LLVM Complier Engineer - Firmware

Our client, a leading organization in hardware security and firmware analysis, is seeking a Software Design Engineer 4 to join their team. As a Software Design Engineer 4, you will be part of the Security and Platform Engineering Department supporting innovative firmware security analysis initiatives. The ideal candidate will have strong problem-solving skills, excellent collaboration abilities, and a passion for advancing cybersecurity technologies, which will align successfully in the organization.

Firmware Security Engineer

Location:
Redmond, WA - Hybrid

Pay Range: $71 - $77.hr on Experis (Benefits/PTO/401k)

• Can the candidate complete a live C/C++ coding exercise?
• What LLVM/compiler projects have they worked on?
• What tools have they used in production?
• Have they worked with firmware or embedded systems?
• Can they explain a security vulnerability they discovered or remediated?
• What CI/CD pipelines have they built or maintained?
• What Python automation projects have they developed?

LLVM / Compiler Engineering – 5+ years

C/C++ Systems Programming – 7+ years

Security Fuzzing & Vulnerability Research – 3–5+ years

• Build and enhance a next-generation firmware security analysis platform within Azure Hardware Security.
• Develop preprocessing pipelines to compile C/C++ firmware code into LLVM Intermediate Representation (IR).
• Create and improve static analysis workflows, including call-graph extraction and metadata generation.
• Design and maintain systems that generate and execute fuzzing campaigns using modern frameworks and AI-assisted techniques.
• Collaborate with security researchers, compiler engineers, and platform developers to deliver production-quality tooling.

• Bachelor's degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience.
• Strong professional experience developing software in C/C++.
• Hands-on experience with compiler technologies, LLVM, or low-level systems programming.
• Experience working with fuzzing frameworks such as lib Fuzzer, AFL, AFL++, or similar.
• Proficiency with Python for automation and tooling development.

• Opportunity to work on cutting-edge firmware security analysis tools and methodologies.
• Collaborate with a diverse team of security researchers, engineers, and open-source contributors.
• Contribute to open-source projects and establish industry-leading security solutions.
• Engage in continuous learning and professional development in cybersecurity and systems programming.
• Be part of an innovative environment that values technical excellence and open-source contributions.

• Medical and Prescription Drug Plans
• Dental Plan
• Vision Plan
• Health Savings Account
• Health Flexible Spending Account
• Dependent Care Flexible Spending Account
• Supplemental Life Insurance
• Short Term and Long Term Disability Insurance
• Business Travel Insurance
• 401(k), Plus Match
• Weekly Pay

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