The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data, automation, and actionable insights delivered via Calix One — our cloud-first, AI-powered platform — CSPs can simplify operations, collapse cost, and accelerate innovation. Calix One brings together the automation of everything and the experience of one, empowering customers to deliver differentiated subscriber experiences while driving acquisition, loyalty, and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify, innovate, and grow, strengthening both their businesses and the communities they serve.

We’re at the forefront of a once in a generational change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences.

Role Overview

As a Staff Data Scientist focused on Calix Cloud and Intelligence, you will apply advanced analytics and machine learning to broadband access network, service, and subscriber telemetry data. You will work closely with senior data scientists, engineers, and product teams to build models and insights that power network intelligence, service assurance, and subscriber experience analytics within Calix’s cloud platforms.

This role is ideal for PhD candidates with min 5 yrs of experience who want to translate research into production-grade AI capabilities embedded directly into Calix Cloud products.

Key Responsibilities

Calix Cloud - Analytics & AI

• Analyze and model large-scale broadband telemetry and time-series data used by Calix cloud, including throughput, latency, packet loss, utilization, and device-level metrics, and many more.

  Develop and validate ML models for Upsell, cross-sell, churn prevention, customer acquisition, anomaly detection, performance forecasting, fault classification, and capacity prediction that drive proactive network insights

  Build features and models supporting network health scoring, service quality monitoring, and subscriber Quality of Experience (QoE) analytics

  Apply advanced techniques such as time-series modeling, change-point detection, and probabilistic modeling to real-world broadband data

  Calix Cloud - Platform & Scale

  • Collaborate with data engineering and platform teams to develop and integrate models into Calix Cloud’s cloud-native analytics pipelines

    Perform EDA, feature engineering, and data preprocessing for scalable, production pipelines

    Help scale analytics and ML solutions across millions of access devices, subscriber endpoints, and Wi-Fi environments

    Design experiments and evaluate the business and operational impact of analytics on network performance and subscriber experience

    Build scalable ML pipelines and deploy models into production environments.

    Communication & Product Collaboration

    • Communicate insights clearly to product, engineering, and customer-facing teams via dashboards, reports, and presentations

      Translate ambiguous product and operational problems into well-defined data science and ML solutions

      Follow best practices in model lifecycle management, including versioning, validation, and deployment monitoring

      Required Qualifications & Technical Skills

      Education

      • PhD in Data Science or Computer Science

        Data Science & Machine Learning

        • Strong foundation in statistics, probability, and linear algebra

          Experience working with large-scale time-series and telemetry datasets typical of broadband analytics

          Hands-on experience with ML techniques, including:

          Regression and classification

          Clustering and dimensionality reduction

          Time-series analysis and forecasting

          Anomaly detection and change-point detection

          Experience with model evaluation, validation methods, and performance metrics

          Programming & Data Analysis

          • Strong programming skills in Python and familiarity with ML libraries NumPy, pandas, SciPy, scikit-learn

            Strong SQL skills for large-scale data analysis

            Ability to write clean, maintainable, and testable code

            Experience with data preprocessing, feature engineering, and exploratory data analysis (EDA)

            Broadband / Network Data Fundamentals

            • Experience in analyzing broadband network and service telemetry

              Ability to work with metrics such as latency, throughput, packet loss, utilization, and device-level signals

              Understanding of noisy, incomplete, and delayed data common in broadband environments

              Ability to reason about data across devices, subscribers, locations, and time windows

              Analytical Thinking & Communication

              • Strong problem-solving skills and the ability to translate ambiguous product or network problems into analytical solutions

                Clear written and verbal communication skills

                Experience presenting insights through charts, dashboards, and reports

                Preferred Qualifications

                • Experience or research in broadband access networks, subscriber analytics, or network intelligence

                  Familiarity with Calix-relevant broadband technologies such as Fiber (PON), Cable (DOCSIS), and Wi-Fi telemetry

                  Experience with cloud-native data platforms (AWS, GCP, Azure) and ML deployment frameworks

                  Exposure to MLOps practices, including CI/CD, model monitoring, and lifecycle management

                  Knowledge of real-time analytics, streaming data, or large-scale data ecosystems

                  Publications or applied research in network analytics, anomaly detection, forecasting, or machine learning

                  The base pay range for this position varies based on the geographic location. More information about the pay range specific to candidate location and other factors will be shared during the recruitment process. Individual pay is determined based on location of residence and multiple factors, including job-related knowledge, skills and experience.

                  San Francisco Bay Area:

                  156,400 - 265,700 USD Annual

                  All Other US Locations:

                  136,000 - 231,000 USD Annual

                  As a part of the total compensation package, this role may be eligible for a bonus. For information on our benefits click here.