Arista Networks

3 months ago

Senior Optical Signal Integrity / Power Integrity (SI/PI) Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 3 hours agoStatus: Live

Job Summary

Lead design, simulation, and validation of high-speed electrical interconnects and power delivery networks for state-of-the-art optical modules and engines, collaborating with hardware, ASIC, layout, and optical teams to maximize SI/PI performance and reliability on multi-gigabit platforms (224G/448G PAM4).

Location: Santa Clara

Workplace: Onsite

Employment Type: Full time

Job Function: Energy & Utilities Operations

Seniority: Mid level

Key Responsibilities

•Lead signal integrity (SI) and power integrity (PI) efforts for high-speed optical transceiver modules and high density interconnect platforms.
•Design and simulate high-speed channels up to 448G per lane across PCBs, packages, and connectors.
•Perform pre- and post-layout SI/PI simulations using tools like Ansys HFSS, Keysight ADS, Cadence Sigrity, and SiSoft QSI.
•Develop and validate PCB stackups, via structures, high-speed breakout regions, and connector transitions to meet IEEE, CEI, and MSA standards.
•Collaborate with electrical, optical, and layout teams to define routing constraints, reference plane designs, and return path continuity for minimal signal degradation.

Pay and Benefits

Salary: USD 150,000 - 230,000 annually

Perks:Health InsuranceDentalVision401kPaid LeaveWellness Stipend

Key Requirements

•B.S. or higher in Electrical Engineering, Applied Physics, or a related discipline.
•7+ years of experience in SI/PI engineering for high-speed interconnects in optical or networking hardware.
•Proven experience with 112G, 224G, and 448G PAM4 signaling and related SI/PI challenges.
•Strong understanding of PCB stackup design, via modeling, impedance control, and crosstalk mitigation.
•Expertise in signal integrity simulation tools such as Ansys HFSS, Keysight ADS, Sigrity, or similar.

Experience:7+ yearsHigh-speed interconnectsOptical hardware

Education:Bachelor's

Skills:Problem-solvingDocumentationCommunicationCross-functional collaboration

Languages:English

Tech Stack:Ansys HFSSKeysight ADSCadence SigritySiSoft QSIPCB design

Company Brief

Arista Networks

Designs and sells high-performance cloud networking hardware and software for large-scale data centers and enterprise environments, including switches, routers, and network operating systems focused on programmability, telemetry, and low-latency networking.

Industry: Networking Equipment

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Public Company

Valuation: Public Company (Market Cap in USD)

Funding: IPO / Publicly Listed

Headquarters: Santa Clara, United States

Founded: 2004

Glassdoor: 4.1

Website LinkedIn

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Arista Networks

3 months ago

Senior Optical Signal Integrity / Power Integrity (SI/PI) Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 3 hours agoStatus: Live

Job Summary

Location: Santa Clara

Workplace: Onsite

Employment Type: Full time

Job Function: Energy & Utilities Operations

Seniority: Mid level

Key Responsibilities

•Lead signal integrity (SI) and power integrity (PI) efforts for high-speed optical transceiver modules and high density interconnect platforms.
•Design and simulate high-speed channels up to 448G per lane across PCBs, packages, and connectors.
•Perform pre- and post-layout SI/PI simulations using tools like Ansys HFSS, Keysight ADS, Cadence Sigrity, and SiSoft QSI.
•Develop and validate PCB stackups, via structures, high-speed breakout regions, and connector transitions to meet IEEE, CEI, and MSA standards.
•Collaborate with electrical, optical, and layout teams to define routing constraints, reference plane designs, and return path continuity for minimal signal degradation.

Pay and Benefits

Salary: USD 150,000 - 230,000 annually

Perks:Health InsuranceDentalVision401kPaid LeaveWellness Stipend

Key Requirements

•B.S. or higher in Electrical Engineering, Applied Physics, or a related discipline.
•7+ years of experience in SI/PI engineering for high-speed interconnects in optical or networking hardware.
•Proven experience with 112G, 224G, and 448G PAM4 signaling and related SI/PI challenges.
•Strong understanding of PCB stackup design, via modeling, impedance control, and crosstalk mitigation.
•Expertise in signal integrity simulation tools such as Ansys HFSS, Keysight ADS, Sigrity, or similar.

Experience:7+ yearsHigh-speed interconnectsOptical hardware

Education:Bachelor's

Skills:Problem-solvingDocumentationCommunicationCross-functional collaboration

Languages:English

Tech Stack:Ansys HFSSKeysight ADSCadence SigritySiSoft QSIPCB design

Company Brief

Arista Networks

Industry: Networking Equipment

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Public Company

Valuation: Public Company (Market Cap in USD)

Funding: IPO / Publicly Listed

Headquarters: Santa Clara, United States

Founded: 2004

Glassdoor: 4.1

Website LinkedIn