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DesignOn-siteSenior

Senior/Principal Physical Design Engineer

Fractile · Bristol and London

Fractile designs new chips and systems to run frontier AI models at thousands of tokens per second, and has raised $220M from backers including Founders Fund and Accel. This Senior or Principal Physical Design Engineer takes its chip designs from synthesis through to sign-off, with scope to own the full chip.

Apply on Fractile
Company
Fractile
Where
Bristol and London
Function
Design
Posted
1 week ago
Seniority
Senior
Work mode
On-site
Categories
DesignAI & MLDeepTechSaaS

The role

What you’ll do

  • Lead physical implementation: floorplanning, placement, clock trees, routing and sign-off
  • Close timing and optimise power, performance and area
  • Handle power planning, IR drop, DRC and LVS checks
  • Work with RTL, DFT and foundry teams on feasibility and manufacturability

What you’ll need

  • Eight or more years of physical design on advanced nodes such as 7nm or 5nm
  • Strong command of EDA tools like Innovus, Fusion Compiler and Calibre
  • Expertise in timing closure, signal integrity and low-power design
  • Scripting in TCL, Perl or Python

Good to know: The ad lists London. Equity, private medical, dental and vision cover, and 25 days' holiday plus bank holidays. Some roles may need export-control eligibility checks.

Events for people in this role

Bristol events that suit this role. We haven't seen Fractile confirmed at these.

Mon30NovumBristol Talks - November 2026 true digitalDesign eventSaaS event
Mon16NovDesign Truth / Bristol Tobacco Factory TheatresDesign event
Wed25NovCoding Agents in Practice: Shipping Faster Without Shipping Worse AccentureAI & ML eventSaaS event
Wed2DecTwo Technologies, No Playbook: Governing the Quantum-AI Convergence Sloane Robinson BuildingAI & ML eventDeepTech event
Wed2DecBristol Data Intelligence Network | Meetup | Dec 2026 DeskLodge HouseAI & ML eventSaaS event

About Fractile

DeepTech, AI & ML and SaaS. Backed by Accel (London), Kindred Capital and Oxford Science Enterprises. Stage: series_unknown.

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We list roles from VC-backed companies and link straight to the employer's own ad. An Open Room is not the employer and does not handle applications.