Compiler Software Engineer II - LLVM/Toolchains Expert

Cisco Systems, Inc.; Austin (TX); On-site; USD 126,000 - 203,000; Full time

Job summary

Cisco Systems, Inc. in Austin, TX, is seeking a Compiler Software Engineer II to architect, implement, and optimize advanced compilation, code analysis, and debugging toolchains for Cisco IOS-XE, Silicon One, and cloud-scale routing platforms.

You will work in C/C++ on LLVM/GCC backends, improve DWARF standards, and build automated validation pipelines in Python within CI/CD, contributing to open-source toolchains and high-performance code generation.

Qualifications

• Master's degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, or related technical field (within 3 years or within next 12 months).
• Bachelor's degree with 2 years of work experience in related field.

Responsibilities

• Architect, implement, and optimize advanced compilation, code analysis, and debugging toolchains.
• Develop compiler transformations and runtime diagnostic tools in modern C/C++ for ARM64/x86.
• Build automated validation pipelines using Python and CI/CD.
• Enhance DWARF debug format, and integrate AI-assisted tooling.
• Contribute to open-source toolchains and high-performance code generation improvements.

Skills

C/C++ system programming

Compiler toolchains

ARM64/x86 architectures

GDB/LLDB debugging

Education

Master's degree in CS/CE/SE

Bachelor's degree + 2 years experience

Tools

LLVM

GCC

Python

GDB/LLDB

Job description

Cisco Systems, Inc. in Austin, TX, is seeking a Compiler Software Engineer II to architect, implement, and optimize advanced compilation, code analysis, and debugging toolchains for Cisco IOS-XE, Silicon One, and cloud-scale routing platforms.

You will work in C/C++ on LLVM/GCC backends, improve DWARF standards, and build automated validation pipelines in Python within CI/CD, contributing to open-source toolchains and high-performance code generation.