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Principal Software Engineer

Role overview

Summary

This role focuses on developing core components for Cisco products, including BPF and Live Protect. You will collaborate with Linux kernel maintainers and system engineers, contributing to open source projects and defining architectural designs for internal teams.

Qualifications

  • 12+ years of experience with systems level programming in the Linux kernel, associated systems tooling or compilers.
  • 12+ years of open source experience working on open source projects, examples include Kubernetes, BPF, LLVM, and the Linux kernel.
  • Familiarity with presenting work in technical forums, such as technical conferences, IETF, technical papers, whitepapers, etc.
  • Preferred: Experienced contributor to the Linux kernel.
  • Preferred: Familiarity with compiler technologies such as clang and gcc.

Responsibilities

  • Develop the next generation of Linux kernel, BPF, BTF, and system level tooling.
  • Interact with security and threat research teams to define architecture and design.
  • Contribute to upstream open source Linux communities, including the Linux kernel organization.
  • Develop early stage ideas into released products.

Key facts

Hard skills

Other skills

  • Presentations
  • Collaboration
  • Empathy

About the company

Cisco logo

Cisco

  • Computer & Networking Hardware
  • XLarge
  • 10,001+
Cisco (NASDAQ: CSCO) enables people to make powerful connections--whether in business, education, philanthropy, or creativity. Cisco hardware, software, and service offerings are used to create the Internet solutions that make networks possible--providing easy access to information anywhere, at any time. Cisco was founded in 1984 by a small group of computer scientists from Stanford University. Since the company's inception, Cisco engineers have been leaders in the development of Internet Protocol (IP)-based networking technologies. Today, with more than 71,000 employees worldwide, this tradition of innovation continues with industry-leading products and solutions in the company's core development areas of routing and switching, as well as in advanced technologies such as home networking, IP telephony, optical networking, security, storage area networking, and wireless technology. In addition to its products, Cisco provides a broad range of service offerings, including technical support and advanced services. Cisco sells its products and services, both directly through its own sales force as well as through its channel partners, to large enterprises, commercial businesses, service providers, and consumers.

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Job description

Meet the Team:


The team you will join is the Isovalent at Cisco team where you will work with Linux kernel maintainers and system engineers to deliver and support BPF. This team builds the core components that are the foundation for Cisco products, such as Tetragon, Live Protect and Hypershield.


Your Impact


As a Principal level engineer to develop the next generation of Linux kernel, BPF, BTF and system level tooling in support of BPF and the Live Protect product family. This position will be responsible for interacting with security and threat research teams (both internal and external), defining the architecture and design for the internal engineering teams, and developing early stage ideas to released products including contributing to the upstream open source Linux communities including the Linux kernel organization.


Minimum Qualifications:


  • 12+ years of experience with systems level programming in the Linux kernel, associated systems tooling or compilers.
  • 12+ years of open source experience working on open source projects, examples include Kubernetes, BPF, LLVM, and the Linux kernel.
  • Familiarity with presenting work in technical forums, such as technical conferences, IETF, technical papers, whitepapers, etc.

Preferred Qualifications:

  • Experienced contributor to the Linux kernel
  • Familiarity with compiler technologies such as clang and gcc.
  • Maintainer or top contributor to BPF projects and code.

Why Cisco? 

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. 

We are Cisco, and our power starts with you. 

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