IP, Virtual Local Area Networks, Google Cloud, Connectivity Problems, Istio, Gitlab, Kubernetes, Information Technology, Iptables, Bare Metal, Linkerd (Service Mesh), Hardware Infrastructure, CIS Benchmarks, Firewall Services Module, Terraform, Golang - **Published:** July 17, 2026 - **Apply:** https://www.dice.com/job-detail/bb83d868-7be9-44c8-9a62-35cac9bcfd60 ## About the Role * Bachelor's Degree in computer science or closely related field and a minimum of 8 years as a Platforms engineer. At least 5 years of Kubernetes experience. An equivalent combination of education and experience may be considered. * The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires ship. * Typically requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or equivalent experience. * Demonstrated experience administering Kubernetes on on-premises infrastructure (K3s, RKE2, or similar bare-metal distributions). * Experience with cloud-managed Kubernetes (GKE and/or EKS). * Strong understanding of Linux networking fundamentals: iptables/nftables, routing tables, DNS, TCP/IP stack, network troubleshooting. * Experience with GitOps methodologies and tools such as ArgoCD or Flux. * Proficiency in scripting and automation: Bash, Python, Go. * Cilium CNI or equivalent production experience. * Ability to work collaboratively in a team environment and communicate technical concepts clearly. * Understanding of Kubernetes security best practices including Pod Security Standards, RBAC, and secrets management. * Google Cloud Platform (Google Cloud Platform) and/or AWS (Amazon Web Services) cloud platform experience. DESIRED QUALIFICATIONS * Go programming experience for operator maintenance and platform tooling development. * CKA (Certified Kubernetes Administrator) or CKS (Certified Kubernetes Security Specialist) certification. * Background in BGP routing protocols and network engineering concepts. * IPv6 networking experience. * Infrastructure as Code experience with Terraform or Ansible. * Experience with internal developer platform (IDP) tools such as Backstage or similar. * Experience with service mesh technologies (Istio, Linkerd). * Excellent understanding of code review and familiarity with GitHub and GitLab workflows. PHYSICAL REQUIREMENTS & ENVIRONMENTAL CONDITIONS * Inside office environment. * Working on a computer for long periods of time. * May involve long period of sitting at a desk. * The work environment is fast-paced and sometimes involves extreme deadline pressures. ## Description XCEL Engineering is seeking a qualified applicant for a Kubernetes Platform Engineer. As a Platform Engineer, you will implement, and maintain the infrastructure underpinning our on-premises Kubernetes clusters, with a strong focus on scalability, reliability, and maintainability. You will lead the technical direction of our platform engineering initiatives, evaluate and integrate key technologies, and deliver a robust internal platform that powers development across the organization., Cluster Operations & Administration * Manage the full lifecycle of Kubernetes clusters (on-premises K3s/RKE2, GKE, and EKS), including upgrades, security patching, scaling, and capacity planning * Troubleshoot cluster-level issues including control plane problems, node failures, and resource constraints * Implement and maintain cluster security hardening based on CIS benchmarks and organizational security policies * Manage etcd cluster health, backup procedures, and disaster recovery capabilities * Monitor cluster performance and optimize resource utilization across multi-tenant workloads * Coordinate with datacenter operations team for physical infrastructure changes and maintenance windows Networking & Cilium CNI * Implement, configure, and maintain Cilium CNI across on-premises and cloud Kubernetes environments, * Design and enforce network policies to achieve secure multi-tenant isolation. * Troubleshoot complex pod networking issues including DNS resolution, service discovery, and connectivity problems. * Configure and maintain BGP peering with physical network infrastructure for on-premises integration. * Work with network engineering team on firewall rules, VLANs, IPv6 networking, and network architecture. ## Related Videos - [One Platform Could Not Fit Them All](https://www.wearedevelopers.com/videos/1919-one-platform-could-not-fit-them-all) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [Retooling and refactoring - an investment in people.](https://www.wearedevelopers.com/videos/371-retooling-and-refactoring-an-investment-in-people) - [Get started with securing your cloud-native Java microservices applications](https://www.wearedevelopers.com/videos/123-get-started-with-securing-your-cloud-native-java-microservices-applications) ## Related Articles - [Learning Kubernetes made easy with KubeCampus](https://www.wearedevelopers.com/magazine/348-learning-kubernetes-made-easy-with-kubecampus) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence)