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Lightmatter

Signal Integrity Engineer

Lightmatter · Mountain View, CA

Posted about 2 months ago

or apply directly on Lightmatter's site. We never take the application ourselves.

Is this posting real?

This role has been open
65 days
Lightmatter's roles stay open a median of 82 days
Reposted
No
Salary listed
No
10% of Lightmatter's roles list one
Ghost-job risk at Lightmatter
high
63 stale, 0 reposted of 63 open
Hiring momentum
85 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from Lightmatter's own greenhouse board since 2026-08-03. Full hiring picture for Lightmatter.

About this role

As a Signal Integrity Engineer at Lightmatter, you will be responsible for driving the development of next-generation products by executing signal integrity engineering tasks for high-speed interfaces. Your role involves analyzing channel characteristics, performing simulations, collaborating with cross-functional teams, and conducting detailed measurements to ensure adherence to signal integrity goals. Additionally, you will document and communicate your findings to various stakeholders.

Our read on this posting3.4out of 5
benefits
5/5
freshness
4/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Lightmatter as an employer.

What you need

  • B.S. or M.S. degree in Electrical Engineering or relevant field
  • Minimum of 5 years of related experience
  • Robust professional knowledge in signal integrity analysis for high-speed interfaces
  • Proficiency in simulation and analysis tools for signal integrity, including Ansys Siwave, HFSS & Keysight ADS
  • Strong understanding of transmission line theory, impedance matching, and equalization techniques
  • Knowledge of signaling protocols for high-speed interfaces, including SerDes and UCIe

Nice to have

  • Strong problem-solving and debugging skills for signal integrity-related issues
  • Understanding of CMOS process technologies and their impact on signal integrity
  • Demonstrated ability to network with new stakeholders and collaborate effectively across teams
  • Ability to work independently, utilizing best judgment to select appropriate courses of action

What you get

  • Comprehensive Health Care Plan (Medical, Dental & Vision)
  • Retirement Savings Matching Program
  • Life Insurance (Basic, Voluntary & AD&D)
  • Generous Time Off (Vacation, Sick & Public Holidays)
  • Paid Family Leave
  • Short Term & Long Term Disability

Worth weighing

  • No specific mention of remote work options outside of a hybrid model
  • Salary range provided but may vary based on experience and location
  • Requires compliance with U.S. export control laws

Summarised from Lightmatter's posting. Read the full original.

Listed by Lightmatter on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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