Sr. Optics Engineer - Acacia

  • Location:
    Maynard, Massachusetts, US
  • Area of Interest
    Engineer - Hardware
  • Job Type
    Professional
  • Technology Interest
    Cloud and Data Center
  • Job Id
    1341824

As a key leader for Acacia’s optical systems group, The Senior Optics Engineer is an expert in optical communications measurements, concepts, and equipment for characterization of optical communications systems.


Key Essential Functions


·        Lead efforts for bring-up, performance optimization, and design verification testing of coherent transceivers

·        Lead design of subsystems such as optical amplifiers and modulator control loops, and/or contribute to our digital signal processing development

·        Lead DSP parameter optimization of ASIC designed for the most advanced coherent optical communications

·        Lead collaboration with photonics integrated circuit team to produce the most compact pluggable coherent optical modules

·        Lead design and implementation of the first L-band coherent optical modules

·        Advise on efforts of evaluation of fiber nonlinear penalty in the transmission systems and its mitigation method  

·        Provide accurate and cost-effective calibration of coherent transceivers and its transfer to Operations

·        Drive debug activities to improve product yield and to shorten time to successful field deployment

·        Collaborate with colleagues in the HW, SW, DSP, and Operations groups


Other Duties

·        Other essential duties as assigned


Minimum Qualifications, Experience, Skills, Education and Certifications

·        MSEE with 6+ years of hands on experience in an optical communications lab required PhD in physics or electrical engineering preferred

·        Experience with measurements, concepts, and equipment for characterization of optical communications systems such as: BER measurements, WDM transmission measurements, OSNR, dispersion, PMD, optical spectrum analyzers, and real-time and sampling oscilloscopes

·        Hands on experience with bring-up, debugging, calibration, and design verification testing of (coherent) transceiver line cards or modules

·        A solid understanding of transceiver HW, FW, and SW

·        Deep understanding on optical amplifier and dense wavelength division multiplexing (DWDM) systems/networks

·        Ability to construct and run optical recirculating loop test bed

·        Full automation of test equipment and coherent transceivers

·        Solid knowledge on coherent transmitter/receiver architecture, QAM modulation, coherent reception, digital signal processing, RF electronics such as oscillators and high-speed amplifiers, and lab automation with e.g. LabVIEW



All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.


U.S. Vaccination Requirements
Cisco requires all U.S. employees to be fully vaccinated or have an approved religious or medical accommodation. Candidates accepting an offer must provide proof of vaccination status on their first day. If someone anticipates requesting an accommodation for this requirement, they must receive approval before the start date. Candidates receiving an offer will receive additional information about the accommodation process at the time of the offer. All offers of employment are contingent upon complying with Cisco's vaccination policy.

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