Looking for senior AI performance modeller jobs in London with visa sponsorship? OLIX is hiring a Senior AI Performance Modeller in London.

Senior AI Performance Modeller Jobs in London: Overview
| Job Title | Senior AI Performance Modeller |
| Employer | OLIX |
| Location | London |
| Salary | £153,000–£187,000 per year plus equity and bonus |
| Job Type | Full-time, on-site |
| Experience | Senior level |
| Visa Sponsorship | Visa sponsorship and full relocation support offered |
| Closing Date | Not specified in the available job information |
About the Employer
OLIX is a London-based company building optical compute infrastructure for frontier AI inference. Founded in 2024, it designs chips, lasers and interconnects so that each stage of model inference can run on specialised hardware. The company has raised significant funding and is valued in the billions.
Job Responsibilities
- Create and own the analytical and simulation models that steer OTPU architecture and software evolution
- Build functional simulators as well as high-fidelity, cycle-accurate models of the optical compute system
- Provide insights that guide architecture and software decisions
Requirements
- Senior experience in performance modelling for complex compute systems
- Ability to build both functional and cycle-accurate simulators
- Strong analytical skills for architecture optimisation
Visa Sponsorship and International Applicants
OLIX offers visa sponsorship and full relocation support (UK and abroad) through a dedicated third-party provider. The role is based at the HQ in King’s Cross, London.
Salary and Benefits
- Starting salary from £174,000 depending on experience
- Competitive stock options
- Location bonus for those living close to the office
- Full relocation support
What you need to Know
Pros
- High salary range
- Visa sponsorship and relocation
- Equity offered
Cons
- On-site London requirement
- Salary varies by experience
- Closing date not specified
How to Apply
Apply through the Ashby job board for this OLIX role.
Browse more Technology Jobs and Visa Sponsorship Jobs on CMAJobs.







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