Cisco DSP Engineer - Technical Leader in Maynard, Massachusetts
Acacia, now part of Cisco, provides innovative silicon-based high speed optical interconnect products to accelerate network scalability through advancements in performance, capacity, and cost. Our DSP ASICs, silicon photonic PICs and coherent modules empower cloud and service providers to meet the fast-growing demand for data. We have assembled a team of cross-functional experts capable of solving the challenges of next generation optical interconnects, resulting in industry-leading, award-winning products.
We are looking for experienced enthusiastic people with high energy and a team attitude who want to work at the forefront of fiber optic transmission subsystems.
Acacia is looking for an expert in modeling of coherent optical communications systems. You will become the owner of Acacia’s system modeling environment helping us achieve fast, user-friendly, automated, and not least ultra-accurate system modeling. A key part of the work is development of accurate models adequate for system modeling for components such as RF amplifiers, silicon optics modulators and detectors, ADC/DAC, and lasers working closely with the colleagues designing these parts.
In addition, you will simulate system performance, where penalties from neighboring channels, filters, and other transmission effects are considered.
Depending on your experience and interest, you may also contribute to DSP/FEC algorithm development as well as bring-up, debugging, and optimization of ultra high speed optical transceivers.
Skills and experience
The essential requirements for this job include a good overall understanding of optical communications systems, a deep understanding of modeling of communications systems including time and frequency domain representation of signals, discrete-time representation of periodic and aperiodic analogue signals, and excellent C++ programming skills. Given the importance of accurate system modeling, we also believe that perfectionism and great attention to detail are essential.
Knowledge of DSP algorithms, SW development methodologies including revision control, and direct experience with coherent transceivers will be a plus and help you ramp up faster in this role.
While we do not have rigid requirements to education, we think a Ph.D. or master’s degree in physics, math, or electrical engineering is a good background for this job.
Acacia work philosophy
Acacia believes in a friendly, collaborative work style where we work together to create and implement great ideas, peer-review designs to eliminate mistakes, and balance workload.
The ideal work location is Maynard, MA or Holmdel, NJ, but fully remote is an option.
Excellent C++ and Linux skills
Deep understanding of modeling of communications systems
Digital communications and digital signal processing knowledge
Experience with optical communications systems
Attention to detail
Highly Desired Skills:
Motivated self-starter willing to explore and find solutions
Experience with optical coherent transceivers
Fluency with scripting in Python, Matlab
Experience with version control systems (we use SVN and Perforce)
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