or apply directly on Lightmatter's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 30 days Lightmatter's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 10% of Lightmatter's roles list one
- Ghost-job risk at Lightmatter
- high 45 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
- 2026-09-17
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 Mixed-Signal Validation Engineer at Lightmatter, you will validate the architecture of mixed-signal circuits for the Passage product line, collaborating closely with various engineering teams. Your responsibilities will include specifying system-level designs, validating hardware against simulations, and influencing product definitions and methodologies. This role requires a solid understanding of mixed-signal digital architecture and the ability to work in a cross-disciplinary team environment.
- benefits
- 5/5
- freshness
- 4/5
- 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
- MS in Electrical Engineering or a related field
- 7+ years of relevant experience
- In-depth knowledge of design flows for AMS electronics, preferably on photonic communication channels
- Proven track record of delivering successful high-volume silicon to market
- Thorough understanding of the silicon product development flow
- In-depth knowledge of mixed-signal circuit design in a high-speed analog/photonic link
Nice to have
- Understanding of SerDes PCS layer and equalization
- Power user of development tools, including AI agents, CAD tools, SPICE simulators, IBIS-AMI simulators, and programming languages (e.g., MATLAB or Python)
- Experience in optical link bring-up and debug
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 salary figure mentioned, only a range provided
- The role involves complex problem-solving, which may require a steep learning curve
- The position requires collaboration across multiple technical disciplines, which could be challenging for some candidates
Summarised from Lightmatter's posting. Read the full original.
Listed by Lightmatter on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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