Senior Hardware Design Engineer, High Speed Networking

Arista Networks, Inc.; Nashua (NH); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Arista Networks is seeking a Senior Hardware Design Engineer in Nashua, NH to lead end-to-end development of high-speed networking hardware, including 100G/200G PAM4 Ethernet switches for AI networks and data centers.

The role involves defining specifications, PCB stackups, and collaborating with software, mechanical, and manufacturing teams to deliver robust hardware from concept to production.

Qualifications

• 10+ years of relevant experience in hardware engineering.
• Experience designing networking hardware with 100G/200G PAM4.
• Familiarity with high-speed interfaces and multi-layer boards.

Responsibilities

• Authoring functional specifications for high-power Ethernet switches.
• Selecting and qualifying components and prototyping.
• Schematic capture and design verification with tools.
• PCB layout collaboration with mechanical and eCAD teams.
• Run signal integrity simulations on power and datapath signals.
• Collaborate with CM for proto to production handoff.
• Lab bring-up, debugging prototypes, and design validation.
• Mentor and guide other engineers in the team.

Skills

High-speed PCB

Signal integrity

Power integrity

Verilog/VHDL

Mentoring

Cross-functional

Multi-layer boards

DFM for production

Manufacturing liaison

Education

BSEE or MSEE

Tools

Verilog/VHDL

PCB layout - eCAD

SI/PI tools

Job description

Senior Hardware Design Engineer, High Speed Networking

• Full-time

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Who You’ll Work With

Working closely with cross-functional teams including software, product management, marketing, and manufacturing, our engineers innovate new system architectures and develop high-speed PCBs requiring state-of the-art signal integrity and power integrity design practices.

What You’ll Do

Our Hardware Design Engineering team is at the forefront of developing high-speed networking and Ethernet products used in Enterprise campuses, hyperscale datacenters and bleeding edge AI clusters. The team is responsible for the end-to-end design and development of advanced hardware solutions that meet the demands of modern networking environments.

Candidates for this position would be responsible for the entire hardware design process:

• Authoring functional specifications of high power and high density Ethernet switches used in AI networks
• Selecting and qualifying components
• Schematic capture and tool-based design verification
• Working closely with eCAD teams on PCB layout and component footprints
• Working with internal teams to run (or run your own) signal integrity simulations on both power and datapath signals
• Working closely with mechanical and thermal engineers on the system general arrangement and physical realization
• Specifying PCB stackup and fabrication details with various PCB vendors
• Working with internal teams to develop (or develop your own) programmable logic devices for control and timing planes
• Working closely with local and overseas Contract Manufacturers (CM), from proto through production
• Lab bring up and debug of prototypes
• Working closely with diagnostics software engineers on both design validation and manufacturing test development
• Driving complex system debug between software, hardware, and test teams
• Training CM for high yield test and manufacturing
• Guiding groups of engineers and mentoring younger engineers

• BSEE or MSEE
• 10+ years of relevant experience in hardware engineering
• Experience designing networking hardware, particularly involving 100G and 200G PAM4 Ethernet switching
• Embedded x86/ARM system design is highly desirable
• Experience designing 20+ layer count boards featuring 50G+ signals, and advanced PCB manufacturing technologies such as sequential lamination, HDI, and ultra-low-loss materials
• Experience working with multi-phase DC/DC’s for high current, high transient loads
• Experience working with high speed interfaces, such as DDR, PCIe
• Writing specifications and drawing schematics for high complexity boards
• Working closely with CAD designers on complicated layout and routing
• Working closely with Software and test engineers to bring-up and debug systems
• Familiarity with signal integrity and power integrity concepts and tools, such as: impedance, PDN’s, differential routing, insertion loss, S-parameters, TDR’s, VNA’s
• Experience with mass production Design for Manufacturability (DFM)
• FPGA design and system simulation using Verilog and or VHDL
• Working with Contract manufacturers
• Successfully taking products from concept to production

#LI-AC1

Arista Networks is an equal opportunity employer. Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law. All your information will be kept confidential according to EEO guidelines.

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