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Senior PCB Design Engineer
Arista Networks
Santa Clara, USA
Full-time
Mid-Senior
Onsite
$133,000 to $180,000.
Discovered 1 weeks ago
PCB design and layoutHigh-speed differential routing112G/224G PAM4PCIe Gen 5/6DDR4/5/6QSFP-DD and OSFP optical transceivers
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PCB design and layoutHigh-speed differential routing112G/224G PAM4
Role Overview
Develop high-speed networking and Ethernet products for enterprise, hyperscale data center, and AI cluster environments.
Work with hardware, signal integrity, power integrity, mechanical, thermal, and manufacturing teams.
Key Skills for This Role
PCB design and layoutHigh-speed differential routing112G/224G PAM4PCIe Gen 5/6DDR4/5/6QSFP-DD and OSFP optical transceivers
Full Job Posting
Role Overview
Develop high-speed networking and Ethernet products for enterprise, hyperscale data center, and AI cluster environments.
Work with hardware, signal integrity, power integrity, mechanical, thermal, and manufacturing teams.
High-Speed PCB Layout
- Route 112G/224G SerDes, PCIe Gen 5/6, and DDR4/5/6 interfaces.
- Design differential pairs with tight skew and impedance control.
- Execute dense BGA fan-out for high-pin-count ASICs and FPGAs.
Optical Transceiver Layout
- Design boards supporting QSFP-DD, OSFP, OSFP-XD, or equivalent optical transceivers up to 800G and 1.6T.
- Route PAM4 channels and optimize breakouts beneath high-density optical cages.
- Manage return paths, EMI control, via stub mitigation, and thermal dissipation near optical connectors.
Signal and Power Integrity
- Design 20-to-30-plus-layer stack-ups and calculate impedance profiles for low-reflection and low-crosstalk performance.
- Collaborate on signal integrity channel modeling and pre-layout and post-layout simulations.
- Design PDNs and multiphase DC/DC layouts for high-current, high-transient ASIC loads.
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