Principal System Engineer

**Job Title** Principal System Engineer **Avicena** is a privately held company developing microLED based ultra-low power high bandwidth interconnects for chip-to-chip communications. This technology will revolutionize High-Performance (HPC) and Cloud computing, as well as other industries where low power interconnects are critical like camera sensors, autonomous vehicles, and aerospace. Avicena is headquartered in Sunnyvale, California with a development center in Edinburgh, Scotland. The company was founded in 2019 by leading technologists from the optical networking industry with a track record of delivering breakthrough products. (www.avicena.tech) **Responsibilities** - 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 **Desired Qualifications and Experience** - MS or PhD in electrical engineering or physics with 6+ 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 **Preferred** - 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