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What is the difference between Simplis vs Solar Installer?

AspectSimplisSolar Installer
Required CredentialsTypically no formal certifications requiredOften requires certifications like NABCEP
Work EnvironmentPrimarily office-based, project planningOn-site installation and maintenance
Industry UsageDesigns and plans solar systemsBuilds and installs solar panels

While Simplis focuses on designing and planning solar energy systems, Solar Installers are responsible for the physical installation and maintenance of solar panels. Both roles are essential in the solar industry, but they require different skills and certifications. Simplis professionals typically work in an office setting, whereas Solar Installers are hands-on, working on-site. Understanding these differences helps job seekers find the right role in the solar energy sector.

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What are the main challenges a simplis engineer might face when working on power electronics simulation projects?

SimpLis engineers often encounter challenges related to accurately modeling complex switching behaviors in power electronics circuits while maintaining fast simulation speeds. Balancing simulation accuracy with computational efficiency can require creative problem-solving, especially for large-scale or highly nonlinear systems. Additionally, effective communication with design and hardware teams is crucial, as simulation results must align with real-world prototypes. Staying updated on the latest SimpLis features and best practices also helps ensure project success.

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Infographic showing various Simplis job openings in California as of August 2026, with employment types broken down into 99% Full Time, and 1% Contract. Highlights an 93% Physical, 4% Hybrid, and 3% Remote job distribution.

Senior System Signal Integrity Engineer

OSI Engineering, Inc.

Cupertino, CA • On-site

$128K - $176K/yr

Other

Re-posted 2 days ago

Job description

Summary

OSI Engineering is partnering with our client to find an experienced Senior System Signal Integrity Engineer to support the development of next-generation consumer device products. This is an exciting opportunity to work on cutting-edge high-speed digital designs, collaborating with world-class engineering teams responsible for delivering industry-leading hardware.

If you''re passionate about signal integrity, high-speed interfaces, and solving complex system-level challenges, this role offers the opportunity to make a direct impact on products used by millions around the world.

Responsibilities
  • Perform system-level Signal Integrity (SI) design, analysis, and validation for next-generation Mac products.
  • Analyze and optimize high-speed SerDes links, including transmitter and receiver equalization techniques such as FFE, CTLE, DFE, VGA gain, CDR behavior, link training algorithms, and internal eye margining.
  • Support signaling technologies including NRZ, PAM3, and PAM4.
  • Conduct statistical channel analysis across multiple channel variants and validate end-to-end link performance.
  • Review PCB and flex layouts, including trace routing, impedance control, and return path analysis.
  • Develop and evaluate interconnect models using S-parameters, W-elements, and other modeling techniques.
  • Perform channel modeling and simulation using industry-standard SI tools.
  • Support compliance testing and passive channel/component characterization for high-speed interfaces.
  • Perform system-level transient analysis using IBIS-AMI, HSPICE, Spectre, AMS, Simplis, and related simulation models.
  • Utilize measurement equipment including Vector Network Analyzers (VNA) and Time Domain Reflectometry (TDR) for validation, calibration, and de-embedding.
  • Develop scripts using Matlab, Python, Perl, or similar languages to improve engineering workflows.
  • Create clear technical documentation and collaborate effectively with cross-functional engineering teams.
Requirements
  • Strong system-level Signal Integrity experience supporting high-speed digital designs.
  • Deep understanding of SerDes architectures, including:
    • FFE
    • CTLE
    • DFE
    • VGA Gain
    • Clock Data Recovery (CDR)
    • Link training algorithms
    • Internal eye margining
  • Experience working with NRZ, PAM3, and PAM4 signaling technologies.
  • Expertise with industry-standard interfaces including:
    • USB4
    • USB3.1 / USB2
    • PCIe
    • Thunderbolt
    • DisplayPort
    • HDMI
    • MIPI
    • Ethernet
    • SD
  • Experience supporting parallel interfaces such as:
    • DDR
    • LPDDR
    • GDDR
    • NAND
    • Other synchronous interfaces
  • Strong understanding of transmitter and receiver compliance testing.
  • Experience with PCB materials, flex materials, connector design, and high-speed interconnect design.
  • Proficiency with SI simulation tools such as:
    • Ansys HFSS
    • Keysight ADS
    • SIwave
    • PowerSI
  • Working knowledge of:
    • IBIS-AMI
    • HSPICE
    • Spectre
    • AMS
    • Simplis
  • Experience using laboratory measurement equipment including VNA and TDR is preferred.
  • Programming or scripting experience using Matlab, Python, Perl, or similar languages is preferred.
  • Excellent communication, documentation, and problem-solving skills.
  • Ability to work independently while collaborating effectively with cross-functional engineering teams.
Education
  • Ph.D. preferred with 3+ years of relevant industry experience, or
  • Master''s degree required with 5+ years of relevant industry experience.
Location

Hybrid — Cupertino, CA or Austin, TX

Duration

12-month contract

Salary Range

$78-$88 DOE

Interested?

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