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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principle System Integration Engineer - **Company:** Coherent, Inc. - **Location:** Fremont, CA, United States - **Experience:** Expert - **Salary:** $114,375.0 - $195,875.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Systems Engineering, Cloud Computing, Content Management Interoperability Services, Computer Engineering, Firmware, Systems Integration, Data Analytics - **Published:** May 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=35cfbe490f580d04 ## About the Role Do you have experience in Writing skills?, (Include Education, Skills & Experience) * B.S. or M.S. in Electrical Engineering, Physics, Optics, Computer Engineering, or a related field. * 7+ years in technical marketing, customer engineering, systems engineering, or technical program management for optical transceivers, networking, or datacenter hardware. * Strong working knowledge of optical module qualification, firmware and system bring-up, CMIS, telemetry or DDM, power and thermal trade-offs, and switch or NIC interoperability. * Proven ability to influence hyperscale customers and lead cross-functional teams across R&D, operations, quality, and external partners to close urgent technical issues. * Excellent communication and program leadership: concise executive updates, clear decision options, and data-driven problem solving. * Experience supporting 800G or 1.6T qualification, or similar high-speed optical products with hyperscale customers, is strongly preferred. ## Description * Lead technical engagement with hyperscale AI/cloud networking infrastructure, networking, qualification, and sourcing teams to align product configuration, performance targets, telemetry needs, and sample plans. * Drive readiness before customer shipment by coordinating demo hardware or EVB, reference firmware, interoperability coverage, tolerance testing, corner-condition calibration, and proactive system-level verification. * Own cross-functional issue resolution for firmware and system integration, CMIS interpretation, power and thermal limits, optical performance, telemetry, and manufacturing issues; ensure fast response and closure plans. * Coordinate with switch, NIC, and system vendors and internal product lines to remove interoperability blockers and improve first-pass qualification success at customer. * Provide clear executive updates, risk registers, and trade-off recommendations covering schedule, capacity, yield, BOM diversity, and customer commitments. * Build long-term trust with customer engineering leaders through regular onsite and offsite reviews and hands-on support during bring-up, qualification, and ramp., * 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 follow the site EHS procedures and Coherent Corp. Corporate EHS standards. Quality and Environmental Responsibilities Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System. Culture Commitment Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp. ## Related Videos - [Photonic Computing: Programming a New Class of AI Accelerators (incl. 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