# Sr. Physical Design Engineer at Lumilens

- Company: Lumilens
- What the company does: Backed by Redpoint.
- Company website: https://lumilens.com/
- Type: Startups
- Level: Senior
- Location: San Jose
- Work setup: On-site
- Posted: 2026-07-10
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/lumilens/b4d999d6-de08-4245-aa76-b233dba95dbe
- Page: https://www.1752.vc/careers/jobs/lumilens-sr-physical-design-engineer/

## About the role

We are seeking a Senior Physical Design Engineer to join our silicon design team developing high-performance ASIC using TSMC advance process nodes, including 5nm and 3nm. In this role, you will own physical implementation from RTL to GDSII, drive timing and power closure for ultra-high-speed designs, and work closely with RTL, STA, IP, and verification teams to solve complex implementation challenges unique to advanced-node and high-speed transceiver architectures.

## What they're looking for

- Education: Bachelor’s or Master’s degree in Electrical Engineering, Electronics Engineering, or a related field
- Experience: 8+ years of hands-on physical design experience, preferably with advanced technology nodes at 5nm or below
- Physical Design Expertise: Strong experience with floorplanning, placement, CTS, routing, IR drop mitigation, timing closure, and signoff debugging
- Tools and Automation: Hands-on experience with tools such as Synopsys ICC2, RedHawk SC, Cadence Innovus, Voltus, Simens Calibre etc, along with strong scripting skills in Tcl, Python, or Perl
- High-Speed PHY Implementation: Experience with high-speed PHY such as SerDes, UCIe etc physical design implementation
- Advanced-Node Signoff: Familiarity with EM/IR analysis, power grid optimization, congestion analysis, physical verification, and tapeout signoff in advanced semiconductor process nodes

Tags: Engineering