Lightmatter · 2 months ago
Analog/Mixed Signal Architect
Boston, MA
Full-time
Hybrid
Senior Level
$200K/yr - $280K/yr
5+ years expLightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. As an Analog Architect, you will spearhead innovative analog and mixed-signal solutions and collaborate closely with engineering teams to transition ideas into high-volume production.
AI InfrastructureArtificial Intelligence (AI)Data CenterMachine LearningSemiconductorSoftware
Responsibilities
Architect high-speed (200Gbaud and beyond) electro-optical interfaces for Lightmatter’s next-generation co-packaged optics (CPO) solutions
Design next-generation high-speed DACs, linear drivers and TIAs in the latest FinFET process nodes
Actively collaborate across disciplines—with electronics, photonics, and mechanical engineering teams—to specify the requirements and solutions for circuit blocks, SoCs, debug, and validation
Collaborate with the product team to develop our future technological and product roadmap in the context of industry trends
Work closely with test and validation engineers to validate hardware against simulation prediction to ensure high performance and high yield
Publish and present novel ideas and participate in premier technical conferences
Qualification
Required
A Ph.D. degree in Electrical Engineering or similar discipline with at least 5+ years of experience of designing high-speed analog circuits in TSMC N3/N5/N7
Hands-on experience in high-speed SERDES design in advanced process nodes (7nm and below)
Deep technical background and a proven track record of innovation in their area of expertise
Strong understanding of how the layout impacts the SERDES performance
Familiarity with analyzing the impact of package and PCB on SERDES performance
Familiarity with UCIe, PAM4, and other high-speed SerDes
Strong background with using circuit and electromagnetic simulation tools needed for high-speed mixed-signal circuit design: Cadence virtuoso, Verilog-A, EMX or equivalent tools
Benefits
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
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)
Company
Lightmatter
Lightmatter develops photonic chips that enable data processing and communication using light instead of electricity.
201-500 employees
H1B Sponsorship
Lightmatter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (21)
2024 (12)
2023 (5)
2022 (4)
2021 (4)
2020 (4)
Funding
Current Stage
Late StageTotal Funding
$822MKey Investors
T. Rowe PriceViking Global InvestorsGoogle Ventures
2024-10-16Series D· $400M
2023-12-19Series C· $155M
2023-05-31Series C· $154M
Leadership Team
Nicholas Harris
Founder, CEO
B
Bob Turner
Sr. VP Sales & Solution Architecture
Recent News
2025-11-23
2025-10-09
Company data provided by crunchbase