Lightmatter
Analog/Mixed Signal Architect
$149K–$216K
Boston, MA +4 · Full-time · Posted Jul 14, 2026
- Location
- Boston, MA
Mountain View, CA
Boston, MA
Mountain View, CA
Toronto, ON - Education
- PhD in electrical engineering, physics, applied physics, or a discipline related to analog design.
- Visa sponsorship
- Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.
About the job
Architects high-speed analog and mixed-signal solutions for optical transceivers and photonic interconnect products, defining and validating specifications with cross-disciplinary teams.
What you'll do
- Propose solutions for 50G-and-beyond AMS circuit blocks, including drivers, TIAs, equalizers, ADC/DACs, PLLs, and CDRs.
- Work with analog and photonics teams on performance, power, and area estimates and high-bandwidth photonic interconnect solutions.
- Author, review, and validate architectural specifications.
What they ask for
- PhD in electrical engineering, physics, applied physics, or a discipline related to analog design.
- Experience designing and testing optical front-end receivers and transmitters and related circuits in advanced CMOS.
- Power user of Cadence Virtuoso, Cadence Spectre, Verilog-A, and IBIS-AMI simulators.
- Ability to collaborate across disciplines; strong written and communication skills and problem-solving skills.
Nice to have
- Understanding of signal processing and signal integrity in optical communication.
- Experience with silicon photonic devices, including Mach-Zehnder and microring modulators and thermally tuned components.
Pay
$149,000 — $216,500 USD (total compensation; base salary range is not specified as an amount)
Tools
Cadence Virtuoso, Cadence Spectre, Verilog-A, IBIS-AMI, advanced CMOS, TIAs, CTLE, DFE
AI focus
Architects AMS solutions for optical transceivers and photonic interconnects used in AI computing infrastructure.
Model-written summary · the original posting is authoritative