Principal Applications Engineer – Coherent Optical & Network Systems

Marvell TechnologySanta Clara, CA
$173,800 - $257,190

About The Position

Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and beyond fleeting trends, Marvell is a place to thrive, learn, and lead. The Cloud Optics Applications Engineering team is responsible for customer-facing technical engagement, optical module qualification, system validation, and debug across hyperscale and data center deployments.

Requirements

  • Bachelor’s degree in EE, Optical Engineering, or related field (Master’s preferred)
  • 8–12+ years experience in Applications engineering, system/network validation, or optical module engineering
  • Strong hands-on lab experience with optics and system-level testing
  • Proficiency in Python for automation and data analysis
  • Proven ability to lead complex technical investigations independently
  • Experience working directly with hyperscale or large cloud customers
  • Hands-on experience with coherent optical modules (e.g., 400G/800G ZR/ZR+) in end-to-end network environments, including validation across switches and routers running SONiC, IOS‑XR, EOS, Junos, and similar network OSes on whitebox and OEM platforms (Cisco, Arista, Juniper, Nokia).
  • Strong background in Physical layer (Layer 1/Layer 2) interoperability testing, system bring-up, and cross-domain debug spanning optical performance, host interfaces, and network behavior.

Responsibilities

  • Lead end‑to‑end debug and root‑cause analysis across optical, electrical, firmware, and system layers, including interoperability between modules, switches/routers, and optical line systems
  • Partner closely with a hyperscale customer on product bring‑up, qualification execution, technical escalations, test plans and product definitions
  • Define, develop, and execute validation and debug test plans for coherent pluggable optics (e.g., 400G/800G/1.6T ZR/ZR+) operating within open line systems and network equipment
  • Develop Python-based automation for test execution, data collection, and analysis
  • Drive clear technical communication and corrective actions with internal engineering teams
  • Create essential technical documentation (application notes, qualification summaries, debug reports)

Benefits

  • employee stock purchase plan with a 2-year look back
  • family support programs
  • robust mental health resources
  • recognition and service awards
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