Principal Engineer, Network Protocol Architect

Ayar Labs

$180K — $250K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • B.S. in Computer or Electrical Engineering required.
  • Experience with networking protocols including AXI, CHI, and Ethernet.
  • Familiarity with AI compute systems architecture.
  • Strong programming skills in Python essential.
  • Self-motivated, detail-oriented individual.
  • Ability to collaborate effectively across teams.
  • Excellent written and oral communication skills.

Responsibilities

  • Design co-packaged optical engines for scalable fabrics and memory.
  • Translate interconnect specifications into protocol requirements.
  • Develop specifications for network/compute protocol stack layers.
  • Engage in standards work with organizations like UALink and OCP.
  • Promote co-packaged optics through customer presentations and papers.

Benefits

  • Opportunities to influence cutting-edge technology development.
  • Active participation in standard-setting organizations.
  • Exposure to customer-facing roles and public speaking opportunities.
Full Job Description
Network Protocol Architect

Location: San Jose (on-site)

The successful candidate will work with customers and Ayar Labs' design teams to design co-packaged optical engines for scale-up and scale-out fabrics and extended memory. You are responsible for developing the specification for network/compute protocol stack layers. The candidate will represent Ayar Labs at Standard Setting Organizations (SSOs) and promote Ayar Labs' co-packaged optics. You will collaborate with the CTO office on pathfinding activities, and product and technology roadmaps.

Essential Functions
  • Using Ayar Labs' co-packaged optics as the foundational technology, work with customers and internal design teams to design co-packaged optical engines for scale-up and scale-out fabrics and extended memory.
  • Translate customer key interconnect specifications into protocol requirements to enable silicon photonic interconnects.
  • Architect and develop the specification of network/compute protocol stack layers (e.g., application, transaction, data link, and physical) in optical engines.
  • Participate on SSO workgroups at UALink, ESUN, OCP, OIF, and IEEE 802.3.
  • Participate in technology evangelization through customer presentations, conference papers, seminar/webinars.


Required Qualifications
  • B.S. degree in Computer or Electrical Engineering
  • Experience with memory semantic fabrics and networking protocols such as AXI, CHI, UALink, ESUN, Ethernet (e.g., 802.3dj), UCIe, PCI-SIG
  • Experience with architecture and design of AI compute systems such as OCI-MSA
  • Strong programming skills in Python and familiar with AI workflow agents such as Antigravity, Claude, etc.
  • Self-motivated and detail-oriented
  • Can collaborate and work effectively with colleague across teams and projects
  • Excellent written and oral communication skills


Preferred Qualification

  • MS or Ph.D. degree in Computer or Electrical Engineering
  • Experience with AI inference models and system performance analysis (throughput, interactivity, TCO)
  • Experience with network topologies such as mesh, crossbar, folded Clos, TOR, Leaf-Spine, Torus, Dragonfly, and HyperX
  • Experience with Amazon AWS and Google Cloud platforms


Salary range: $180k - $250k

NOTE TO RECRUITERS:

Principals only. We are not accepting resumes from recruiters for this position. Remuneration for recruiting activities is only applicable subject to a signed and executed agreement between the parties. Please don't send candidates to Ayar Labs, and do not contact our managers.

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