Senior Kubernetes Cluster Administrator / USA

At Altoros, we drive digital transformation to the highest levels of excellence and performance; our team of experts and cloud partners are the key to our success story.

Training, enablement, and mentorship are at the core of our business. This focus forms the cornerstone of our customer engagement and drives employee development. By joining our team, you will continuously evolve and strengthen your skills with mentorship from your peers and create that same learning experience with Fortune 500 and Global 2000 customers.

Key Responsibilities

• Manage and maintain Kubernetes clusters and underlying bare metal infrastructure.
• Provide support for production and non-production Kubernetes environments.
• Implement and manage CI/CD pipelines using Argo, Flux, and Helm tools.
• Work on multi-tenant and single-tenant Kubernetes clusters, ensuring isolation and implementing RBAC.
• Proactively monitor the health of the clusters and take action as needed.
• Implement and maintain storage solutions using Portworx.
• Troubleshoot complex network issues.
• Use ClusterAPI for cluster lifecycle management.
• Regularly review, recommend, and implement improvements to our operations.
• Collaborate with development teams to ensure the platform supports the needs of our applications.
• Develop and maintain system documentation and run books.
• Provide on-call support as part of a rotation.

Requirements

• Proven experience as a Kubernetes Administrator or similar role in a large-scale production environment.
• Strong knowledge of the Rancher Kubernetes Engine (RKE).
• Experience with bare metal infrastructure management and related technologies.
• Proficiency in managing CI/CD pipelines and Helm package deployments.
• Familiarity with Canal CNI and NetScalers for networking in Kubernetes.
• Understanding of Kubernetes multi-tenancy models and RBAC.

Nice-to-Have

• Experience with Portworx for Kubernetes storage.
• Familiarity with GitOps workflows and tools, such as Argo and Flux.
• Hands-on experience with Kubernetes operators.
• Familiarity with ClusterAPI for cluster lifecycle management.
• Relevant professional certifications like CKA (Certified Kubernetes Administrator), CKS (Certified Kubernetes Security Specialist), or CKAD (Certified Kubernetes Application Developer).

Benefits

• Remote work
• Competitive salary
• 3% annual contribution to your 401k
• Silver-tier health insurance, vision, and dental plan for you and your dependent family members
• Unlimited PTO
• Flexible working hours
• We fully cover all relevant certifications and training
• A friendly, close-knit team