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Added 6 mins ago
Software Development Test Engineer
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As a Wi-Fi QA Engineer, you will own assigned test areas from requirements review through release. You will design and implement integration plans covering functionality, interoperability,…
Added 6 mins ago
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- $86,000 to $99,000 USD / year
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Added 6 mins ago
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Added 13 mins ago
Senior PCB Design Engineer
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Santa Clara, CA
…clusters. The team is responsible for end-to-end design and development of advanced hardware solutions that meet the demands of modern networking environments - including optical interface…
Added 14 mins ago
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Added 22 mins ago
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Added 43 mins ago
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Qualifications You Must Have
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Arista Networks

Senior PCB Design Engineer

Santa Clara, CA, United States

Compensation Information The new hire base pay for this role has a salary range of $133,000 to $180,000.

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Job details

Pay: Compensation Information The new hire base pay for this role has a salary range of $133,000 to $180,000.
Experience: 10+ years of relevant hardware engineering experience
Posting language: English
Posted: Nov 11, 2026

Original job description

Company Description 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.

Job Description

Who You’ll Work With Working closely with cross-functional teams including Hardware Design, Signal Integrity (SI), Power Integrity (PI), Mechanical Engineering, Thermal Engineering, and Manufacturing, our engineers innovate on system architectures and ultra-high-speed PCB designs to deliver state-of- the-art networking platforms. 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 next-generation AI clusters. The team is responsible for end-to-end design and development of advanced hardware solutions that meet the demands of modern networking environments - including optical interface platforms up to 800G and 1.6T. Core Responsibilities High-Speed Layout & Routing

Implement complex routing for advanced interfaces such as 112G/224G SerDes, PCIe Gen 5/6, DDR4/5/6
Design and route high-speed differential pairs with tight skew and impedance control
Execute dense BGA fan-out for high-pin-count ASICs and FPGAs

Optical Transceiver PCB Layout (800G / 1.6T)

Design and layout boards supporting high-bandwidth optical transceivers (QSFP-DD, OSFP, OSFP-XD or equivalent)
Route 112G / 224G PAM4 electrical channels between switch ASICs and optical modules
Define insertion loss budgets and coordinate with SI engineers to meet IEEE compliance requirements
Optimize breakout routing beneath high-density optical cages
Implement via stub mitigation strategies including backdrilling for ultra-high-speed signal paths
Manage ground reference continuity, EMI control, and return path integrity near optical connectors
Consider thermal dissipation (20W–30W+ modules) in layout planning
Impedance Control & Signal Integrity
Design advanced multi-layer stack-ups (20–30+ layers)
Calculate impedance profiles and ensure low-reflection, low-crosstalk performance
Collaborate with SI teams on channel modeling and pre-/post-layout simulations
Power Integrity (PI) Optimization
Design robust Power Distribution Networks (PDNs) for high-current ASICs
Layout multi-phase DC/DC converters for high transient loads
Strategically place decoupling capacitors to ensure wideband impedance stability
Thermal & Mechanical Coordination
Integrate thermal vias, heat sink attachments, and high-conductivity materials
Coordinate mechanical constraints such as enclosure, airflow, and structural limitations
Ensure proper placement and structural integration of optical cages
Advanced Fabrication Deliverables
Generate comprehensive manufacturing packages (Gerber, ODB++, IPC-2581)
Define backdrilling parameters and impedance specifications
Ensure compliance with DFM, DFA, and DFT requirements
Support boards through fabrication, assembly, and production ramp
Library & Feasibility Ownership
Create and maintain high-density component footprints (e.g., large BGAs, optical module connectors)
Participate in new product feasibility studies
Develop detailed routing guidelines and work packages for layout partners
Review external placement and routing work to ensure quality and schedule adherence

Qualifications

Bachelor’s or Master’s degree in Electrical Engineering, Electronics, or related field
10+ years of relevant hardware engineering experience
Proven experience designing networking hardware, particularly involving 100G/200G PAM4 Ethernet switching
Direct experience in high-speed optical transceiver PCB layout (800G and/or 1.6T preferred)
Expertise with 112G / 224G PAM4 routing and channel optimization
Advanced proficiency in Cadence Allegro and Sigrity
Experience designing 20+ layer boards with 50G+ signals
Hands-on experience with sequential lamination, HDI, ultra-low-loss materials
Experience in multi-phase DC/DC layout for high-current, high transient loads
Strong manufacturing knowledge including DFM, DFA, and DFT for 30+ layer rigid and rigid-flex boards
Demonstrated success taking products from concept through mass production

Compensation Information The new hire base pay for this role has a salary range of $133,000 to $180,000. Arista offers different pay ranges based on work location, so that we can offer consistent and competitive pay appropriate to the market. The actual base pay offered will be based on a wide range of factors, including skills, qualifications, relevant experience, and work location. The pay range provided reflects base pay only and in addition certain roles may also be eligible for discretionary Arista bonuses and equity. Employees in Sales roles are eligible to participate in Arista’s Sales Incentive Plan, which pays commissions calculated as a percentage of eligible sales. US-based employees are also entitled to benefits including medical, dental, vision, wellbeing, tax savings and income protection. The recruiting team can share more details during the hiring process specific to the role and location.

Additional Information

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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Skills

Printed circuit boards
Design hardware
Mechanical engineering
Regulatory compliance
EMI
DFT
Assembly
Electrical engineering

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Work requirements

Jobs in the United States