Senior Network Engineer: Global Backbone & Test Automation

Apple Inc.; California; On-site; USD 150,000 - 210,000; Full time

Job summary

Apple Inc. in California seeks a Senior Network Engineer to design, test, and deploy Apple’s global backbone network.

You will lead large-scale projects, run end-to-end test planning, and build automation tools for validation and performance measurement. The role requires hands-on lab experience with NOS, network devices from Cisco/Arista/Juniper, and a strong track record in scalable test case development and cross-functional collaboration to ensure reliability across Apple’s vast

Qualifications

• Solid understanding of LAN/WAN technologies and protocols.
• Experience with TCP/IP, ISIS, BGP and MPLS.
• Experience testing complex hardware and software products.
• Proficiency with multi-vendor network platforms (Cisco/Arista/Juniper).

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 protocols

TCP/IP/IS-IS/BGP/MPLS

Network hardware testing

Test case development

Test automation

Vendor equipment (Cisco/Arista/Juniper

Backbone network support

Tools

Ixia

Spirent

Job description

Apple Inc. in California seeks a Senior Network Engineer to design, test, and deploy Apple’s global backbone network.

You will lead large-scale projects, run end-to-end test planning, and build automation tools for validation and performance measurement. The role requires hands-on lab experience with NOS, network devices from Cisco/Arista/Juniper, and a strong track record in scalable test case development and cross-functional collaboration to ensure reliability across Apple’s vast