Senior Silicon Photonics Design Engineer

Job Title

Silicon Photonic Integrated Circuits Design Engineer

Primary Duties & Responsibilities

• Design and tapeout silicon photonic integrated circuits (PICs) including integrated coherent receivers and integrated coherent transmitter PICs.
• Design and prepare PIC layouts using industry-standard PIC design flows including: Synopsys OptoCompiler and Cadence Virtuoso-based photonic design flows.
• Implement parametric layout cells (PCells) and scripted layout generation to support scalable photonic circuit design.
• Develop and simulate passive photonic components.
• Model and simulate active photonic devices.
• Perform electromagnetic, optical, and electrical simulations using tools such as Lumerical (FDTD, MODE, DEVICE, INTERCONNECT), CST Microwave Studio, HFSS, Tidy3D, ADS, and other PIC design and verification tools as required.
• Support the local development of photonic components for multiple silicon photonics foundries and technology platforms.
• Work closely with external silicon photonics foundries to successfully design, verify, and tapeout advanced PICs.
• Conduct design corner analysis to ensure device robustness across process, voltage, temperature, and fabrication variations.
• Perform post-layout simulations and verification, including optical, RF, and electro-optic performance validation.
• Develop compact models and simulation workflows for system-level verification of photonic circuits.
• Collaborate with interdisciplinary teams including electronics / IC design, packaging engineering, optical system engineering, test engineering, reliability engineering, manufacturing and operations.
• Support product development through New Product Introduction (NPI) phases including prototype validation, characterization, and design improvements.
• Work with reliability engineering teams to define qualification plans, including lifetime testing, environmental stress testing, and failure analysis.
• Support transition from prototype to high-volume manufacturing, including design for manufacturability (DFM), process variation mitigation, yield optimization, test strategy development, production monitoring, and yield analysis.
• Participate in design reviews, documentation, and technical presentations.
• Mentor junior engineers and contribute to best practices for silicon photonic design within the organization.

Education & Experience

• PhD or MS in Electrical Engineering, Applied Physics, Photonics, or related field.
• Typically 5+ years of experience in silicon photonics design, integrated photonics, or optical communication systems.
• Proven experience with silicon photonics PIC tapeouts and foundry interactions.

Skills

• Strong expertise in silicon photonics device physics and PIC design methodologies.
• Experience with electromagnetic simulation and photonic design tools.
• Familiarity with photonic foundry design kits (PDKs) and layout environments.
• Strong understanding of optical communication systems and coherent optical architectures.
• Experience with RF design and electro-optic device modeling.
• Knowledge of packaging and fiber coupling techniques for photonic devices.
• Programming experience for simulation automation and data analysis.
• Strong problem-solving, analytical, and debugging skills.
• Excellent collaboration skills for working with cross-functional engineering teams.

Working Conditions

• Authorized to work in US

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 View email address on click.appcast.io.

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 Info

• Job Identification 2011314
• Posting Date 04/22/2026, 04:05 PM
• Degree Level Doctorate Degree
• Job Schedule Full time
• Locations 702 Electronic Drive, Horsham, PA, 19044, US (Hybrid)
• Pay Scale 100,650 - 172,370