About the role
Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy. https://www.mirantis.com/ The Technical Support Engineer is a mid-level role responsible for maintaining the reliability and performance of customer environments remotely and supporting any Mirantis Opensack/k0s layers they run along with it. The ideal candidate brings hands-on Linux administration experience, with the ability to diagnose and resolve system-level issues efficiently. A solid working knowledge of Kubernetes and Openstack is desired — including cluster operations, components workload management, and troubleshooting containerized environments. Main
Responsibilities: Proactively/Reactively troubleshoot customer environments based on Linux, OpenStack, Kubernetes, networking and other cloud technologies, detect, report and resolve issues. Alert Management. Learn and troubleshoot MOSK (Mirantis Openstack on Kubernetes) Resolve and Handle/Triage IaaS related needs in customer datacenters. Reproduce customer issues in labs where needed, confirm bug reports, provide detailed information to the development team. Work closely with the development team: discuss customer issues, suggest improvements, fix product bugs, etc. Own escalations end-to-end by routing issues to the appropriate teams, including OpenStack/ceph storage, networking, hardware, and infrastructure, and product engineering while maintaining accountability and follow-through. Participate in weekend on call rotation and holiday coverage Communicate urgently, clearly, and in detail with customers during incidents via email and remote session, providing accurate status updates and guiding them through troubleshooting and resolution Work with AI tools to increase efficiency and problem solving tasks for customers. Troubleshooting server issues- DCOPs issues, Firmware upgrading, Iso, OS, Dell, Lenovo, ST Micro Work to troubleshoot any DC networking asks/upgrades, triaging where applicable High School diploma or equivalent required, four year college degree preferred or work history equivalent (3+ years technical customer support in IaaS, Saas Technologies Knowledge of OpenStack, Neutron, kubernetes and object storage principles Strong English speaking and writing ability required. Expert Linux system administration and troubleshooting skills DCOPs experience, Firmware upgrades, Iso, OS, Dell, Lenovo, ST Micro Networking - tools / Netbox, LibraNMS, Verity, Tailscale, experience with troubleshooting network issues) - Vlans, ports, spine/leaf config, change management, Fortinet, Cisco, Juniper Python, scripting experience, automation concepts Understanding of networking concepts and protocols Alert management experience, Standard Operating Procedure generation (SOP) Change Management experience Good knowledge of virtualization solutions (libvirt, KVM, VMWare) Good knowledge of network and distributed storage solutions Preferred
