# Sr. Staff Physical Design Timing Engineer (STA) at Lightmatter

- Company: Lightmatter
- What the company does: Rethinking the limits of AI, Lightmatter merges photonics and computing to build a future where speed, efficiency, and intelligence converge. Backed by GV.
- Company website: https://lightmatter.co
- Type: Startups
- Level: Senior
- Location: Boston, MA
- Work setup: On-site
- Posted: 2026-06-09
- Apply by: 2026-10-08
- Apply: https://boards.greenhouse.io/lightmatter/jobs/5099034008?gh_jid=5099034008
- Page: https://www.1752.vc/careers/jobs/lightmatter-sr-staff-physical-design-timing-engineer-sta-2/

## About the role

We are hiring a Physical Design Timing Engineer to help drive backend digital execution for some of the leading photonics based interconnect solutions. You will work alongside a team of world-class scientists and engineers in defining how the system will be optimized and trailblaze problems that are new to the industry. If your passion is innovation, solving challenging technical problems and doing impactful work you should join our team.

## What they're looking for

- Bachelor’s degree in Electrical Engineering or Computer engineering
- 12 years of Physical Design experience, with a minimum of 5 years hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools
- Experience in driving timing closure by effectively managing on-chip variation derates, optimizing multi-mode multi-corner constraints, and implementing robust clock tree building strategies
- Well versed with scripting languages like TCL and Python, PERL, or Shell
- Strong problem solving skills with attention to every technical aspect
- Be a strong team player with clear and precise communication skills

Tags: Photonics & Silicon Engineering