# Physical Design Engineer - Synth, Senior at Positron AI

- Company: Positron AI
- What the company does: About Positron AI Positron AI is building next-generation AI inference accelerators designed from the ground up for low-latency, high-throughput large language model inference. Backed by NEA.
- Company website: https://www.positron.ai/
- Type: Startups (AI role)
- Level: Senior
- Location: Remote (United States)
- Work setup: Remote
- Pay: $200K to $300K base salary per year (USD)
- Posted: 2026-09-29
- Apply by: 2026-11-23
- Apply: https://ats.rippling.com/positron/jobs/e50e9aca-27ab-40ed-8d2d-c061596bbf40?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/positron-ai-physical-design-engineer-synth-senior/

## About the role

We're looking for a Senior Physical Design Engineer - Synth to own synthesis, timing convergence, and implementation readiness for key partitions across our AI accelerator roadmap. This is a hands-on engineering role responsible for turning high-quality RTL into implementation-ready netlists, developing and maintaining timing constraints, and driving physical-aware optimization in close collaboration with RTL designers and backend implementation partners. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- 8+ years of ASIC implementation experience, including at least two successful tapeouts
- Strong hands-on proficiency in synthesis and flow development
- Proven experience closing timing on complex, multi-million-gate designs
- Deep working knowledge of Cadence Genus and/or Synopsys Design Compiler
- Strong SDC expertise, including constraint development and MMMC environments
- A solid grasp of RTL design principles and implementation-friendly coding practices

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/positron-ai-physical-design-engineer-synth-senior/