Lead product strategy and execution for die-level co-packaged optics, selecting and qualifying VCSELs, photodetectors, lenses, and fiber interfaces; define assembly-aware optical specs, drive optical-electrical co-design within foundry constraints, and coordinate cross-functional alignment with silicon, packaging, and marketing teams.
Eliyan is building NuLink, a proprietary die-to-die chiplet interconnect fabric purpose-built for AI infrastructure at hyperscale. As Eliyan expands into co-packaged optics (CPO), the Director (or higher-level depending on experience) of Optical Product Development owns the product strategy for integrating third-party optical components — VCSELs, photodetectors, lenses, and fiber interfaces — with Eliyan's silicon die at the package level. This role requires deep familiarity with semiconductor fabrication and assembly processes, as all optical integration decisions are constrained by and executed within a semiconductor packaging environment.
KEY RESPONSIBILITIES
- Define optical product strategy centered on die-level co-packaging of external optical components with Eliyan's silicon.
- Own the optical component selection and qualification process (VCSELs, PDs, lenses, fiber connectors), evaluating vendors against system performance and assembly compatibility requirements.
- Drive assembly-aware optical product specifications — accounting for flip-chip tolerances, solder reflow constraints, alignment accuracy, and packaging design rules.
- Engage silicon process and design teams on equal footing, translating optical requirements into process-compatible constraints and vice versa.
- Navigate optical-electrical co-design tradeoffs within foundry process boundaries (e.g., TSMC, GlobalFoundries, or equivalent).
- Serve as the primary interface between optical and silicon teams (analog/digital), ensuring bidirectional feed-in/feedback between optical integration requirements and silicon design.
- Partner with Marketing to define product positioning, customer-facing optical specifications, and roadmap priorities.
- Report execution status and product milestones to the COA
QUALIFICATIONS
- 12+ years in optical systems or photonic integration, with substantial hands-on experience in semiconductor fabrication, assembly, or advanced packaging environments.
- Solid working knowledge of semiconductor fabrication processes — FEOL/BEOL concepts, lithography constraints, metal layer stackups, and how process design rules affect optical integration feasibility.
- Deep understanding of co-packaging architectures — flip-chip bonding, micro-bump interconnects, interposer-based integration, or equivalent.
- Experience qualifying and integrating third-party optical components (VCSELs, PDs, optical subassemblies) into semiconductor packages.
- Familiarity with packaging design rules and their implications for optical alignment yield.
- Experience navigating optical-electrical co-design tradeoffs within foundry process boundaries.
- Strong cross-functional communication skills across silicon, packaging, and marketing teams.
- Standards-body experience (IEEE 802.3, OIF, CPO Consortium) a plus.
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