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You will have the opportunity to work on all modalities of interconnects connecting GPUs and switches both inside and between data centres, including our primary front and backend networks that train Grok and that customers use for inference.</p>\n<p>Responsibilities:</p>\n<ul>\n<li>Design, validate, and productise high-speed copper and optical connectivity solutions for AI clusters (100k+ GPU scale).</li>\n<li>Own vendor due diligence and onboarding for new 1.6T products including AEC and pluggable optical transceivers (DR4/8, FR4) including rigorous bring-up &amp; characterisation.</li>\n<li>Investigate the opportunity for LPO and LRO in our network.</li>\n<li>Evaluate early co-packaged and near-packaged engines for switches and GPUs.</li>\n<li>Pathfinding for new interconnect modalities including VCSEL, microLED, THz radio-based solutions to improve network economics and reliability.</li>\n<li>Work closely with vendors (transceiver, cable, SerDes, DSP, silicon photonics foundries) to influence roadmaps and ensure timely delivery of next-gen solutions.</li>\n<li>Collaborate with ML training teams to translate workload communication patterns into concrete interconnect topology and optical reconfigurability requirements.</li>\n<li>Perform system-level simulation of end-to-end fabric performance.</li>\n<li>Drive failure analysis, root cause, and corrective actions for interconnect-related issues in production clusters through fleet-level metrics gathering and analysis.</li>\n<li>Contribute to internal tooling and automation for interconnect health monitoring, telemetry, diagnostics, remediation and automated qualification pipelines.</li>\n</ul>\n<p>Basic Qualifications:</p>\n<ul>\n<li>At least 8+ years of hands-on experience in designing, deploying and operating high-speed copper and optical interconnects, preferably in a module design role or in a hyperscale datacentre environment.</li>\n<li>Master&#39;s or PhD degree in Electrical Engineering, Photonics or Physics.</li>\n<li>Deep knowledge of PAM4 SerDes performance, equalisation, jitter, crosstalk.</li>\n<li>Solid operational understanding of FEC, Retimers, TIAs and Drivers.</li>\n<li>Deep knowledge of optical link budget analysis and performance metrics including TDECQ, OMA, Tcode, stressed receiver sensitivity and associated diagnostics.</li>\n<li>Expertise in transceiver components including CW lasers, SiPh PICs, EML, DSP, passive subassemblies, their failure modes and characterisation.</li>\n<li>Knowledge of thermal, mechanical, power, signal integrity constraints in dense hardware.</li>\n<li>Knowledge of SiPh design process, yield improvement and reliability testing.</li>\n<li>Familiarity with CPO technologies and challenges/risk areas.</li>\n<li>Familiarity with subcomponent supply chains and global manufacturers, ODMs and CMs.</li>\n<li>Strong problem-solving skills and ability to thrive in a fast-paced, ambiguous setting.</li>\n</ul>\n<p>Compensation and Benefits:</p>\n<p>$180,000 - $440,000 USD</p>\n<p>Base salary is just one part of our total rewards package at X, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short &amp; 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We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees.</p>\n<p><strong>Key Responsibilities</strong></p>\n<ol>\n<li>Own the category end-to-end: strategy, business case, supplier selection, executive alignment, and operational enablement</li>\n</ol>\n<ol>\n<li>Lead complex commercial negotiations including MSAs, NRE, cost models, open-book pricing, ramp/capacity commitments, and risk-buy frameworks</li>\n</ol>\n<ol>\n<li>Build and scale a reliable global supply base with redundancy and geopolitical compliance, including mapping and influencing sub-tier suppliers to ensure resilience across the extended supply chain.</li>\n</ol>\n<ol>\n<li>Translate engineering requirements into actionable sourcing plans with tier-1 manufacturing partners</li>\n</ol>\n<ol>\n<li>Drive cost benchmarking and teardown insights to shape long-term cost-down strategies</li>\n</ol>\n<ol>\n<li>Maintain tight alignment with Operations, Capacity Planning, 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You will be the single-threaded leader across supplier strategy, selection, negotiations, and commercial/operational execution.</p>\n<p>You will be accountable for enabling massive growth, reducing long-term cost curves, securing supply resilience, and aligning supplier technology roadmaps with OpenAI’s future system architecture needs.</p>\n<p>This role is based in San Francisco, CA. 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