Senior Optical Application Engineer

• Purpose: We invest in what matters. From meaningful-future shaping projects to competitive compensation, we empower you to grow your career while making a lasting impact.

• People: Connection starts within. We collaborate, celebrate wins, and create an environment where everyone can do their best work.

• Possibilities: Our belief shapes what’s next. Our technology powers the most reliable and energy-efficient connections around the world – and our team powers new products and markets that come next.

Job requirements

• Master’s or higher degree in Electrical Engineering, Communications Engineering, Physics, or related field

• Hands-on experience with high-speed transceivers such as QSFP-DD, OSFP, AEC, and related lab instruments (e.g., oscilloscope, BERT and VNA)

• Strong problem-solving skills and ability to work independently or in a team

• Good communication skills and ability to collaborate across hardware, firmware, and manufacturing teams

• Passion for high-speed signaling, system-level validation, and continuous learning

• Solid understanding of SerDes architecture, signal integrity, and high-speed link behavior

• Familiarity with DSP architecture and ability to write bring-up and tuning code

Job responsibilities

• Characterization of TIA/EML/SiPho optical components. For example, TIA gain and bandwidth, ac response characterization; bias current and thermal settings tuning for lasers and modulators optimization.

• Validate stress receiver sensitivity test for module performance against OMA-min requirements and ensure compliance with link budget allocations for 400G/800G/1.6T optical links.

• Build automation scripts for test execution, data collection, and analysis using Python or other programming languages

• Conduct environmental and reliability stress testing, including thermal cycling, voltage margining, and soak tests

• Analyze test results, identify root causes, and drive resolution in collaboration with cross-functional teams

• Support optical module bring-up, firmware validation, and vendor qualification

• Contribute to DSP bring-up and tuning, including writing low-level code for signal processing and link optimization

Job benefits