Sr Director, Hardware Engineering - Sydney

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About the role

Arista delivers networking excellence by designing the industry’s most advanced fabrics for rack-scale and data center-scale AI, alongside the highest-performance and most reliable campus platforms. We are pushing beyond today’s 1.6T-per-port systems toward higher-bandwidth, higher-radix, and more power-efficient architectures. This work spans high-speed electrical design, cabled backplanes, 200G+ per-lane SerDes, liquid-cooled switching, and next-generation optics that reduce the interconnect power and thermal burden of AI infrastructure. Our hardware strategy starts with the hardest problems our customers face—scaling bandwidth, controlling power, preserving signal integrity, and delivering uncompromising availability—and carries through first-silicon architecture, system design, validation, manufacturing, and deployment. We work across the full stack of merchant silicon, custom FPGA capability, optics, mechanics, power, thermal design, and EOS-enabled platform integration. As a Senior Director leading hardware, you will engage directly with hyperscale and enterprise customers to understand their scaling, performance, and deployment challenges—and translate those requirements into differentiated platforms. You will lead and grow our exceptional Sydney engineering organization, set architecture and execution direction, and turn merchant silicon, FPGA innovation, and system-level engineering into industry-leading routing, hyperscale, data center products. Who You'll Work With  As an Arista Hardware Engineering Senior Director, you will lead multiple cross-functional teams in the design and verification of an industry-leading portfolio of Networking Ethernet switches. What You’ll Do We are looking for an experienced, self-motivated, and team-oriented Hardware Engineering Senior Director to drive the creation of industry-leading Cloud Networking Ethernet switches. Arista takes pride in designing and manufacturing the highest-density, highest-bandwidth products on the market. • Scale and grow our Sydney hardware organization • Manage, mentor, and motivate a team of hardware, firmware, signal integrity, diags, and FPGA engineers with a diverse range of experience levels, from new college grads to experienced industry veterans. • Identify, define, and implement new processes and tools that help improve productivity and efficiency within the Hardware team • Establish Sydney hardware labs to expand local development and test capabilities, including site requirements, site reviews, equipment and power planning, and site negotiations. • Collaborate with SW and Central Engineering Directors to expand local teams outside of Hardware. • Provide technical guidance and direction to hardware engineers to resolve complex Hardware bring-up and cross-functional problems • Work with product management teams to translate high-level product direction into future system designs with detailed, executable steps for cross-functional teams. • Drive Vendor roadmaps of key components (ASICs, connectors, PCB vendors, etc.) to advance Arista’s Hardware designs, as well as align with internal product roadmaps • Communicate project status and changes to mitigate unexpected issues. • Participate in schematic and board design reviews • Develop and communicate priorities across a portfolio of projects. • Drive the design of high-quality products with high first-pass yields at manufacturing. • Ensure the prototype manufacturing infrastructure and capacity meet product portfolio needs. • Act as the initial point of contact for customer escalations, and supervise resolution  • Engage with customers on product definition and critical escalations as required  • BS or MS in Electrical Engineering, Mechanical Engineering, or Physics  • 4+ years of Ma

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