Build Security Engineer

Software is often referred to as the "soul" of Apple’s products. This role sits at the intersection of security and software engineering, with direct responsibility for protecting the systems and infrastructure used to manage, build, and distribute Apple’s software. The Build Security Engineer will conduct threat modeling and security assessments, partner with engineering teams to uphold security standards, and develop technical solutions that strengthen Apple’s build infrastructure security posture end to end., The Build Security Engineer is a key contributor to the security of Apple’s software supply chain. This role requires deep technical security expertise applied across threat modeling, offensive security assessments, and the development of security controls - all in close collaboration with the engineering teams who build and maintain Apple’s most critical software infrastructure. The role also involves creating documentation, mentoring teammates, and staying current with the evolving threat landscape to proactively address risk.

Responsibilities

Conducts threat modeling and security assessments of critical build infrastructure, regularly updating models to reflect evolving threats and changes in the environment.

Collaborates with engineering teams to ensure adherence to defined security standards and requirements, providing guidance on the implementation of security measures.

Develops, implements, and maintains technical solutions to mitigate identified security risks within the software build pipeline.

Writes and maintains test cases to validate the effectiveness and resilience of security controls.

Leads penetration tests and red team exercises with a focus on the software build path and related critical infrastructure.

Researches vulnerabilities in critical software components used across the environment and recommends proactive mitigations.

Creates and maintains documentation outlining security guidelines and best practices for engineering teams.

3+ years of experience in cybersecurity, with hands-on experience in threat modeling, security assessments, or penetration testing

Experience in a software engineering or security operations role

Experience with scripting or programming languages such as Python or Bash

Experience working cross-functionally with engineering teams on security requirements or controls

Preferred Qualifications

Experience conducting penetration testing or red team exercises, particularly targeting build pipelines or software supply chain components

Experience leveraging LLMs safely to accelerate various security workflows

Experience with container orchestration platforms such as Kubernetes

Proficiency in additional programming languages such as Go (Golang) or Perl

Familiarity with cybersecurity frameworks and standards (e.g., NIST, CIS, SLSA)

Experience mentoring engineers or junior security team members on security concepts and best practices

Track record of identifying and driving remediation of vulnerabilities in complex software environments

Strong written and verbal communication skills with the ability to present technical findings to varied audiences

Security certifications such as OSCP or CISSP

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