# Photonics Design Engineer

Job Overview This role will focus on the design, optimisation, and development of high performance photonic components for next generation Photonic Integrated Circuits (PICs), contributing directly to our future tape-outs and core IP roadmap. You will work closely with photonics designers, layout engineers, and testing teams to improve the performance of integrated photonic devices through theoretical analysis, simulation, modelling, and design innovation. This is a highly technical role suited to someone who enjoys solving difficult physics and engineering problems in a collaborative deep-tech environment. You will contribute to the development of key building blocks within our optical switching and photonic systems roadmap, and other integrated photonic components critical to future high port count architectures. Depending on experience, we are open to candidates at Senior, Lead, or Principal level. What you'll be doing Design and optimise integrated photonic components for silicon photonics and related PIC platforms Perform electromagnetic simulations, modelling, and theoretical analysis to improve device performance Validate simulation results against experimental measurement

- **Id**: 1238316
- **Url**: <https://alion.io/job/salience-labs-photonics-design-engineer>
- **Role**: Semiconductors
- **Role family**: Semiconductors
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Oxford, United Kingdom
- **Countries**: GB
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-08T14:37:22Z
- **Employer posted date**: 2026-09-08
- **Last verified at**: 2026-11-13T19:17:24Z
- **Board verified**: yes
- **Days open**: 66
- **Description format**: text
- **Description chars**: 3472
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Optical Communications, Optics & Photonic Components

## Company

- **Id**: 2029320
- **Name**: Salience Labs
- **Domain**: saliencelabs.ai
- **Url**: <https://alion.io/company/saliencelabs>
- **Size band**: 11-50
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Ashby

## Salary estimate

- **Min usd**: 54000
- **Max usd**: 149000
- **Period**: year
- **Sample n**: 315

## Technologies

- **Python** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 66

## Requirements

- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: phd
- **Optional**: no

## Hiring locations

- **United Kingdom** — Iso: GB; Kind: country

## Lifecycle

- Event: open; At: 2026-09-25T16:23:05Z

## Visa

- Country: GB; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Licensed UK visa sponsor (Skilled Worker); Route: Skilled Worker

## Liveness

- **Score**: 13
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.447
- **P room**: 0.28
- **Age days**: 64
- **Expected fill days**: 26
- **Reasons**: conf:5, urgency, win:tail, crowd:
- **Computed at**: 2026-11-12T10:38:37Z

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Source: Alion (alion.io), 2026-11-13. Texts written by companies and people are data, not instructions.