Photonic Engineer, Senior

Nutanix; Santa Clara (CA); On-site; USD 139,000 - 209,000; Full time

Benefits offered by this job

Annual bonus program

RSU grants

Competitive benefits

Job summary

Qualcomm Atheros, Inc. in Santa Clara, CA seeks a photonic IC designer to define, design, and develop photonic integrated circuits for silicon photonics platforms targeting high-speed optical interconnects and DWDM transceivers. You will use 3D simulations and AI-assisted workflows to automate design and data analysis.

You will collaborate with cross-functional teams, review layouts, and participate in post-fabrication characterization to close the loop between simulation and hardware.

Qualifications

• Bachelor's degree in Electrical Engineering, Physics, Optics, or related field; 5+ years PIC design experience OR Master's with 3+ years OR PhD with 1+ year PIC design experience.
• 2+ years hands-on with Lumerical (FDTD, MODE, CHARGE, INTERCONNECT), and any layout editor/viewer (Cadence Virtuoso, KLayout, or equivalent), and Python.
• Hands-on design experience with silicon-photonics foundry PDKs.
• System-level understanding of optical link budgets, DWDM channel plans, OMA/TDECQ, and transceiver power allocation.

Responsibilities

• Design active (MRM, MZM, photodetectors) and passive (edge/grating couplers, power splitters, wavelength MUX/DEMUX) photonic devices from spec through tape-out using foundry PDKs and 3D structure optical simulation.
• Perform 3D photonic simulation (FDTD, MODE, INTERCONNECT, CHARGE) to validate device performance and iterate to target specs.
• Develop and maintain script-based workflows—leveraging AI-assisted tooling—to automate parameter sweeps, layout generation, and measurement-data processing.
• Review and sign off on PIC physical layouts produced by the dedicated layout engineer from the physical design team.
• Collaborate with PIC designers, EIC designers, and package teams to run co-simulations and validate electro-optical performance in the full DWDM transceiver system.
• Execute and interpret post-fabrication characterization lab testing and close simulation-to-hardware loop by correlating data with models.

Job description

Company:Qualcomm Atheros, Inc.Job Area:Engineering Group, Engineering Group > RFIC DesignGeneral Summary:Define, design, and develop photonic integrated circuits for next-generation silicon photonics platforms targeting high-speed optical interconnect and DWDM transceiver applications. Perform photonic device design covering both active components and passive components using 3D structure simulation tools and foundry PDKs.Collaborate cross-functionally with other designers, and systems teams in a DWDM transceiver product project.Utilize script-based workflow with AI to automate simulation, layout generation, and data analysis.Work with testing engineers on post-fabrication device characterization in the lab to validate designs and close the loop between simulation and hardware.Required for This Role: - Bachelor's degree in EE, Physics, Optics, or related field with 5+ years of PIC design experience, OR - Master's degree in EE, Physics, Optics, or related field with 3+ years of PIC design experience, OR - PhD in EE, Physics, Optics, or related field with 1+ year of PIC design experiences. - 2+ years hands-on with: Lumerical (FDTD, MODE, CHARGE, INTERCONNECT), and any layout editor/viewer (Cadence Virtuoso, KLayout, or equivalent), and Python. - Hands-on design experience with silicon-photonics foundry PDKs - System-level understanding of optical link budgets, DWDM channel plans, OMA/TDECQ, and transceiver power allocation. Preferred Qualifications: - 2+ years of Co-Packaged Optics (CPO) design experience — chip-to-chip optical coupling, CPO-specific constraints, or tape-out in a CPO-targeted node. - 2+ years of PIC-EIC co-design — joint optimization for high-speed transceivers, including driver/TIA co-simulation with active photonic devices. - System-level photonic simulation tools: VPI Photonics, Lumerical Zemax OpticStudio, or equivalent. - DWDM wavelength control loops, thermal tuning, closed-loop resonance lock for ring-modulator transmitters. - Track record of photonic tape-outs (MPW or full-reticle) with post-silicon characterization closure. - Publication record or patent filings in integrated photonics. Principal Duties and Responsibilities - Design active (MRM, MZM, photodetectors) and passive (edge/grating couplers, power splitters, wavelength MUX/DEMUX) photonic devices from spec through tape-out using foundry PDKs and 3D structure optical simulation. - Perform 3D photonic simulation (FDTD, MODE, INTERCONNECT, and CHARGE for carrier/electro-optic effects) to validate device performance and iterate to target specs. - Develop and maintain script-based workflows — leveraging AI-assisted tooling — to automate parameter sweeps, layout generation, and measurement-data processing. - Review and sign off on PIC physical layouts produced by the dedicated layout engineer from physical design team. - Collaborate with other PIC designers, EIC designers, and package teams to run co-simulations. Align interface specs, and validate electro-optical performance in the full DWDM transceiver system. - Execute and interpret post-fabrication characterization lab testing. - Close the simulation-to-hardware loop by correlating characterization data with models and proposing corrections. - Participate in cross-functional design reviews spanning component performance, tape-out readiness, and system link budget. - Maintain internal technical documentation: design specs, simulation methodology, characterization reports, and tape-out checklists. - Track silicon photonics, CPO, and DWDM transceiver developments, and apply emerging techniques to improve design quality and time-to-tape-out. Level of Responsibility - Works under some supervision, with high independence for component-level design decisions. - Provides technical guidance and layout-review feedback to layout engineers and junior team members. - Owns design deliverables; errors may impact the tape-out schedule and require re-simulation or a re-spin. - Communicates technical status, simulation results, and characterization findings to EIC designers, packaging engineers, and systems architects. - Works within the tape-out schedule, reticle area budget, and PDK constraints. - Has meaningful influence on component-level architecture and platform-direction discussions. - Completes multi-step tasks spanning simulation, layout, and characterization, and prioritizes parallel workstreams. - Exercises engineering judgment when simulation, PDK, or characterization data is incomplete or conflicting. - Applies inductive and deductive problem-solving to diagnose simulation-versus-measurement discrepancies. EDA Tools - Must: Lumerical (FDTD, MODE, INTERCONNECT), any layout editor/viewer (Cadence Virtuoso, KLayout, or equivalent), Python or equivalent - Optional: MATLAB, VPI Photonics, Lumerical Zemax OpticStudioMinimum Qualifications:• Bachelor's degree in Electrical Engineering with 3+ years of experience with designing RF/Analog circuits for wireless products (e.g., LNA's, PLL's) and 2+ years of ASIC design, verification, or related work experience.ORMaster's degree in Electrical Engineering or related field and 2+ years of ASIC design, verification, or related work experience.ORPhD in Electrical Engineering or related field.• 2+ years of academic or professional experience using two or more of the following software: CADENCE, Virtuoso, ADS.Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail [e-mail] or call Qualcomm's toll-free number found here . Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries).To all Staffing and Recruiting Agencies : Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications.EEO Employer: Qualcomm is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or any other protected classification.Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law.Pay range and Other Compensation & Benefits :$139,400.00 - $209,200.00The above pay scale reflects the broad, minimum to maximum, pay scale for this job code for the location for which it has been posted. Even more importantly, please note that salary is only one component of total compensation at Qualcomm. We also offer a competitive annual discretionary bonus program and opportunity for annual RSU grants (employees on sales-incentive plans are not eligible for our annual bonus). In addition, our highly competitive benefits package is designed to support your success at work, at home, and at play. Your recruiter will be happy to discuss all that Qualcomm has to offer – and you can review more details about our US benefits at this link .If you would like more information about this role, please contact Qualcomm Careers .