Principal Software Engineer

Cisco

. Develop the next generation of Linux kernel, BPF, BTF, and system-level tooling supporting BPF and the Live Protect product family .

Posted 11/11/2026full-timeRemote • Ireland, SwitzerlandLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in systems-level programming within the Linux kernel and open source contributions, particularly in BPF and associated tooling. Proven ability to define architecture, develop products, and engage with technical communities.

Highest-signal resume keywords

Linux Kernel DevelopmentBPF ContributionOpen Source Project ExperienceSystems-Level ProgrammingCompiler Technologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems-Level ProgrammingLinux KernelBPFLLVMKubernetesClangGCCTechnical PresentationArchitecture DesignProduct Development

Soft Skills

CollaborationCommunication

Tools & Technologies

BPF ToolsLinux CommunitiesTechnical Forums

Industry Keywords

Open SourceSecurityThreat ResearchTechnical ConferencesWhitepapers

Tech Stack

Tools & technologies

KubernetesLinuxOpen Source

About the role

Key responsibilities & impact

Develop the next generation of Linux kernel, BPF, BTF, and system-level tooling supporting BPF and the Live Protect product family
Interact with security and threat research teams, both internal and external
Define architecture and design for internal engineering teams
Develop early-stage ideas into released products
Contribute to upstream open source Linux communities, including the Linux kernel organization
Deliver and support BPF
Build core components foundational to Cisco products such as Tetragon, Live Protect, and Hypershield

Requirements

What you’ll need

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 such as Kubernetes, BPF, LLVM, and the Linux kernel
Familiarity with presenting work in technical forums, including technical conferences, IETF, technical papers, and whitepapers
Experienced contributor to the Linux kernel
Familiarity with compiler technologies such as clang and gcc
Maintainer or top contributor to BPF projects and code

Benefits

Comp & perks

Opportunities to grow and build on a global scale
Collaboration with a worldwide network of doers and experts