Security Engineer

Apple; Austin (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Apple in Austin, TX is hiring a Security Engineer to strengthen the Apple Pay security by performing aggressive testing and building stronger security capabilities on-site.

Responsibilities include breaking down hardware, software, and services to uncover gaps, leveraging AI to speed up security testing, and developing Skills, Agents, and AI workflows that improve tooling. You will independently verify findings and challenge AI outputs to drive robust security.

Qualifications

• 5+ years in a security-focused role.
• Hands-on security testing experience including pentesting/negative testing.
• Ability to break down hardware, software and services to identify gaps.
• Threat modeling experience for hardware and/or software designs.

Responsibilities

• Break down hardware, software, and services to uncover gaps.
• Leverage AI to accelerate security testing and iteratively improve tooling.
• Build Skills, Agents, and workflows that make security testing more effective.
• Independently verify or refute findings rather than accepting results at face value.
• Challenge AI outputs, prove them wrong, and use the results to improve tooling.

Skills

Security testing

Threat modeling

Code reviews

LLM tooling

Agent frameworks

Tools

LLM tools

Security tooling

Agent-based tooling

Job description

Apple Pay Security Engineering is hiring a Security Engineer in Austin, TX (onsite) to strengthen Apple Pay security by testing aggressively and building better security capabilities.

Responsibilities

• Break down hardware, software, and services to uncover gaps others may miss
• Leverage AI to accelerate security testing and iteratively improve tooling
• Build Skills, Agents, and workflows that make security testing more effective
• Independently verify or refute findings instead of accepting results at face value
• Challenge AI outputs, prove them wrong, and use the results to improve the tooling rather than rubber-stamp conclusions

Requirements

• Ability to use tools to ramp into new domains, experiment, and develop stronger security issue discovery capabilities
• Curiosity and interest in learning new areas
• Sense of ownership and pride in improving the engineering environment
• Threat modeling experience for hardware and/or software designs, including identifying attacker paths and existing protections
• Hands-on security testing experience, including pentesting, negative testing, or equivalent
• Skilled at security code reviews
• Hands-on experience using agentic/LLM-based coding tools
• Ability to build and refine Skills, Agents, and AI workflows (not just operate them)
• Capability to independently verify or refute a finding rather than accept it at face value
• 5+ years of experience in a security-focused role

Technologies

• AI
• LLM-based coding tools
• Skills, Agents
• AI workflows
• Cryptographic algorithms (PQC, AES, SHA, etc.)

Preferred Qualifications

• Strong problem solving and debugging skills
• Understanding of cryptographic algorithms (PQC, AES, SHA, etc.)
• Clear cross-team communication, including the ability to explain issues to developers
• Experience proposing new designs and architectural improvements after identifying failures
• Experience shipping software or integrating security throughout the software development lifecycle

Location: Austin, TX (onsite)

Experience: 5+ years