Senior Security Engineer

Sunnyvale, California, United States Software and Services

Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better.

It’s the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. Here, you’ll do more than join something — you’ll add something.

People at Apple don’t just build products — they craft the kind of experience that has revolutionized entire industries. The diverse collection of our people and their ideas encourage innovation in everything we do. Imagine what you could do here! Join Apple, and help us leave the world better than we found it.

Apple’s Network Infrastructure is a critical foundation in delivering Apple’s services (such as iCloud, iTunes, Siri, Maps, Private Cloud Compute) to billions of customers, and its employees. Apple’s Data Center Networking team is responsible for all aspect of the Network Infrastructure, from Operations to Architecture, thats deployed globally across Apple’s Data Centers and Edge locations. We are responsible for delivering a network that can match Apple’s scale, reliability and security goals.

We work closely with Apple’s other Infrastructure organizations, Hardware and Software Architecture teams to influence, build and operate Apple’s Infrastructure. Our influences can range anywhere from Data Center Network Fabrics to a Hardware System Design. We listen to different perspectives, help surface innovative ideas, and drive decisions that move us forward.

As part of the Data Center Network Security Engineering team, you will collaborate closely with the SDI team to influence the design of next-generation security products and features, and to operationalize innovative security solutions that power Apple’s hyperscale network infrastructure. Our environment extends well beyond Apple’s data centers and edge locations, encompassing Apple Cloud platforms as well as third-party cloud environments.

This role spans the full spectrum of network security, from on-premises data centers to hybrid and multi-cloud architectures. We are seeking a highly motivated engineer with a strong passion for designing, implementing, and securing large-scale cloud and data center network infrastructures. You will play a key role in protecting hybrid environments by applying advanced network security controls, automation, and industry best practices across on-prem, cloud, and multi-cloud deployments.

• Partner with network architects, software, platform, and infrastructure teams to deliver Apple’s next-generation network security vision across data center, cloud, and edge environments.
• Design and implement scalable network security architectures that protect hyperscale, hybrid, and multi-cloud infrastructure.
• Influence infrastructure, platform, and service designs by embedding security requirements early in the architecture and development lifecycle.
• Drive secure-by-design hardware and system architecture decisions through threat modeling, security requirements, and design reviews.
• Define and enforce network security policies, standards, and best practices that balance strong security with operational scalability.
• Lead the integration and operationalization of new security technologies across existing and next-generation network environments.
• Evaluate, deploy, and automate advanced network security controls to improve consistency, resiliency, and efficiency at scale.
• Serve as a senior technical authority, providing design guidance, mentorship, and security leadership across engineering teams.

• Sophisticated knowledge of TCP/IP, routing protocols, security protocols and large scale network features.
• Deep technical background in network-layer security mechanisms
• Routing isolation
• Routing…