> Markdown version of [/jobs/ext/4635789-system-test-and-characterization-engineer](https://www.wearedevelopers.com/jobs/ext/4635789-system-test-and-characterization-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System test and characterization engineer - **Company:** Avicenatech, Corp. - **Location:** Sunnyvale, CA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Data Analysis, Ethernet, Python (Programming Language), Schematic Capture, System Testing, Visual Systems, Application Specific Integrated Circuits - **Published:** November 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/system-test-and-characterization-engineer-sunnyvale-ca--6b76a261-6c8f-4b55-9ba2-96e48e5d7aee ## About the Role System Test, System Test, Receivers, Optoelectronics, Link Performance, Team Lead/Manager, Optical Engineering, Performance Metrics, Optical Transceivers, Systems Maintenance, * MS or PhD in electrical engineering or physics with 3+ years of experience * Expertise with optical transceiver circuits such as Trans-impedance Amplifier (TIA), laser/led drivers and photodetectors * Familiarity with datacenter class optical module designs for Quad Small Form-factor Pluggable Octal Small Form Factor Pluggable (QSFP)/(OSFP) form factor pluggable modules or emerging Near-Packaged Optics (NPO) or Co-Packaged Optics (CPO) approaches. * Experience with optical transceiver test methodologies * Familiarity with industry standards including IEEE Ethernet standards, OIF standards and MSAs, * Ability to work cross-functionally with ASIC, packaging and optical design teams and provide clear technical inputs * Strong verbal and written communication skills, and ability to articulate and engage with both technical and non-technical stakeholders at all levels * Ability to code scripts in python for validation and data analysis * Working knowledge of high-speed test instruments such as VNAs, sampling and real time oscilloscopes and spectrum analyzers * Hands-on lab experience especially with probed/free space coupled (using stages) optical systems ## Description * Lead a team of engineers to characterize optical transmitters, optical receivers and link performance of highly parallel opto-electronic interfaces. * Develop and maintain optical transmission system testing bed for full characterization of optical components and modules as well as system performance measurements. * Define and run link DOEs using uLED on ASIC transmitters, fiber bundle as transmission and PD on ASIC as receivers. * Characterize various aspects of both existing and potential future optical components such as evaluating signal-to-noise ratio (SNR), receiver sensitivity, bit-error-rate (BER), crosstalk, power consumptions and link budget of the transmission system * Work with PCBA design engineers to design, fabricate and bring up test boards. Experience in schematic capture, circuit simulation and PCB design guidance