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Open nowPosted 101 days ago

Senior / Principal PIC Test Engineer

Xscape Photonics Inc12 open roles

Where
Santa Clara
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Your applicationOpen nowSenior / Principal PIC Test EngineerXscape Photonics Inc · Santa Clara

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The clock on this job

Early applications get read.

13.6% of postings close within 7 days. Measured by our own scanner across the market. Xscape Photonics Inc postings stay open a median of 38 days.

Share of postings closed within
  1. 2.3%1 day
  2. 4.7%3 days
  3. 13.6%7 days
  4. 21.9%14 days
  5. 36.9%30 days
  6. 59.0%60 days
This job: posted 101 days ago

Xscape Photonics Inc median: 38 days open

The posting

Senior / Principal PIC Test Engineer Role Overview We are seeking an experienced PIC Test Engineer with deep expertise in both wafer- level and die-level optical and electrical test for Photonic Integrated Circuits (PICs). This role will own the test strategy and execution across the full product lifecycle—from early silicon bring-up through high-volume manufacturing (HVM). The ideal candidate is a recognized technical authority in test architecture, PIC Design-for-Test (DFT), yield learning, and factory scalability, with proven leadership in driving robust test solutions across multiple technology nodes and product families.

Key Responsibilities-

Wafer-Level Test Strategy & Architecture  Define and own the wafer-level PIC test roadmap across multiple product lines and technology platforms.  Architect scalable, high-throughput optical + electrical wafer probe solutions, balancing alignment accuracy, probe stability, and test time.  Establish release criteria, guard-banding strategy, and wafer test coverage models aligned with product requirements. Die-Level Testing  Define and own tests not carried out at wafer level. Examples include Optical Vector Analysis (OVA) testing, and polariazation-resolved testing.

First Silicon Bring-Up &Test Content Development  Lead first-silicon bring-up efforts, including test content definition, limit setting, and characterization flows.  Drive rapid yield-learning loops in partnership with design, process integration, and fabrication teams.  Enable fast debug and iteration during early node transitions and new platform ramps. DFT & PDK Collaboration  Influence PIC Design-for-Test features and PDK structures to improve wafer-level scalability, including:

  1. On-chip monitors
  2. Loopback paths
  3. Test waveguides
  4. Calibration structures

 Partner with design teams to embed manufacturable test hooks early in the development cycle. Yield Ownership & Data-Driven Analysis  Own wafer-level yield, parametric distributions, and systematic defect learning.  Perform advanced spatial analytics using wafer maps and statistical methods to separate random vs systematic process issues.  Lead root-cause investigations related to lithography bias and process drift. Manufacturing Readiness & Factory Scale-Up  Establish golden wafer / golden die methodologies for production stability and tool correlation.  Partner with foundries and OSATs to qualify wafer-level optical probe infrastructure.  Drive successful transfer of test flows into volume manufacturing environments with strong cross-tool correlation. Technical Leadership & Team Development  Serve as the technical escalation point during yield crises and manufacturing transitions.  Mentor and develop junior engineers, setting engineering standards and best practices across wafer-level test programs.  Multiply organizational impact through scalable infrastructure, DFT influence, and test standardization. Qualifications Required  10+ years of experience in PIC test engineering, wafer-level probing, or photonics manufacturing test.  Proven ownership of wafer-level optical/electrical test strategy from R&D through HVM.

 Expertise in: o Wafer-level optical probing o Die-level test development. For example: characterization of polarization splitter-rotators and characterization of component backreflection. o Probe card qualification o Yield learning and spatial analysis o Test time optimization o Foundry engagement and factory transfer

Preferred  Experience with high-speed optical and electrical testing of photonic integrated circuits or optical transceivers.  Experience specifically with silicon photonics PICs, testing over a broad wavelength range.  Experience influencing PIC DFT and collaborating closely with PDK development teams.  Strong background in high-volume semiconductor or photonics manufacturing ecosystems.  Demonstrated leadership in scaling test infrastructure across multiple nodes and product families.

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