Senior Network Engineer, Infrastructure Services

Apple Inc.; San Francisco (CA); On-site; USD 145,000 - 264,000; Full time

Benefits offered by this job

Medical and dental coverage

Apple stock program eligibility

Relocation assistance

Job summary

Apple Inc. in San Francisco is seeking a Senior Network Engineer to design, test, and deploy Apple’s global backbone.

You’ll lead large-scale network projects, develop lab qualification methods for NOS, and build automation tools to enhance test coverage and validation processes. You will collaborate with software engineers, network architects, deployment and operations teams to ensure reliability, scalability, and performance across carrier-grade networks, spanning internal facilities and

Qualifications

• Solid understanding of LAN/WAN technologies and protocols.
• In-depth experience with TCP/IP, ISIS, BGP and MPLS protocols.
• Experience with systems, integration, validation and testing of complex hardware and software products.
• Proficient in building test cases for different network platforms and NOS.
• Experience in testing network devices, related tools, dependent systems, applications and dependent infrastructure.
• Extensive hands-on experience with carrier-grade network technologies and vendors including Cisco, Arista and Juniper.
• Experience supporting large-scale backbone network with knowledge of complex traffic engineering, traffic engineering and internet routing protocols.

Responsibilities

• Test Case Development and Scalability: Build, maintain, and enhance network test cases and test procedures that scale across diverse network environments, network roles, and vendor platforms.
• End-to-End Test Planning: Design end-to-end test scenarios and develop structured test plans to reproduce production issues, edge cases, degraded network conditions, and failure scenarios across the network infrastructure.
• Test Automation and Tooling: Identify repetitive manual workflows suitable for automation and develop tools and scripts for network device control, testbed setup, performance measurement, data collection, and automated test execution.
• Cross-Functional Collaboration: Partner with software engineers, network architects, deployment teams, and operations teams to understand network behavior, improve test coverage, identify validation gaps, and ensure network reliability.
• Failure Emulation and Troubleshooting: Reproduce production network failures in controlled test environments, isolate issues, collect logs and telemetry data, and provide detailed reproduction procedures to support engineering investigations and root cause analysis.
• Test Coverage and Validation Improvements: Identify gaps in existing test suites and expand validation coverage for network functionality, reliability, resiliency, performance, and failure recovery.
• Issue Analysis and Documentation: Document test results, failure symptoms, reproduction steps, and diagnostic findings to help engineering teams troubleshoot issues and implement corrective actions.

Skills

LAN/WAN tech

TCP/IP routing

BGP

MPLS

NOS testing

Network testing

Ixia/Spirent

multivendor platforms

Tools

Ixia

Spirent

Job description

San Francisco Bay Area, California, United States Software and Services

Do you want to help build some of the largest and most consequential enterprise and customer technology systems in the world? Join Apple’s Information Systems and Technology (IS&T) organization.IS&T is the engine behind everything Apple does for customers and for the people who build for them. It’s Apple’s central nervous system. Supporting 2.5 billion active Apple devices, processing billions of secure transactions, and keeping the technology that defines modern life running flawlessly, IS&T makes the impossible feel effortless.”\"Do you love building solutions to handle global complexity and immense scale? Imagine what you could do here.Infrastructure Services is part of IS&T and the foundation of Apple's global network operations — managing data center equipment and systems to deliver compute, storage, and networking services for teams across Apple, including its internal developer community. From individual facilities to a worldwide network, Infrastructure Services ensures the technology underneath everything works without question.Apple’s Global Network Services (GNS) team supports Apple’s Global Backbone and Internet peering infrastructure! We're a team of seasoned professionals that maintain and operate one of the world’s largest service provider based backbone to connect all of Apple’s businesses globally. We are growing and building the fastest and most reliable network backbone to meet Apple’s phenomenal scale and unique requirements.

Description

As a Senior Network Engineer, you will be responsible for the design, testing, and deployment of our global backbone network. The ideal candidate will thrive in a dynamic team environment, leading and executing large‑scale network projects across all phases, including testing, design, planning, and deployment.Additionally, this role requires hands‑on experience in a lab environment to qualify network platforms and network operating systems (NOS). You will also develop custom automation tools to enhance test coverage, improve test case effectiveness, and streamline network validation processes.

Responsibilities

• Test Case Development and Scalability: Build, maintain, and enhance network test cases and test procedures that scale across diverse network environments, network roles, and vendor platforms.
• End-to-End Test Planning: Design end-to-end test scenarios and develop structured test plans to reproduce production issues, edge cases, degraded network conditions, and failure scenarios across the network infrastructure.
• Test Automation and Tooling: Identify repetitive manual workflows suitable for automation and develop tools and scripts for network device control, testbed setup, performance measurement, data collection, and automated test execution.
• Cross-Functional Collaboration: Partner with software engineers, network architects, deployment teams, and operations teams to understand network behavior, improve test coverage, identify validation gaps, and ensure network reliability.
• Failure Emulation and Troubleshooting: Reproduce production network failures in controlled test environments, isolate issues, collect logs and telemetry data, and provide detailed reproduction procedures to support engineering investigations and root cause analysis.
• Test Coverage and Validation Improvements: Identify gaps in existing test suites and expand validation coverage for network functionality, reliability, resiliency, performance, and failure recovery.
• Issue Analysis and Documentation: Document test results, failure symptoms, reproduction steps, and diagnostic findings to help engineering teams troubleshoot issues and implement corrective actions.

Minimum Qualifications

• Solid understanding of. LAN/WAN technologies and protocols
• In-depth experience with TCP/IP, ISIS, BGP and MPLS protocols.
• Experience with systems, integration, validation and testing of complex hardware and software products.
• Proficient in building test cases for a different network platforms and NOS.
• Experience in testing network devices, related tools, dependent systems, Applications and dependent infrastructure.
• Extensive hands‑on experience with carrier‑grade network technologies and vendor including Cisco, Arista and Juniper.
• Experience supporting large‑scale backbone network with knowledge of comple traffic engineering, traffic engineering and internet routing protocols.

Preferred Qualifications

• In-depth knowledge of Layer 2/Layer 3 networking protocols, including TCP/IP, IS-IS, BGP, and MPLS.
• Hands‑on experience with multivendor network platforms.
• Experience qualifying network hardware and their respective network operating systems (NOS).
• Proficiency with network testing tools and traffic generators, such as Ixia and Spirent.

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $144,600 and $263,800, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.
Learn about accessibility in Apple’s workplace
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Apple accepts applications to this posting on an ongoing basis.