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
As a Principal Digital Architect at Lightmatter, you will lead the architecture of high-speed photonic communication chips, collaborating with both internal engineering teams and external customers. Your responsibilities include defining digital circuit architecture, creating technical documentation, and ensuring successful product development from concept to production. You will also represent the company at technical conferences and work closely with various teams to develop product roadmaps and validate designs.
- 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
- Innovative and flexible; realizes that a one-size-fits-all approach will not always solve the problem at hand
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 the technology stack or tools used in the role
- Salary range provided is broad and may vary significantly based on experience and other factors
- The role requires collaboration with customers and vendors, which may involve travel or external engagements
- The position emphasizes a strong preference for experience in photonic circuits, which may limit candidates without this background
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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