Coherent Optical Systems Architect

1 week ago

San Jose, United States Infinera Full time

CA Pay Range (Annual):

At Infinera, your base pay is one part of your total compensation package. Your actual base pay will depend on your skills, qualifications, experience, and location. This role may be eligible for equity grants, discretionary bonuses, or commission payments. The amount of these incentives is based on the terms of the Company's incentive plans, the Company's financial performance, and/or individual employee job performance.

Infinera also offers paid leave, medical,

dental, and vision coverage, 401(k),

life, and disability insurance to eligible employees.

Infinera is the global supplier of innovative networking solutions. Our customers include the leading service providers, data center operators, internet content providers (ICPs), cable operators, enterprises, and government agencies worldwide, including 9 of the top 10 Tier 1 service providers and 6 of the top 7 ICPs. We design, develop, and deliver hardware and software for fiber-based connectivity solutions that span access, aggregation, metro, long haul, and submarine networks. Our industry-leading, trendsetting edge-to-core solutions provide the foundation for many of the world's largest and most demanding networks that generate billions in service revenue for our customers.

Brief Description

Infinera is looking for a coherent optical system architect to join the Optical System Group in San Jose, CA.

Description

Imagine being part of a team that is fundamentally changing the way people communicate, the way they collaborate, the way they watch TV and explore the universe through the internet. Utilizing our uniquely differentiated technology, we have created an Intelligent Transport Network with more speed, capacity and scalability than ever before. Imagine a world with unlimited bandwidth. The network of tomorrow will allow for content and creativity limited only by the imaginations of its users.

If this is something that interests you, that excites you, come take a look at a team not bound by large company obstacles and bureaucracy, where an idea today can be set in motion tomorrow. Come take a look at Infinera

Infinera is seeking a Coherent Optical System Architect to join our Optical Systems Group (OSG). The engineer will be responsible for contributing to the development of leading coherent MODEMs based on Infinera's next-generation coherent photonic integrated circuits (PICs). The ideal candidate will be prepared to work with early prototype hardware to get an initial look at product performance and provide rapid feedback to the PIC and high-speed analog ASIC teams. Performance characterization will include MODEM SNR, OSNR tolerance, systematic breakdown of the MODEM impairment penalties, sensitivity studies and model alignment. OSG works closely with many parts of the company and the candidate should anticipate frequent interactions with the coherent ASIC team on coherent signal processing issues and ADC/DAC ENOB, with optical, high-speed analog ASIC, and systems engineering teams. A key component of this role is the ability to understand and make tradeoffs between optical, electrical, and digital capabilities in order to optimize the overall system performance.

Responsibilities

Infinera's next generation communications platform will be defined, developed, characterized, and optimized on your optical testbed. Your experimental data will fuel our design, starting with off-the-shelf components, evolving to prototype PICs, and eventually taking the form of the final integrated embedded systems or coherent pluggable modules. This requires ownership of the optical design, optimization methods, and stabilization techniques. One particular component of your research will be pushing our optical systems to higher baud rates.

Frequently used diagnosis capturing coherent waveforms on a high-speed oscilloscope and performing coherent signal processing on waveforms, and measuring bit-error rate performance in the presence of optical noise and other impairments. Of particular interest will be pushing to faster baud rates.

Through frequent interaction with the control & firmware teams, you will assist in optimizing performance-critical aspects such as powerup self-calibration, receive acquisition, real-time performance monitoring, and in-service performance optimization. These algorithms will be tested during the implementation stage to ensure they operate properly.

Results will be presented internally and documented as electrical and optical performance specifications for next-generation platforms.

Some customer-facing interactions may be required, such as field trials using prototype equipment, or debugging unusual field failures that cannot be resolved through the normal customer service process.

Requirements

  • PhD. in Electrical Engineering or Applied Physics with minimum of 3 years of industrial experience in optical communications, photonics, high speed electronics or systems.
  • Fundamental understanding of optical communication systems, DWDM transmission systems, fiber transmission penalties, photonic integrated components, electronic (integrated) circuits, and signal analysis and processing.
  • Hands-on experience working with system-level optical communication hardware and components.
  • Extensive understanding of coherent communications systems, including experience with QPSK, 16QAM, and 64QAM, as well as coding and forward error correction algorithms.
  • Experience characterizing high-speed RF and mm-wave interconnects, amplifiers, and components.
  • Characterization of RF/mm-wave systems, such as S parameter measurements, jitter measurements, and ADC/DAC performance and ENOB
  • Hands-on experience with high-speed optical and electrical test, and measurement equipment control and data acquisition.
  • Programming experience in Matlab, Python, VB.net, or C desired.


#LI-SR2

"This position requires direct or indirect access to certain confidential information, hardware, software, technology, or technical information (referred to here as "Export-Controlled Information") controlled under the U.S. International Traffic in Arms Regulations (ITAR) and/or the U.S. Export Administration Regulations (EAR). All personnel in this position must be eligible to or be able to obtain authorization from the appropriate agency to access applicable Export-Controlled Information. The U.S. Department of Commerce currently requires a foreign person with a most recent citizenship or permanent residency of Sudan, Ukraine, or a country currently designated in Country Group D:1, E:1 or E:2 (Supplement No. 1 to Part 740, Title 15) to have an export control license to access our Export-Controlled Information, unless they meet certain exemptions provided under U.S. export control laws and regulations. The list of applicable countries in Country Group D:1, E:1 or E:2 may be updated by the U.S. government from time to time. The current processing time for an export control license is approximately 4 to 6 months.

Your employment or engagement with Infinera shall be contingent on verifying your eligibility or requirement for obtaining a necessary license and/or authorization from the appropriate agency. You will be required to provide certain information for export control compliance assessment purposes, and your information will be reviewed by Infinera's hiring and export control teams to ensure compliance with the U.S. export control laws and regulations. Infinera will collect necessary documents (such as proof of citizenship etc.) to assess license/authorization requirements if you are offered and accept the position."

Infinera is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Infinera complies with all applicable state and local laws governing nondiscrimination in employment.

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