Lumilens
Direct Ashby career site

MMIC Design Engineer

Location
San Jose, CA · On-site
Job type
Full-time
Level
Senior
Experience
3+ years
Education
Master's degree
Listed
14 days ago

Skills & highlights for this role

  • Analog IC design
  • High-speed or advanced process node design
  • Cadence EMX
  • Cadence Virtuoso Studio
  • Cadence Spectre
  • Quantus QRC
  • Voltus-XFi/EMIR
  • Calibre
  • Synopsys HSPICE/PrimeSim
  • Cadence SKILL
  • Perl
  • Unix shell scripting
  • DC-to-tens-of-GHz analog design
  • Device physics

Also useful

  • Optical interconnect circuit design (laser/modulator drivers, TIAs)
  • Tapeout experience in advanced CMOS or SiGe BiCMOS
  • High-frequency lab measurement (VNA, sampling oscilloscope, BERT)
  • High-speed package and board co-design
  • Signal integrity and transmission line modeling
  • Cross-international team collaboration

Position Overview

We are seeking an experienced MMIC Design Engineer to design and develop high-speed analog and monolithic microwave integrated circuits that power Lumilens’ next-generation photonic interconnects. This role will own circuit design from concept through tape out and silicon validation, covering DC-to-tens-of-GHz performance, EM modelling, parasitic extraction, and signoff on advanced process nodes. You will partner closely with photonics, layout, CAD, and test teams to deliver robust, high-performance silicon across multiple programs.

What You'll Do

  • Design and develop high-speed analog and MMIC circuits, including amplifiers, drivers, TIAs, and related building blocks operating from DC to tens of GHz.
  • Own the full design cycle from architecture and schematic design through simulation, layout guidance, tape out, and silicon validation.
  • Perform EM modelling and simulation of passives, interconnects, and critical structures using Cadence EMX and related tools.
  • Run parasitic extraction, EM/IR, and reliability analysis using Quantus QRC and Voltus-XFi to ensure design robustness and signoff readiness.
  • Simulate and verify designs using Spectre and Synopsys HSPICE/PrimeSim across process, voltage, and temperature corners.
  • Partner with layout engineers to optimize floorplans and minimize parasitic and EM effects, and complete physical verification with Calibre.
  • Develop automation and scripts in Cadence SKILL, Perl, and Unix shell to streamline design, simulation, and verification workflows.
  • Collaborate with photonics, systems, and test teams to define specifications, support lab characterization, and correlate measurements to simulation.

What You'll Bring

  • MS or PhD in Electrical Engineering or a related field.
  • 5+ years (MS) or 3+ years (PhD) of analog IC design experience, with high-speed or advanced process node experience. 10+ years of EDA experience for senior roles.
  • Proficiency in Cadence EMX, Virtuoso Studio, Spectre, Quantus QRC, Voltus-XFi/EMIR, Calibre, and Synopsys HSPICE/PrimeSim.
  • Strong understanding of DC-to-tens-of-GHz analog design, device physics, parasitics, EM effects, and high-frequency analysis.
  • Skill in Cadence SKILL, Perl, and Unix shell scripting for automation.
  • Excellent communication, teamwork, problem-solving, and multitasking abilities.

Nice-to-Haves

  • Experience designing circuits for optical interconnects, such as laser and modulator drivers or TIAs.
  • Tapeout experience in advanced CMOS, SiGe BiCMOS, or similar high-frequency process technologies.
  • Hands-on lab experience with high-frequency measurement equipment such as VNAs, sampling oscilloscopes, and BERTs.
  • Familiarity with high-speed package and board co-design, including signal integrity and transmission line modelling.
  • Experience working with engineering teams across multiple international locations.

Comprehensive benefits package including health insurance

  • Professional development opportunities and certification support
  • Access to cutting-edge technology and cloud platforms
  • Collaborative work environment with cross-functional teams

About Lumilens

At Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing faster, cooler, and massively more efficient.

We’re a well-funded startup backed by Mayfield and led by industry’s veterans who’ve built and scaled some of the most transformative technologies in the industry. This isn’t incremental innovation, it’s a ground-floor opportunity to rethink the optical layer from the silicon up. You’ll work alongside a team of world-class engineers solving some of the hardest challenges in optics, systems, and scale. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow.

If you're looking for mission, momentum, and the chance to make an outsized impact jump on the rocket ship. We’re just getting started.

Why Join Us?

Competitive salary commensurate with experience

Read the original posting

From Lumilens's careers page, first listed on Rolev.ai on October 26, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the MMIC Design Engineer job at Lumilens located?

This MMIC Design Engineer position at Lumilens is located in San Jose, CA (On-site). Always check Lumilens's application page for specific state eligibility or relocation policies.

What qualifications are required for MMIC Design Engineer at Lumilens?

For the MMIC Design Engineer role, Lumilens highlights 3+ years of relevant experience; a master's degree; experience with Analog IC design, High-speed or advanced process node design, Cadence EMX, Cadence Virtuoso Studio, Cadence Spectre, Quantus QRC. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the MMIC Design Engineer position at Lumilens?

This listing links directly to Lumilens's Ashby application page. You can apply directly on Lumilens's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Ashby application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.