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We are hiring a Principal Digital Architect for high-speed photonic (mixed-signal) communication chips. The selected candidate will partner with external facing teams at Lightmatter and the internal engineering team to deliver groundbreaking products to the market. As an architect, you will provide detailed technical documents that describe what needs to be built to the engineering team. This will require a solid understanding of process technology, state of the art in chip design, and clear communication skills. You will represent the company externally at technical conferences as an example of our technical leadership.

In this role, you will be defining the architecture of the digital circuits that enable a ground-breaking photonic-based communication fabric. Your work will not only enable the AMS/photonic devices at low-level but also enable the necessary interfaces with the firmware/software. You will interact directly with our vendors and our customers. You will also define the product and technological roadmaps along with suitable design and verification methodologies.

You will report directly to the Chief Scientist, but you will also work closely with our digital, analog, photonic, and software teams. We are particularly looking for someone with expertise in architecting digital circuits to enable high-speed AMS circuits, with a strong preference for someone with experience in photonic circuits.

Join a tight-knit team where each individual's contributions directly influence the success of the company and product. You'll have the opportunity to build a new kind of computer from the ground up and to solve groundbreaking challenges along the way. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized.

• Be the digital architecture owner of Lightmatter's Passage product.
• Responsible for the digital architecture from initial concept through high-volume production. Work closely with the technical program manager(s) to plan, organize, and execute.
• Lead direct collaboration with top tier semiconductor customer(s) throughout the product development process at the system architecture level.
• Architect and specify system level digital designs integrating complex AMS and photonic circuits. These circuits include high-speed drivers and receivers, SerDes, ADC/DAC, photonic modulators and detectors.
• Collaborate with the product team to develop our future technological and product roadmap.
• Work closely with test and validation engineers to validate hardware against simulation prediction.
• Actively collaborate with the RTL and DV teams to enable block-level implementation and verification, respectively.
• Author, review, and validate architectural specifications.
• Identify possible improvements as well as possible pitfalls (including mitigation strategies) around executing the proposed architectures. 

• 12+ years and a Masters' degree in Electrical or Computer Engineering
• In-depth knowledge of power-efficient digital design flow for high-speed AMS electronics, preferably on photonic communication channels.
• Proven track record of delivering successful high-volume silicon in the market. Also, proven understanding of silicon product development flow.
• In-depth knowledge of digital circuit design in a high-speed analog/photonic link, including device bring-up, control, and digital signal processing.
• Demonstrated strong problem solving skills specifically pertaining to problems that do not have obvious solutions.
• Demonstrated strong customer communication, with timely responses and consistently positive feedback

• Understanding of SerDes PCS layer and equalization along with forward error-correction schemes.
• Ability and desire to collaborate in a cross-disciplinary team.
• Power user of multiple development tools, including CAD tools, SPICE simulators, IBIS-AMI simulators, and general programming languages (e.g., MATLAB or Python).
• Willing and able to learn quickly. Self-starter with a "no task is too big or small" attitude.
• Innovative and flexible; realizes that a one-size-fits-all approach will not always solve the problem at hand.
• Data-driven and analytical; translates numbers into actionable strategies.
• Process-oriented and programmatic: builds structure through processes that can be relied upon across the organization.