Test Engineer – Laser Device Characterization & Automation Department: Research & Development (R&D;) Employment Type: Full-Time Ranovusisa semiconductor company withglobal operationshelping power the data behind nextgeneration AI and data center networks. We design and build advanced hardware that moves massive amounts of information quickly and efficiently between computer systems in data centers around the world. Our technology improves performance while reducing energy use and environmental impact, supporting the rapid growth of AI and cloud services.

We are seeking a highly motivated Test Engineer to plan, prepare, and execute electrical, optical, environmental, and reliability testing of laser chips-on-carrier (CoC) devices and related optical assemblies. The successful candidate will develop test plans, prepare samples, perform device characterization, and analyze performance and reliability data. This role will also involve developing test apparatus, implementing test automation using Python, and creating automated visual inspection processes to support product development and manufacturing.

The engineer will work closely with device engineering, packaging, qualification and reliability teams, external packaging suppliers, and third-party test providers to ensure robust characterization and qualification of new products. Test Planning and Characterization Develop test plans and characterization strategies for laser chips-on-carrier devices and related optical assemblies. Prepare and manage test samples, including tracking configurations, build history, and test requirements.

Perform electrical, optical, thermal, and environmental characterization of semiconductor laser devices.

Execute performance testing including: Wavelength and power stability testing Temperature-dependent performance testing Maintain detailed records of test procedures, conditions, and results. Support reliability programs including accelerated aging, temperature cycling, damp heat, storage, and other environmental stress testing. Analyze reliability data to identify degradation mechanisms and performance trends.

Support failure analysis investigations and root-cause determination. Test Development and Automation Design, develop, and commission test apparatus for characterization and reliability testing.



Develop automated test systems and data acquisition software using Python and related engineering tools.

Improve test throughput, repeatability, and data quality through automation and software enhancements. Integrate measurement instruments, motion systems, environmental chambers, and machine vision components into automated test platforms. Create and maintain software documentation, calibration procedures, and user guides for internally developed systems.

Automated Visual Inspection

Develop, verify, and document automated visual inspection processes for laser devices. Implement machine vision and image analysis techniques for defect detection, dimensional measurement, alignment verification, and process monitoring. Establish inspection criteria and acceptance standards in collaboration with engineering and quality teams.

Validate inspection performance through repeatability, reproducibility, sensitivity, and false-call analysis. Generate documentation supporting process qualification and manufacturing release. Supplier and External Test Coordination Interface with external packaging suppliers regarding sample preparation, technical requirements, schedules, and issue resolution.

Coordinate characterization, qualification, and reliability testing activities with external laboratories and service providers. Review externally generated test data and reports to ensure compliance with project requirements. Track sample flow, test progress, and deliverables across multiple suppliers and partners.

Data Analysis and Reporting Analyze experimental data using statistical and engineering methods. Generate technical reports and presentations summarizing test results and recommendations.Present findings to engineering and management teams. Drive continuous improvement of test methodologies, automation tools, and data analysis workflows.

Develop and improve laboratory procedures, test fixtures, and documentation. Ensure testing activities comply with quality and safety requirements.



Bachelor's degree in Electrical Engineering, Physics, Photonics, Optical Engineering, Materials Science, or a related field. ~3+ years of experience in semiconductors, photonics, optoelectronics, or laser device testing. ~ Hands-on experience characterizing semiconductor lasers or related optoelectronic devices. ~ Experience with laboratory instrumentation such as: ~ Source Measure Units (SMUs) ~ Environmental test chambers Experience with Python programming for test automation, data acquisition, or data analysis.

Ability to manage multiple technical activities and external suppliers simultaneously.

Experience with InP-based photonic devices and semiconductor lasers.

Experience developing automated test systems using Python or similar programming languages.

Experience with machine vision, image analysis, or automated optical inspection systems. Familiarity with laboratory automation, instrument control, and data acquisition systems. Knowledge of semiconductor device physics and failure mechanisms. Strong technical documentation and report-writing skills.

Personal Attributes

Effective collaborator across multidisciplinary engineering teams. Passion for developing creative test and inspection solutions. By combining hands‑on characterization, automation development, reliability testing, and machine vision inspection, you will help establish the data, tools, and processes needed to bring high-performance laser products into production.

Working closely with R&D;, qualification and reliability teams, packaging suppliers, and external test providers, you will contribute directly to the successful commercialization of cutting‑edge photonic technologies. Ranovusis an equal opportunity employer and welcomes applicants from all backgrounds and lived experiences, including those from equity deserving and underrepresented communities. We are committed to an accessible recruitment processin accordance withthe Accessibility for Ontarians with Disabilities Act.

We are committed to delivering a respectful and transparent candidate experience, with clear andtimelycommunication at every stage of the process.As a result, artificial intelligence systems may be usedto support elements of our hiring process. These tools are designed to enhance consistency and efficiency, not replace human judgment.

📌 Test Engineer - Laser Device Characterization & Automation (Ottawa)
🏢 RANOVUS
📍 Ottawa