[Remote] Principal Customer Engineer (Openstack, Kubernetes)

Note: The job is a remote job and is open to candidates in USA. 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. The Principal Customer Engineer is a senior, customer-facing technical role dedicated to a small portfolio of Mirantis’s most strategic accounts, focusing on driving deeper product integration and technical alignment. Responsibilities • Own the technical relationship with a small number of strategic customers (typically 5–8), acting as their primary technical point of contact across MOSK, MKE, k0rdent, and the broader Mirantis portfolio • Build a deep working knowledge of each customer’s architecture, use cases, internal platform strategy, and adjacent toolchain; maintain a living technical account plan for each • Drive deeper product integration by identifying opportunities to expand Mirantis usage into new workloads, clusters, environments, and teams — and by working with the customer to remove the technical blockers that stand in the way • Lead technical alignment between the customer’s engineering and platform teams and Mirantis Product and Engineering; translate customer requirements into credible product input and translate roadmap into customer-relevant guidance • Run regular technical cadences — architecture reviews, upgrade planning sessions, roadmap briefings, and health checks — both remotely and on-site at customer locations • Partner closely with Support on high-impact cases for your accounts, alerting duties and hush severity issues, providing account context, accelerating resolution, and closing the loop on recurring issues through product and operational improvements • Advocate internally for the customer across Product, Engineering, Support, and Customer Success; ensure their voice is represented in roadmap, release, and prioritisation discussions • Collaborate with the account team — Technical Account Manager, Account Executive, and Solutions Engineer — without duplicating their remit; the boundary is clear: they own commercial, delivery, and pre-sales; you own sustained technical depth post-sale • Contribute back to internal enablement, reference architectures, and best-practice guidance so patterns learned in one account benefit the wider customer base Skills • 7+ years in a customer-facing technical role (Customer Engineer, Senior Consultant, Principal Support Engineer, SRE embedded with customers, or equivalent) • Demonstrable track record of owning the technical relationship with large enterprise customers and driving expanded adoption of a platform product • Expert-level Kubernetes operating knowledge — cluster lifecycle, networking, storage, security, multi-cluster patterns, and production troubleshooting • Strong Linux systems and networking fundamentals • Strong experience with OpenStack core services including Nova, Neutron, Cinder, Keystone, and Glance • Hands-on knowledge of Neutron networking, including OVS and OVN, VLAN and VXLAN, and SDN concepts • Experience with Cinder storage backends, including Ceph RBD and LVM • Excellent written and spoken English; able to communicate credibly with both senior technical stakeholders and hands-on engineers • Willingness to travel to customer sites as required (expected 20–30%) • Hands-on experience with MKE, k0rdent, OpenStack, or comparable enterprise container and private-cloud platforms • Familiarity with the cloud-native ecosystem: Helm, GitOps (Argo CD, Flux), observability stacks (Prometheus, Grafana, Loki), and service mesh • Experience with infrastructure-as-code and configuration management (Terraform, Ansible, Cluster API) • Exposure to enterprise security and compliance contexts (FedRAMP, PCI, regulated industries) • Prior experience operating alongside channel and GSI partners on joint accounts Benefits • Professional development and training. • Attend conferences and working groups. • Customized workstation (macOS, Windows). • A competitive compensation package with strong benefits plan and stock options. Company Overview • Mirantis develops cloud infrastructure and container management software for organizations to build, operate, and scale applications. It is a sub-organization of IREN. It was founded in 1999, and is headquartered in Campbell, California, USA, with a workforce of 501-1000 employees. Its website is http://www.mirantis.com. Company H1B Sponsorship • Mirantis has a track record of offering H1B sponsorships, with 1 in 2026, 3 in 2025, 4 in 2024, 8 in 2023, 6 in 2022, 7 in 2021, 8 in 2020. Please note that this does not guarantee sponsorship for this specific role.