Firmware Security Engineer

Ascendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth.

Learn more at  https://ascendion.com/.

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We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

• Build the coolest tech for the world’s leading brands
• Solve complex problems - and learn new skills
• Experience the power of transforming digital engineering for Fortune 500 clients
• Master your craft with leading training programs and hands-on experience

Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

• Job Title: Firmware Security Engineer
• Location:Redmond, 98052 (Hybrid Role)

• Build and Enhance Security Analysis Pipelines:
  • Develop preprocessing pipelines for compiling C/C firmware code into LLVM IR.
  • Implement and maintain LLVM-based transformations for off-target analysis and fuzzing.
  • Design systems for generating and executing fuzzing campaigns using modern frameworks.
  • Security Automation and Tooling:
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  • Enhance vulnerability detection pipelines and reduce false positives through improved analysis techniques.
  • Improve reporting systems for actionable engineering insights from security findings.
  • Build scalable automation combining compiler infrastructure, security tools, and AI-driven workflows.
• Open-Source Readiness:
  • Improve system reliability, modularity, test coverage, and CI/CD automation.
  • Create developer documentation, onboarding guides, and architectural references.
  • Support dependency review, reproducible builds, and open-source readiness activities.
  • Contribute to long-term technical strategy and platform evolution.

• Strong professional experience in C/C software development.
• Hands-on experience with compiler technologies, LLVM, or low-level systems programming.
• Experience with fuzzing frameworks like libFuzzer, AFL, AFL , or similar technologies.
• Strong understanding of software security principles, including memory-safety.

• Experience with large language models (LLMs) and automated fuzzing.
• Knowledge of open-source engineering practices.
• Previous work in firmware security analysis.

• Redmond, 98052 (Hybrid Role)

The annual salary for this position is between $150,000 - $190,000 annually.  Factors which may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.

The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [long-term disability insurance] [short-term disability insurance] [5 personal days accrued each calendar year. The Paid time off benefits meet the paid sick and safe time laws that pertains to the City/ State] [10-15 days of paid vacation time] [6 paid holidays and 1 floating holiday per calendar year] [Ascendion Learning Management System].

Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!