Principal Engineer - Switch Systems Test Engineer

Primary Duties & Responsibilities

Aid in the standardization and implementation of Switch-based DVT (XDVT) test coverage for new 800G, 1.6T, and future 3.2T optical transceiver products. Define new test coverage and streamline the XDVT submission, verification, and data reporting process. Coordinate global XDVT activities and assist/advise on failure analysis working with various design teams from R&D sites. Interface directly with Switch-vendors and DSP-vendors for co-debugging on challenging link flap issues. Collaborate with design teams, customers, and/or switch vendors to develop special module tuning/optimization algorithms. Establish Switch-based knowledge base in three areas: Switch study/characterization as design guidance, Switch-based product evaluation/optimization methodologies and lessons learned, and issues found on customer switch systems: lesson learned, corrective actions, and design improvements. Facilitate the implementation of the Switch-based test platform and standardize XDVT execution.

Education & Experience

B.S. EE degree with 9 years of experience or M.S. EE degree with 7 years of experience required.

Skills & Other Requirements

• Strong programming skills with Python preferred
• Familiar with optical transceiver product characterization, validation, and failure analysis in Switch-based systems
• Familiar with or capable of quick learning on Switch OS, such as Sonic by Microsoft, Cumulus by Nvidia, and VEOS by Arista
• Experience in link performance optimization on Switch rack systems in data centers is a plus
• Solid knowledge in PCBA, RF, and fiber optics is highly preferred
• Strong laboratory optical and electrical measurement skills required
• Hands-on experience with optical test instruments, such as DCA, OSA, BERT, etc., is mandatory
• Strong data analysis skills with SQL, JMP, MS Excel
• Strong communication, presentation, and documentation skills

Working Conditions

This position is On-Site. May require occasional off-site meetings with customers/Switch/DSP vendors and light travel to other R&D sites in Asia area. Extensive use of computers and other test equipment. Interaction with team members and external contacts is a regular part of the job. Occasional overtime and flexibility in work hours may be required to accommodate urgent tasks.

Physical Requirements

• Sitting for extended periods while working on a computer or conducting meetings
• Use of hands and fingers for typing, writing, and handling documents
• Occasional lifting of objects or materials up to 20 pounds for administrative tasks
• Ability to communicate verbally and in writing
• Mobility within the office environment to attend meetings or interact with colleagues

Safety Requirements

All employees are required to attend scheduled training, follow site EHS procedures and corporate EHS standards, including the use of proper protective equipment (PPE) as required by job responsibilities. Managers ensure safety and environmental procedures are followed consistently, risk assessments are performed, necessary PPE is available, and compliance is monitored.

Quality & Environmental Responsibilities

Depending on location, this position may be responsible for executing and maintaining ISO 9000, 9001, 14001 and/or other applicable standards related to Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE): Integrity – Create an Environment of Trust, Collaboration – Innovate Through the Sharing of Ideas, Accountability – Own the Process and the Outcome, Respect – Recognize the Value in Everyone, Enthusiasm – Find a Sense of Purpose in Work. Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law. If you need assistance or accommodation due to a disability, contact talentacquisition@coherent.com.