Director of System Applications Engineering

Position Overview We are seeking a Director / Senior Director, System Applications Engineering to lead customer-facing system engineering for next-generation AI networking platforms and high-speed optical interconnects. This leader will define and drive the technical engagement model for deploying 800G and 1.6T optical transceivers across 51.2T-class and next-generation switch architectures. This role sits at the intersection of customer success, system architecture, and product strategy, owning the end-to-end applications engineering function. The ideal candidate combines deep technical expertise in optical systems, DSPs, and AI networking with a proven ability to build teams, influence product direction, and drive successful customer deployments at scale. Key Responsibilities Lead System Applications Engineering Function Build, scale, and lead a high-performing team of system and applications engineers supporting global customer deploymentsOwn Customer Technical Engagement Strategy Serve as the executive-level technical interface for key customers, shaping system-level solutions and long-term partnershipsDrive End-to-End System Integration Excellence Oversee bring-up, validation, and optimization of optical links across AI networking platforms, ensuring performance, reliability, and interoperabilityResolve Complex System-Level Challenges Lead cross-functional efforts to debug and resolve issues spanning optical modules, DSPs, switches, and system architecturesInfluence Product & Roadmap Decisions Translate customer insights and field learnings into actionable input for product, engineering, and go-to-market strategiesEstablish Scalable Processes & Best Practices Define standards for customer support, escalation management, system validation, and deployment methodologiesLead Customer Demos & Strategic Engagements Oversee high-impact evaluations, proof-of-concepts, and design wins with leading AI infrastructure customersStay Ahead of Industry Trends Guide internal strategy by maintaining deep expertise in AI networking, optical interconnects, and next-generation switch architectures Required Qualifications Bachelor’s or advanced degree in Electrical Engineering or related field10+ years of experience in optical systems, networking, or high-speed interconnects, with progressive leadership responsibilityDeep expertise in optical transceivers, DSP architectures, and high-speed link performance and debuggingStrong understanding of AI networking systems, including 51.2T and next-generation switch architecturesProven track record of leading customer-facing engineering teams and delivering complex system deploymentsExperience with 800G optical modules required; 1.6T and next-generation systems strongly preferredBackground at a leading optical transceiver, networking systems, or hyperscale infrastructure company highly preferredExceptional communication and executive presence, with the ability to influence both technical and business stakeholdersDemonstrated ability to operate cross-functionally and drive alignment across engineering, product, and commercial teams Benefits Competitive salary and significant equity in a high-growth, well-funded startupComprehensive health, dental, and vision coverageFlexible time off policyOpportunity to shape foundational technology powering next-generation AI infrastructureHighly experienced, collaborative, and mission-driven teamFast-paced, innovative environment with significant leadership impact and career growth Equal Opportunity Statement All qualified applicants will receive consideration for employment without regard to race, color, religion, religious creed, sex, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, military and veteran status, marital status, pregnancy, gender, gender expression, gender identity, sexual orientation, or any other characteristic protected by applicable law.