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About the Role

Level Zero is seeking an Optical Design / Camera Systems Engineer to design, prototype, and industrialize the optical sensing and imaging systems for their wearable medical devices. This role involves taking optical concepts from simulation through manufacturing, delivering miniaturized camera, illumination, and detection systems for accurate measurements in a compact device. It's a hands-on position at the intersection of optical design, imaging, optomechanics, and medical product development.

Responsibilities

Own the design and development of optical and camera subsystems, including image sensors, lenses, illumination sources, filters, and light guides.
Design compact, highly integrated optical systems that fit within tight size, power, and thermal constraints.
Model and simulate optical systems using ray-tracing and optical design tools.
Specify, select, and qualify camera modules, image sensors, LEDs, photodetectors, and optical components.
Design optomechanical assemblies, including lens mounts, alignment features, and moulded optics.
Define image quality and optical performance requirements linked to the underlying biosensing measurement.
Develop calibration methods, alignment processes, and optical test fixtures for development and production.
Develop, refine, and execute verification test methods to evaluate optical performance and reliability.
Plan and conduct engineering testing, analyze results, and iterate designs based on data.
Work with software and data teams to define image acquisition, processing, and analysis pipelines.
Lead optical investigations, identify root causes of failures, and implement effective design improvements.
Apply human-centred design practices, ensuring optical performance remains robust across real-world use, users, and wear conditions.
Work closely with external suppliers, camera module manufacturers, and optical component vendors to develop production-ready designs.
Create detailed design specifications, engineering requirements, and optical architecture documentation.
Balance optical performance, size, power, usability, reliability, manufacturability, and cost throughout the design process.
Contribute to early-stage R&D, collaborating with engineering leadership and the science team to define and refine future sensing and design iterations.

Requirements

Master's degree or PhD with 3+ years of industry experience in optics, photonics, physics, optical engineering, electrical engineering, or a related discipline.
Experience developing optical or camera systems for medical devices, wearables, consumer electronics, or other compact products.
Experience designing miniaturized optical systems or integrating compact camera modules.
Strong proficiency with optical design and simulation tools (e.g., Zemax OpticStudio, Code V, LightTools, Ansys Speos, or similar).
Solid understanding of image sensors, camera architectures, and imaging performance metrics (MTF, SNR, distortion, dynamic range).
Experience with illumination design, including LED selection, light guides, diffusers, and optical filters.
Experience performing optical tolerance analysis and designing for manufacturability and alignment.
Experience designing or specifying optomechanical assemblies, with an understanding of engineering drawings and GD&T.
Experience creating and refining optical test methods, calibration procedures, and verification plans.
Experience working with external suppliers, camera module manufacturers, and optical component vendors.
Proficiency in Python or MATLAB for data analysis, image analysis, and test automation.
Experience with DFMEA and structured engineering risk management.
Proven ability to troubleshoot optical and imaging problems using structured root cause analysis.
Experience creating engineering documentation including design specifications and product requirements.
Strong communication skills and ability to work within multidisciplinary engineering teams.
Comfortable taking ownership of significant subsystems while working with appropriate technical guidance.
Experience with optical biosensing techniques, such as fluorescence, colorimetric, absorbance, or reflectance-based detection.
Experience with point-of-care diagnostics or lateral flow readers.
Experience designing wearable medical devices.
Knowledge of ISO 13485, ISO 14971, IEC 60601, or IEC 62471 (photobiological safety).
Experience with verification and validation (V&V) testing.
Experience with moulded polymer optics or wafer-level optics.
Experience with image processing, computer vision, or machine learning for image analysis.
Experience with active alignment and camera module production processes.
Familiarity with Design of Experiments (DOE) and statistical data analysis.
Experience supporting pilot builds, manufacturing scale-up, and production transfer.
Prior work in a start-up or small company environment.
Prior work in medical device development.

Skills

Optical Design
Camera Systems Engineering
Image Sensors
Lenses
Illumination Sources
Filters
Light Guides
Ray-tracing
Optical Design Tools
Zemax OpticStudio
Code V
LightTools
Ansys Speos
Image Sensors
Camera Architectures
MTF
SNR
Distortion
Dynamic Range
Illumination Design
LED Selection
Light Guides
Diffusers
Optical Filters
Optical Tolerance Analysis
Design for Manufacturability
Alignment
Optomechanical Assemblies
Engineering Drawings
GD&T
Optical Test Methods
Calibration Procedures
Verification Plans
Python
MATLAB
Data Analysis
Image Analysis
Test Automation
DFMEA
Risk Management
Root Cause Analysis
Design Specifications
Product Requirements
Communication Skills
Multidisciplinary Teamwork
Optical Biosensing
Fluorescence
Colorimetric Detection
Absorbance Detection
Reflectance Detection
Point-of-Care Diagnostics
Lateral Flow Readers
Wearable Medical Devices
ISO 13485
ISO 14971
IEC 60601
IEC 62471
Verification and Validation (V&V)
Moulded Polymer Optics
Wafer-Level Optics
Image Processing
Computer Vision
Machine Learning
Active Alignment
Camera Module Production
Design of Experiments (DOE)
Statistical Data Analysis
Manufacturing Scale-up
Production Transfer
Startup Environment
Medical Device Development

Work Type

Full-time

Experience Level

3+ years of industry experience

Education Level

Master's degree or PhD

Benefits

Competitive salary
Equity options
Collaboration with founding team
Access to industry experts and thought leaders
Opportunities for leadership
Career advancement
Exploration opportunities
Travel to New York and other potential sites for R&D purposes
Working on cutting-edge technology
Shaping strategic decisions
Driving innovation at an early-stage venture

About the Company

Level Zero is pioneering next-generation biosensor technology for precise, real-time monitoring of critical endocrine biomarkers.
Recognized as one of the top 20 startups worldwide at TechCrunch Disrupt 2024.
Backed by top-tier organizations like SOSV and Entrepreneur First.
Pushing the boundaries of biochemistry and nanotechnology to revolutionize personalized health.
Founded by two seasoned engineers with extensive experience in R&D, technical innovation, and commercial strategy.
Mission: To revolutionize health management by delivering clinical-grade data directly to individuals.
Assembling the best team to turn cutting-edge science into life-changing, real-world solutions.