Linux Kernel Engineer

San Francisco, CA

Twitter is seeking an experienced software engineer obsessed with building and running a large multi-tenant production cluster. You should love working low in the stack to find innovative ways to maximize the performance and efficiency of our critical workloads.

In this role, you will be exposed to Twitter's core infrastructure and application architectures, in addition to submerging yourself in the Linux and open source communities. You should be excited at the prospect of working with our world class engineering teams and bleeding edge technology to enable highly scalable and performant software stack for a one-of-kind system.


  • Research and develop strategies for isolating resources across our diverse multi-tenant platform

  • Optimize our platform to increase utilization while ensuring predictable performance

  • Hands-on debugging of complex systems issues in production

  • Actively work with the Linux and open source community

  • Collaborate with other platform teams


  • Experience with low level Linux containerization subsystems (cgroups, namespaces), other containerization/virtualization systems, or related subsystems like scheduling or networking

  • Experience working within the wider Linux community

  • Strong programming capabilities in C and/or C++

  • Strong communication skills and ability to work with cross-function teams

Desired Skills:

  • BS or higher in Computer Science (or related) or equivalent work experience

  • Hands-on experience with contributing to the Linux kernel

  • Hands-on experience work the kernel process scheduler.

  • You take pride in designing solutions that outlive the problem

  • You can provide links to your contributions on public repositories or blog posts

Engineering Hiring Process

Step 1

Once your application is received, a recruiter will reach out pending your qualifications are a match for the role.

Step 2

If your background is a match, you may have 1-2 technical phone interviews or be given the chance to provide a work sample depending on the role.

Step 3

If the phone interviews go well or your work sample is strong, the final step includes interviews with 5-6 people held onsite in our office.


Personal Information

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U.S. Equal Opportunity Employment Information  (Completion is Voluntary)

At Twitter, we have a bold aspiration to reach every person on the planet. We believe that goal is more attainable with a team that understands and represents different cultures and backgrounds and we are committed to an inclusive and diverse Twitter.

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