[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 # Senior Optical Transceiver Engineer Fremont, CA, United States On-site Senior individual contributor Operations Listed on Coherent’s official careers site. Posted July 9, 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/2013456) [OpenNash Jobs](https://jobs.opennash.com/) / [Coherent](https://jobs.opennash.com/companies/coherent/) / Senior Optical Transceiver Engineer ## Job description ### Primary Duties & Responsibilities Participate standard and MSA meeting and present for the company Lead the link simulation for optical transceiver. Conduct electrical and optical measurements of optical transceiver. Create optical transceiver specification compliance reports. Create the firmware requirement document. Conduct RF simulation of the high-speed signal communication link. ### Education & Experience B.S. EE degree with 7-year experience or M.S. EE degree with 5-year experience required (M.S. preferred, Ph.D. a plus) ### Skills - Strong fiber and digital communication and DSP system theory and simulation - Strong analog circuit design skills required - Strong background of circuit theory, linear system theory, feedback, ICs, and high-speed RF fundamentals required - Strong laboratory measurement skills required - Strong communication and presentation skill required Experience with electronics CAD tools and electronic system modelling Expertise in RF design using modeling tools such as CST or HFSS a plus - Strong background of optical transceiver design is a plus Working Conditions This position is onsite 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 operating computers and lab equipment. Occasional lifting of objects or materials up to 20 pounds for administrative or lab tasks. Ability to communicate verbally and in writing. Mobility within the office/lab 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. #IND #LI-AW1 ## At a glance - Posted by the employer: Jul 9, 2026 - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 101 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/2013456) ## More jobs at Coherent ### [Lead Epi Engineer](https://jobs.opennash.com/companies/coherent/jobs/18d6a439aecb15c4501d/) Fremont, CA, United States ### [Member of Technical Staff - Switch Systems Test Engineer](https://jobs.opennash.com/companies/coherent/jobs/5eaae9e7525e82660f3c/) Fremont, CA, United States ### [Operations Supervisor](https://jobs.opennash.com/companies/coherent/jobs/8af03cec83f11988e433/) Fremont, CA, United States ### [Optical Transceiver Engineer](https://jobs.opennash.com/companies/coherent/jobs/ad9a743ff97172564262/) Fremont, CA, United States ### [Principal Silicon Photonics Test Engineer](https://jobs.opennash.com/companies/coherent/jobs/318bd29183e81d47d8d0/) Fremont, CA, United States ## Similar jobs at other companies ### [Optical Transceiver Reliability and Qualification Engineer](https://jobs.opennash.com/companies/arista-networks/jobs/6084dc0cf641445dcbcd/) Arista Networks · Santa Clara, CA, United States ### [Sr Optical Transceiver Firmware Engineer](https://jobs.opennash.com/companies/super-micro-computer/jobs/c8705e2e949e086edb5e/) Super Micro Computer · San Jose, California, United States ### [Optical Engineer Staff](https://jobs.opennash.com/companies/lockheed-martin/jobs/b6585bbe941c225151da/) Lockheed Martin · Louisville, CO ### [Electro-Optical Engineer II](https://jobs.opennash.com/companies/lockheed-martin/jobs/374b09bbfafda936bb04/) Lockheed Martin · Louisville, CO ### [Optical Engineer Intern](https://jobs.opennash.com/companies/general-dynamics/jobs/15c47f627f4a4558b007/) General Dynamics · McLeansville, NC, US OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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