Principal Engineer - Switch Systems Test Engineer

Coherent Corp. Vietnam•Fremont, CA

4h•$114,375 - $195,875•Onsite

About The Position

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us! This position is On-Site and may require occasional off-site meetings with customers/Switch/DSP vendors. It may also require light travel to other R/D sites in Asia. The role involves extensive use of computers and test equipment, regular interaction with team members and external contacts, and may require occasional overtime and flexibility in work hours to accommodate urgent tasks.

Requirements

B.S. EE degree with 9-year experience or M.S. EE degree with 7-year experience required
Strong programming skills with Python is preferred.
Familiar with optical transceiver product characterization, validation and failure analysis in Switch-based system
Familiar with or capable of quick learning on Switch OS, such as Sonic by MSFT, Cumulus by Nvidia and VEOS by Arista.
Basic knowledge in IEEE standard in terms of test specs and test methodologies
Strong laboratory optical and electrical measurement skills required
Hands-on experience in optical test instruments, such as DCA, OSA, BERT, etc., is a Must
Strong data analysis skills with SQL, JMP, MS Excel.
Strong skills in communication, presentation and documentation.

Nice To Haves

Experience in link performance optimization on Switch rack system in data center is a Plus.
Solid knowledge in PCBA, RF and Fiber optics is highly preferred

Responsibilities

Assist in the standardization and implementation of Switch-based DVT (XDVT) test coverage for all new 800G, 1.6T and future 3.2T optical transceiver products. This includes continuously defining the new test coverage and streamlining the XDVT submission, verification and data reporting process.
Coordinate on the global XDVT activities, and assist/advise on the XDVT failure analysis working closely with different design teams from all R/D sites.
Assist module design team/QA team for urgent optical transceiver evaluation, optimization and debugging on switches.
Able to directly interface with Switch-vendor and DSP vendor for co-debugging on the very challenging link flap issues as part of joint efforts by cross-functional teams.
Co-develop the special module tuning/optimization algorithm on Switch-based setup for LPO and LRO products by collaborating with design teams, customers and/or switch vendors.
Establish the Switch-based knowledge base in three areas: Switch study/characterization as part of design guidance, Switch-based product evaluation/optimization methodologies and lessons learned, and Issues found on customer switch systems: Lesson learned, corrective actions and suggested design improvement.
Work closely with Switch test engineer to bring up the new types of switches and have regular interaction with various switch vendors for co-debugging and feature request.
Need light travel to other sites to facilitate the implementation of the Switch-based test platform and standardize the XDVT execution.