Sustaining Engineer

Company Description
About Mirantis
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.

Job Description
Mirantis is looking for a talented
Sustaining Engineer with experience in Golang, Docker, Kubernetes and public clouds
to help us maintain and evolve the Containers platform. You will join the Sustaining Engineering team working on the following technologies: Mirantis Kubernetes Engine, Mirantis Secure Registry and Mirantis Container Runtime. You are a friendly, effective communicator who is inherently interested in solving complex problems and delivering a high-level of customer satisfaction with every customer interaction (via help content and tickets). You enjoy building reproducers and finding bugs. You sling code for fun. You will work closely with Knowledge Management, Engineering, and Product Management to represent the voice of the customer.

Main Responsibilities

• Become an expert in Mirantis Cloud Native Platform technologies and customer deployment environments
• Research customers' software patches requirements, design and develop features along with patch improvements in Golang for Mirantis Cloud Platform
• Create best-in-class help content and proactively perform audits for our publicly-facing knowledge management system
• Partner cross-functionally with product and solution experts to co-develop reference architecture content
• Apply advanced troubleshooting techniques (debug and diagnose) on critical, highly complex problems that span multiple layers of the technology stack
• Engage with the product engineering teams to resolve technical issues related to Docker/Kubernetes
• Build and maintain customer based reproducer environments for use by your team and other technical teams at Mirantis
• Reproduce customer issues and package bug reproducers for product engineering
• Diagnose and develop code-level fixes, apply patches, and re-package for customer test
• Drive deep technical post-mortems on behalf of customers

Qualifications

• BS degree in Computer Science, Software Engineering or equivalent practical experience
• 4+ years of combined experience in Software Development, Technical Support or Sustaining Engineering experience
• Knowledge of Go programming language MUST
• Knowledge of Kubernetes and Docker MUST
• Experience in designing and implementing REST APIs
• Familiarity with Linux distributions (RHEL, CentOS, Ubuntu, and SLES)
• Demonstrated ability to perform code-level analysis of complex issue
• Extensive experience troubleshooting remote Linux system issues

Additional Information
What does Mirantis offer you?

• Work with an established leader in the cloud infrastructure industry.
• Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies.
• Be a part of cutting-edge, open-source innovation.
• Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued.
• Receive a competitive compensation package with strong benefits plan.

We are a Leader for Container Management in G2 (#2 after AWS)

We are a Leader for Container Management in G2 (#2 after AWS)