Senior Security Software Engineer - Secure Transports at Apple in Cupertino

Job description

• Posted:
• Sep 22, 2026
• 200685182
• Embedded within Apple’s Security Engineering & Architecture organization, the Secure Transports team’s mission is to deliver world-class cryptographic and secure protocols engineering. At the heart of an organization dedicated to building the most secure operating system in the world and putting it in the hands of millions of customers, the team is looking for a motivated software engineer to help push its technologies to the next level.
• You will join a team that provides the security foundations for data in motion across all of Apple’s innovative products, including Mac, iPhone, iPad, Apple Watch, Apple TV, HomePod, and Vision Pro. You will contribute to the entire system, from the kernel up through libraries, frameworks, and applications.
• As an engineer, you will have the opportunity to majorly impact the design and implementation of Apple’s embedded and desktop operating system products, collaborating closely with all other security partners, ranging from our Silicon Engineering group to our Cloud Services group. Designing and developing software for hundreds of millions of users.
• People who LOVE the products you make. Working for a company whose dedication to user privacy is at the heart of everything it does. Being surrounded by the most creative, passionate, talented engineers in the industry.
• Constantly being challenged to go beyond the norm to find new, innovative ways of solving problems and to make software safer, easier, and more fun to use. Not many jobs can offer all of these things. Software Engineering jobs at Apple do, and much more.
• Successful candidates will be generalists capable of tackling challenging wide-ranging engineering problems anywhere in the software stack, determining the appropriate compromise between several often competing factors such as ease of use, performance, and of course security. Our environment fosters product innovation, rapid product iteration, and a liberating amount of autonomy in which you will be encouraged to create and quickly bring to market new security methods and technologies to address the complex needs of mobile and distributed computing. The position also has a strong multi-functional aspect that will require you to interact with and influence many people from several organizations within and outside the company.

Responsibilities

• Help define the security properties and architecture for the next-generation operating system
• Design and implement new techniques to protect users' privacy during web browsing, secure messaging sessions, and cloud-based AI requests
• Investigate and implement the next evolution in transparency protocols
• Work cooperatively with other parts of Apple on multi-functional technologies and initiatives to improve security
• Promote and drive the adoption of these technologies across the organization

Requirements

• 5 years of professional software engineering experience
• Experience in systems or OS development
• A genuine passion for creating effective and pragmatic transport security
• Bachelor's degree in Computer Science or a related field
• Experience with transparency technologies, such as certificate transparency
• Strong understanding of recent developments and concerns with standard protocols such as TLS
• Strong understanding of C, Objective-C, or Swift
• Industry exposure to and knowledge of OS security and applied cryptography
• Excellent teamwork and communication skills. Working multi-functionally with other software, hardware, marketing, and support teams to provide the best security solutions for Apple’s products.

Skills

Required

• Experience in systems or OS development