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Salience Labs

Photonic tensor processing for AI workloads

Opto-Mechanical Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeOxford, UKNo salary listed

About the Job

Requirements

  • Proficiency in SolidWorks for mechanical design and drafting, with 2 or more years of hands-on experience.
  • Experience with Zemax or similar optical design and simulation software, with 2 or more years of hands-on experience.
  • Solid understanding of optics fundamentals, including alignment, tolerances, beam propagation, and focusing.
  • Some industrial, internship, or substantial project experience in opto-mechanical, mechanical, or optical engineering.
  • Ability to perform tolerance stack-up analysis for optical and mechanical systems.
  • Comfort working hands-on in laboratory and prototyping environments, with hands-on laboratory or manufacturing experience.
  • Ability to travel to vendor sites to transfer knowledge and troubleshoot problems.

Responsibilities

  • Design opto-mechanical components and assemblies, including mounts, housings, brackets, and alignment stages, using SolidWorks.
  • Model and analyze optical systems and tolerances using Zemax.
  • Translate optical design requirements into manufacturable mechanical designs.
  • Perform tolerance analysis to ensure optical alignment and performance across manufacturing variation.
  • Build and test prototypes to validate opto-mechanical designs against optical performance targets.
  • Support fibre-to-chip and free-space alignment integration for photonic assemblies.
  • Work with the manufacturing team and vendors to ensure designs are suitable for production and assembly.
  • Investigate and resolve mechanical or thermal issues affecting optical performance, including misalignment, drift, and stress-induced effects.
  • Create and maintain design documentation, drawings, and version-controlled files.
  • Collaborate with suppliers on machining, coatings, and assembly processes.
  • Support root cause analysis for opto-mechanical failures identified in testing or field use.

Desired Qualifications

  • Experience with photonic or semiconductor packaging and assembly.
  • Familiarity with fibre alignment, free-space optics, or laser-based systems.
  • Experience with thermal or structural analysis using finite element analysis as it relates to optical performance.
  • Exposure to manufacturing or production environments.
  • Understanding of Geometric Dimensioning and Tolerancing and its application to precision optical assemblies.
  • Familiarity with material selection for optical and thermal stability.

About the Company

Salience Labs

Photonic tensor processing for AI workloads

Salience Labs designs and builds photonic-based processors to boost AI computing power while reducing energy use. Its main product is a massively parallel, ultra-high-throughput tensor processing chip that uses light for computation, aiming to overcome bottlenecks in data transfer and processing that limit traditional electronic AI chips. The chip, built with silicon photonics, enables faster AI workloads by performing tensor operations in the optical domain, improving bandwidth and efficiency for data centers. Compared with electronic AI hardware, Salience Labs focuses on photonics to deliver higher throughput and lower power per operation, targeting AI and data center customers with specialized chip design and manufacturing. The company’s goal is to enable scalable, energy-efficient infrastructure to support larger and more capable AI models and workloads.

Company size
51-200
Company stage
Series B
Total funding
$170.6M
Headquarters
Milton, United Kingdom
Founded
2020

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