Principal Software Security Engineer

Responsibilities

• Lead the design and delivery of AI-enabled tooling for hardware security issue identification across specifications, RTL, firmware interfaces, software models, and hardware-software boundaries.
• Develop analysis workflows and services that combine AI, retrieval, static analysis, automation, and human review to produce credible security findings.
• Partner across hardware engineering, software security, research, fuzzing, threat modelling, and platform teams to ensure the tooling is practical, technically grounded, and aligned with engineering workflows.
• Define evaluation approaches for AI-assisted security analysis, including benchmark tasks, ground truth, confidence measures, false-positive handling, and evidence quality.
• Contribute to the long-term roadmap for hardware security AI tooling, including prototype evolution, productionisation, platform integration, and future research directions.
• Required Skills and Experience : Significant experience designing and building software systems using modern backend, data, platform, or developer tooling engineering practices.
• Experience building AI-enabled tooling, data-heavy engineering systems, analysis platforms, developer tools, or automation for complex technical domains.
• Practical understanding of LLM-based systems, including retrieval, embeddings, context engineering, structured outputs, tool/function calling, workflow orchestration, and AI-assisted analysis patterns.
• Familiarity with sophisticated AI workflow techniques such as agentic workflows, task decomposition, evaluator/critic loops, human-in-the-loop review, context or memory systems
• traceable evidence generation Ability to work with domain experts, extract tacit knowledge
• translate it into structured data, software workflows, evaluation criteria
• maintainable tooling.
• Ability to influence technical direction and collaborate effectively across security, software, hardware, research, and platform teams. &ldquo
• Nice To Have&rdquo
• Skills and Experience : Exposure to hardware architecture, RTL, firmware, SoC design, CPU/GPU systems, or hardware/software interfaces.
• Exposure to hardware security, platform security, vulnerability research, secure development, or threat modelling.
• Experience with static analysis, symbolic analysis, formal methods, or other automated techniques.
• Experience building datasets, benchmarks, evaluation harnesses, or test corpora for AI-assisted analysis.
• Familiarity with cloud, containerized development, infrastructure-as-code, CI/CD, observability, or internal engineering platforms.
• Experience collaborating with research teams or translating research ideas into production engineering workflows.
• Accommodations at Arm At Arm, we want to build extraordinary teams.
• If you need an adjustment or an accommodation during the recruitment process, please email accommodations@arm.com .
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• Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility.
• Please email us about anything we can do to accommodate you during the recruitment process.
• Hybrid Working at Arm Arm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing.
• We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility.
• Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs.
• Details of what this means for each role will be shared upon application.
• In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution.
• Please talk to us to find out more about what this could look like for you.
• Equal Opportunities at Arm Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues.
• We are a diverse organization of dedicated and innovative individuals
• don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability
• status as a protected veteran.