Senior Switch Systems Test Engineer – XDVT Lead

Coherent Corp.; Fremont (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Coherent Corp. in Fremont, CA is seeking a senior engineer to lead XDVT test coverage for next‑gen 800G/1.6T/3.2T transceivers. You will standardize, implement, and automate system‑level tests while coordinating global XDVT activities with design teams and partners.

The role requires 9+ years in optical transceiver validation or related fields, strong Python skills, and experience with data center networking. On‑site work and occasional travel are expected.

Qualifications

• Demonstrated experience in optical transceiver validation, system-level debugging, product characterization, and cross-functional technical collaboration.
• Experience working in data center networking, optical communications, or high-speed interconnect technologies is strongly preferred.
• Strong programming skills with Python is preferred.

Responsibilities

• Lead on the standardization and implementation of XDVT test coverage for all new 800G, 1.6T and future 3.2T optical transceiver products; develop and automate system-level test configurations and coverages.
• Coordinate on global XDVT activities and assist with XDVT failure analysis with design teams across R&D sites.
• Interface with Switch vender, DSP vendor and customers for co-debugging on link stability issues with cross-functional teams.
• Co-develop tuning/optimization algorithms for Switch-based setups (LPO, LRO, XPO) with design teams and partners.
• Support internal teams to bring up switches, NIC cards, traffic generators and other test equipment; obtain timely vendor support.
• Willingness to expand engagement with business partners to support R&D and production activities; occasional travel to other sites.

Skills

Python

Optical testing

Data analysis

Communication & documentation

Cross-functional collaboration

Education

B.S. in Electrical Engineering or related field with 9+ years experience

M.S. in Electrical Engineering or related field with 7+ years experience

Tools

DCA

OSA

BERT

SonicOS (Switch OS)

CumulusOS

VEOS

MS Excel

Job description

Coherent Corp. in Fremont, CA is seeking a senior engineer to lead XDVT test coverage for next‑gen 800G/1.6T/3.2T transceivers. You will standardize, implement, and automate system‑level tests while coordinating global XDVT activities with design teams and partners.

The role requires 9+ years in optical transceiver validation or related fields, strong Python skills, and experience with data center networking. On‑site work and occasional travel are expected.