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 Senior Physical Design Engineer at Lightmatter will focus on implementing complex digital blocks for high-performance ASICs, utilizing advanced process nodes such as 3nm. Daily responsibilities include driving timing closure, power integrity, and physical verification, as well as collaborating with a team of scientists and engineers to optimize systems and tackle innovative challenges in the photonics industry.
- benefits
- 5/5
- freshness
- 1/5
- career value
- 5/5
- 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
- Bachelor’s in Electrical Engineering or Computer Engineering
- 12+ years of industry experience working as a Physical Design Engineer
- Must have completed blocks or top level physical design for large ASICs or mixed signal chips that taped out
- Thorough knowledge of timing closure, LVS/DRC closure
- Experience in TCL and Python (or other scripting languages)
- Strong teamwork skills with the ability to collaborate with multiple functional teams across a variety of fields
Nice to have
- Masters Electrical Engineering or Computer Engineering with 8 years of industry experience
- Hands-on experience with Cadence tools
- Tape-out experience 3nm designs
- Be willing to do manual layouts as well as willingness to learn and do silicon photonics layout
- EM/IR analysis using standard industry signoff tools
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
- Salary range provided is quite broad, indicating potential variability based on negotiation or experience.
- Role involves working with cutting-edge technology in a fast-paced environment, which may require adaptability to rapid changes.
- No specific mention of work-life balance beyond flexible workplace model, which may vary by team.
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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