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Lightmatter

Principal Digital (mixed-signal) Architect

Lightmatter · Boston, MA; Mountain View, CA

Posted about 3 months ago

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

Is this posting real?

This role has been open
81 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

The Principal Digital Architect at Lightmatter will lead the digital architecture for high-speed photonic communication chips, overseeing the project from concept to production. This role involves collaborating with various teams, including external customers and vendors, to define product and technology roadmaps while ensuring successful integration of digital and analog circuits. The architect will also be responsible for authoring technical documents and validating designs against specifications.

Our read on this posting3.0out of 5
benefits
5/5
freshness
1/5
career value
4/5
role clarity
5/5
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

  • 12+ years of experience in Electrical or Computer Engineering
  • In-depth knowledge of power-efficient digital design flow for high-speed AMS electronics, preferably on photonic communication channels
  • Proven track record of delivering successful high-volume silicon in the market
  • In-depth knowledge of digital circuit design in a high-speed analog/photonic link, including device bring-up, control, and digital signal processing
  • Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions
  • Demonstrated strong customer communication skills with timely responses and consistently positive feedback

Nice to have

  • Understanding of SerDes PCS layer and equalization along with forward error-correction schemes
  • Ability and desire to collaborate in a cross-disciplinary team
  • Power user of multiple development tools, including CAD tools, SPICE simulators, IBIS-AMI simulators, and general programming languages (e.g., MATLAB or Python)
  • Willing and able to learn quickly
  • Self-starter with a 'no task is too big or small' attitude

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 flexibility beyond hybrid model
  • Salary range provided but no specific details on how compensation is determined beyond location and experience
  • 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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