Lumentum Operations LLC

Principal Data Scientist

Lumentum Operations LLC • $149K — $214K *
Manufacturing & Automotive
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Ph.D. or Master's degree in a quantitative field (Computer Science, Statistics, Mathematics, Engineering).
  • 15+ years of experience in data science, applied statistics, or closely related discipline.
  • Expertise in photonics, semiconductors, or complex manufacturing analytics.
  • Proficiency in statistical methods such as regression, multivariate analysis, and experimental design.
  • Strong programming skills in Python and SQL, with experience managing high-dimensional datasets.
  • Proven communication skills to bridge technical concepts to business leaders.
  • Record of influence and mentoring without direct authority.

Responsibilities

  • Lead advanced analytics initiatives for factory operations.
  • Collaborate with manufacturing leaders to define and prioritize analytical projects.
  • Analyze complex manufacturing processes to identify key factors affecting performance.
  • Develop and implement statistical and predictive models for operational insights.
  • Design experiments to validate process improvements and understand drivers.
  • Establish clear analytical definitions and structures across production processes.
  • Mentor junior data professionals and promote statistical thinking across the organization.

Benefits

  • Comprehensive health and welfare benefits.
  • Opportunity to influence senior leadership and drive innovation.
  • Mentorship and leadership development in a high-impact role.
  • Collaborative environment with a focus on technical and analytical excellence.
Full Job Description
As a Principal Data Scientist at Lumentum Operations LLC, you will lead the development and deployment of advanced analytical solutions to drive business innovation and operational excellence. You will leverage your expertise in data science, machine learning, and statistical modeling to extract actionable insights from complex datasets and inform strategic decisions across various functions.

Job Responsibilities:
  • Lead the data-science and advanced-analytics agenda for FAB and factory operations.
  • Partner with manufacturing and engineering leaders to frame problems, define analytical requirements, and prioritize analytical work.
  • Analyze FAB and factory processes, including yield, process variability, excursions, equipment behavior, throughput, bottlenecks, cycle time, WIP, rework, test fallout, quality, and scrap.
  • Develop and apply statistical, predictive, and prescriptive models using complex, high-volume manufacturing data.
  • Design and evaluate experiments, including DOE and controlled analyses, to understand process drivers and validate improvement actions.
  • Apply regression, multivariate analysis, time-series methods, anomaly detection, causal reasoning, SPC, and other advanced statistical techniques.
  • Establish trusted analytical definitions, features, and data structures across lots, products, process steps, equipment, recipes, materials, test results, defects, and production events.
  • Work with data engineering and platform teams to productionize datasets, features, models, and analytical applications.
  • Support analytics across MES, SPC, FDC, R2R, equipment, test, quality, ERP, supply-chain, and planning systems.
  • Review analytical methods and results for statistical rigor, data quality, interpretability, and practical usability.
  • Communicate technical findings, assumptions, uncertainty, tradeoffs, and recommendations to engineers, operators, business leaders, and executives.
  • Build reusable analytical methods, documentation, validation standards, and model-monitoring practices.
  • Mentor data scientists, analysts, and engineers in statistical thinking, problem framing, modeling, and technical communication.
  • Represent Corporate Analytics & Data Science as a trusted technical advisor to manufacturing and operations leadership.


Job Qualifications:**
  • Ph.D. or Master's degree in Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field.
  • 15+ years of progressive experience in data science, applied statistics, manufacturing analytics, process engineering, yield engineering, operations research, or a closely related discipline.
  • Advanced degree in statistics, data science, industrial engineering, electrical engineering, materials science, physics, operations research, or a related quantitative field; equivalent experience may be considered.
  • Demonstrated experience applying advanced analytics and statistical modeling in photonics, semiconductor, optical-component, wafer, electronics, or similarly complex manufacturing environments.
  • Deep understanding of FAB and factory processes, including process control, yield analysis, equipment behavior, production flow, test, quality, and manufacturing execution systems.
  • Expert knowledge of experimental design, DOE, regression, multivariate analysis, time-series modeling, anomaly detection, causal analysis, and statistical process control.
  • Advanced programming skills in Python and SQL; strong experience working with large, complex, and high-dimensional datasets.
  • Experience developing analytical solutions that are adopted by engineering, manufacturing, quality, or operations teams.
  • Demonstrated ability to influence senior technical and business stakeholders across organizational boundaries.
  • Strong executive communication skills, including the ability to explain complex statistical and technical findings in clear business language.
  • Proven record of technical leadership, mentoring, and raising analytical standards without requiring direct people-management authority.

Pay Range:
P80-USA-1 :$149,900.00 - $214,150.00
Disclaimer:

Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits.

About Lumentum Operations LLC

Lumentum is a leading provider of photonics products for optical networking and commercial laser customers worldwide. The company designs and manufactures innovative optical and photonic products enabling optical networking and commercial laser customers worldwide. Lumentum's optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. The company's commercial lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in Milpitas, California, and has R&D, manufacturing, and sales offices worldwide. The company was founded in 2015 as a spinoff from JDS Uniphase Corporation.
Learn more about Lumentum Operations LLC
Size
5,618 employees
Market Cap
$3.4 billion
Industry
Net Income
$189.1 million
Founded
2015
5 Year Trend
+11.3%
Revenue
$1.7 billion
NASDAQ

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