[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Coherent jobs](https://jobs.opennash.com/companies/coherent/) · [Search jobs](/search/) Coherent · Fremont, CA # Principle System Integration Manager Fremont, CA, United States On-site Manager or lead Listed on Coherent’s official careers site. Posted May 26, 2026. Check that it is still open and apply there. [Apply on Coherent’s careers site →](https://hcwp.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/2012635) [OpenNash Jobs](https://jobs.opennash.com/) / [Coherent](https://jobs.opennash.com/companies/coherent/) / Principle System Integration Manager ## Job description ### Primary Duties & Responsibilities 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. ### SKILLS & QUALIFICATIONS (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. Working Conditions This position is on-site May require occasional off-site meetings or travel Regular use of a computer and other office equipment is necessary Interaction with team members and external contacts is a regular part of the job May require occasional overtime and flexibility in work hours to accommodate the executive’s needs 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 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.: I ntegrity - Create an Environment of Trust C ollaboration - Innovate Through the Sharing of Ideas A ccountability - Own the Process and the Outcome R espect - Recognize the Value in Everyone E nthusiasm - 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 an accommodation due to a disability, you may contact us at talentacquisition@coherent.com. #LI-AW1 #IND ## At a glance - Posted by the employer: May 26, 2026 - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 145 days - Location: Fremont, CA, United States - Work arrangement: On-site[Apply on Coherent’s careers site →](https://hcwp.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/2012635) ## More jobs at Coherent ### [Lead Hardware Architect for Optical Transceivers](https://jobs.opennash.com/companies/coherent/jobs/d1b1934d179699a92777/) Fremont, CA, United States ### [Principal Technical Program Manager](https://jobs.opennash.com/companies/coherent/jobs/4274de62f83225e18599/) Fremont, CA, United States ### [Senior Manager, Laser Development](https://jobs.opennash.com/companies/coherent/jobs/a100a54db15f4b549d2c/) Fremont, CA, United States ### [Senior Program Manager](https://jobs.opennash.com/companies/coherent/jobs/8ccd33970561164a40bc/) Fremont, CA, United States ### [Silicon Photonics Testing Manager](https://jobs.opennash.com/companies/coherent/jobs/e812f61a98a336a3c247/) Fremont, CA, United States ## Similar jobs at other companies ### [SATCOM System Integration and Test Systems Engineering SME - Principle](https://jobs.opennash.com/companies/lockheed-martin/jobs/e01887cc4a8dee3ac553/) Lockheed Martin · El Segundo, CA ### [System Integration & Test Engineer 1](https://jobs.opennash.com/companies/lockheed-martin/jobs/aceeea4ef79fa940f30b/) Lockheed Martin · Littleton, CO ### [System Integration Engineer](https://jobs.opennash.com/companies/vertiv-holdings/jobs/4dc9b0fb932346511ec2/) Vertiv Holdings · Westerville, OH, United States ### [Weapon System Integration Technical Lead](https://jobs.opennash.com/companies/bae-systems/jobs/41628edb0a47ffb5fa6c/) BAE Systems · Rockville, Maryland, United States ### [Senior Engineer, Server System Integration and Debug](https://jobs.opennash.com/companies/qualcomm/jobs/b4513cf31cc8049f6677/) Qualcomm · San Diego, California, United States of America [Jobs in Fremont, CA](/locations/us/ca/fremont/)[Jobs in California](/locations/us-ca/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)