Senior Software Engineer - Container Runtime



Montreal, Canada
Full Time
3y ago

Company Description

Mirantis helps organizations ship code faster on public and private clouds. The company provides a public cloud experience on any infrastructure from the data center to the edge. With Lens and the Mirantis Cloud Native Platform, Mirantis empowers a new breed of Kubernetes developers by removing infrastructure and operations complexity and providing one cohesive cloud experience for complete app and devops portability, a single pane of glass, and automated full-stack lifecycle management with continuous updates.

Mirantis serves many of the world’s leading enterprises, including Adobe, DocuSign, Liberty Mutual, PayPal, Reliance Jio, Societe Generale, Splunk, and Volkswagen. Learn more at

Job Description

Mirantis is adding a Senior Software Engineer to our engineering team that is building and maintaining the Mirantis Container Runtime (MCR) product. Written primarily with golang, MCR is an integral part of the Mirantis Cloud Native Platform solution. MCR allows container images to be pulled and executed on the nodes of a cloud based solution. Working closely with product, other engineering teams, and upstream open source projects you will ensure world-class innovative capabilities in Mirantis’ products.

Main Responsibilities:

  • Participate in requirement, design, planning, and retrospective meetings as an integral part of an Agile software development team.

  • Contribute to successful sprints by implementing items contributing to overall team goals.

  • Review designs, architectures, implementations, API’s, and test plans.

  • Act as a subject matter expert and evangelist within the company and broader community.

  • Integrate existing open source and commercial components into Mirantis products to provide a cohesive value-add solution to customers.

  • Be an active maintainer of Mirantis projects by managing patches to open-source projects, helping the community, reviewing submissions, and participating in design decisions.

  • Participate in product discussions, influence the roadmap, and take ownership and responsibility over new projects to make them happen.

  • Be the technical reference to external partners and in-house engineering teams, provide support by sharing knowledge and/or taking on the development effort.

  • Ensure that MCR continues to be a first-class and indispensable part of cloud based customer solutions, working seamlessly with existing systems including popular orchestrators and other industry-standard components.


  • Bachelors or Masters degree or equivalent in computer science or a related subject

  • Debugging Experience (particularly multi-process, orchestrated, distributed systems)

  • Experience in the use of containerization (Docker Engine-based containerization preferred)

  • Systems experience, including:

    • Linux networking fundamentals (routing tables, iptables, nftables)

    • Linux kernel concepts (cgroups, filesystems, chroot, etc)

    • Windows NT API knowledge an asset (specifically FileSystem, Winsock, synchronization)

    • Windows Networking Fundamentals an asset (routing, firewalling, packet handling)

  • Knowledge of networking concepts such as routing, NAT, port forwarding, and security practices

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.

Mirantis ranked in the top 50 of G2's Best IT Cloud Products of 2021!

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Onkar By: Onkar