
Real job — pulled straight from Coherent Corp’s careers page · Verified October 16, 2026 · No reposts.
Job description
Coherent Corp is hiring a Principal Transceiver Engineer — a full-time, based in Fremont, CA role. Apply directly on Coherent Corp's careers page below.
Principal Transceiver Engineer
Location: Fremont, CA, United States
Primary Duties & Responsibilities
- Shared responsibility for design and development of fiber optic transceivers. This includes analysis, modeling, simulation, and measurement of optical and electrical performance.
- Part of a multi-disciplinary engineering team working on optical transceiver products from conception to volume manufacturing readiness.
- Work closely with firmware, optical, mechanical, and process engineers to design/develop transceiver products per customer requirements.
- Must be hands-on in every step of design process including conceptual and detailed design, prototype build and verification, and final design selection.
- Create drawings, BOMS and ECO to document design. Interact with program manager, buyer/planner, suppliers to make sure designed parts are available in timely manner for engineering and pilot build.
- Perform transceiver design reviews for Architectural, EVT, DVT phase reviews.
Education & Experience
- B.S. degree required (M.S. preferred, Ph.D. a plus) in electrical engineering
- At least 5 years of relevant work experience
Skills & Other Requirements
- Strong analog circuit design skills required
- In-depth understanding/intuition of RF/microwave, power, noise, control, thermal and EMI.
- Strong understanding of circuit theory, linear system theory, feedback, ICs, and high-speed fundamentals required
- Strong laboratory measurement skills required
- Experience with board level design cycle
- Expertise in RF/microwave design using modeling tools such as CST or HFSS a plus
- Experience with electronics CAD tools and electronic system modelling
- Understanding of microprocessors and real time control firmware a plus
- Familiarity with electro-optic devices such as EMLs, CW lasers and Silicon Photonics a plus
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
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 lab or 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 attend scheduled training, follow the site EHS procedures and Corporate EHS standards. This includes the use of proper protective equipment (PPE) as required by the job responsibilities.
Managers will ensure that all safety and environmental procedures are followed consistently. They will ensure that risk assessments are performed, proper training, work instructions, required PPE is available, and will monitor compliance.
Quality & 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:
Integrity – Create an Environment of Trust
Collaboration – Innovate Through the Sharing of Ideas
Accountability – Own the Process and the Outcome
Respect – Recognize the Value in Everyone
Enthusiasm – Find a Sense of Purpose in Work
About Us
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!Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.
Job Summary: As a Datacom Transceiver R&D Engineer, you will play a vital role in the development of cutting-edge optical transceiver products. Your expertise in electrical engineering will be crucial in addressing RF, power, noise, control, thermal, and EMI challenges. You will collaborate with firmware, optical, mechanical, and process engineering teams to ensure our products meet customer requirements. Your responsibilities will span the entire product development lifecycle, from conception to manufacturing, and you will have the opportunity to make a significant impact on our innovative optical solutions
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Frequently asked questions
What is the seniority level for Principal Transceiver Engineer at Coherent Corp?
Principal Transceiver Engineer at Coherent Corp is a Principal level position.
How do I apply for Principal Transceiver Engineer at Coherent Corp?
You can view the full description and apply for Principal Transceiver Engineer at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-principal-transceiver-engineer-jyyv0.