Senior Machine Learning Engineer - GUS

Posted Yesterday
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Chicago, IL, USA
Hybrid
134K-224K Annually
Senior level
eCommerce • Information Technology • Retail • Industrial
North America's leading B2B supplier of maintenance, repair and operating supplies and related services.
The Role
Leads the design, development, deployment, and automation of production-grade machine learning and optimization solutions. Builds scalable data and ETL pipelines, internal ML and ERP tools, and reusable engineering frameworks. Ensures reliability through software engineering and DevOps practices, evaluates emerging technologies, documents architectures, collaborates cross-functionally, and mentors team members. Work includes AWS, Databricks, optimization modeling, web applications, databases, orchestration, containers, and machine learning frameworks.
Summary Generated by Built In
Work Location Type: Hybrid
Req Number 336299
About Grainger
W.W. Grainger, Inc., is a leading broad line distributor with operations primarily in North America, Japan and the United Kingdom. At Grainger, We Keep the World Working® by serving more than 4.5 million customers worldwide with products and solutions delivered through innovative technology and deep customer relationships. Known for its commitment to service and award-winning culture, the Company had 2024 revenue of $17.2 billion across its two business models. In the High-Touch Solutions segment, Grainger offers approximately 2 million maintenance, repair and operating (MRO) products and services, including technical support and inventory management. In the Endless Assortment segment, Zoro.com offers customers access to more than 14 million products, and MonotaRO.com offers more than 24 million products. For more information, visit www.grainger.com.
Compensation
The anticipated base pay compensation range for this position is $134,100.00 - $223,500.00. This role is eligible for an incentive target of up to 10 %, based on the achievement of individual and company performance objectives in accordance with the current terms of the incentive program which are subject to change.
Position is not eligible for visa sponsorship.
Rewards and Benefits
With benefits starting on day one, our programs provide choice and flexibility to meet team members' individual needs, including:
  • Medical, dental, vision, and life insurance plans with coverage starting on day one of employment and 6 free sessions each year with a licensed therapist to support your emotional wellbeing.
  • 18 paid time off (PTO) days annually for full-time employees (accrual prorated based on employment start date) and 6 company holidays per year.
  • 6% company contribution to a 401(k) Retirement Savings Plan each pay period, no employee contribution required.
  • Employee discounts, tuition reimbursement, student loan refinancing and free access to financial counseling, education, and tools.
  • Maternity support programs, nursing benefits, and up to 14 weeks paid leave for birth parents and up to 4 weeks paid leave for non-birth parents.

For additional information and details regarding Grainger's benefits, please click on the link below:
https://experience100.ehr.com/grainger/Home/Tools-Resources/Key-Resources/New-Hire
Grainger Benefits
The pay range provided above is not a guarantee of compensation. The range reflects the potential base pay for this role at the time of this posting based on the job grade for this position. Individual base pay compensation will depend, in part, on factors such as geographic work location and relevant experience and skills.
The anticipated compensation range described above is subject to change and the compensation ultimately paid may be higher or lower than the range described above.
Grainger reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion at any time, consistent with applicable law.
Position Details
The Senior Machine Learning Engineer - GUS designs and delivers scalable, production-grade solutions that enhance data-driven decision-making across the enterprise. This role leads the development and automation of robust data pipelines, deploys advanced machine learning and operations research models, and creates reusable tools and frameworks that enable data scientists to accelerate experimentation and model delivery. The position collaborates with cross-functional teams-including planning, product management, and analytics-to drive improvements in availability, efficiency, and overall business performance across diverse operational domains.
You Will
  • Leads the development of scalable, automated processes for large-scale data analysis, model training, validation, and deployment.
  • Oversees the implementation and continuous improvement of machine learning and operations research models in collaboration with data scientists, while partnering cross-functionally to ensure alignment with business needs.
  • Designs and maintains robust ETL pipelines and automate critical system operations to support reliable data flow and model performance.
  • Builds internal tools and web applications that enable stakeholders to interact with ML and ERP systems effectively.
  • Evaluates and integrates emerging technologies to drive innovation and align solutions with strategic goals.
  • Ensures production-grade reliability and maintainability of deployed ML solutions using best practices in software engineering and DevOps.
  • Mentors and guides team members in technical execution, architecture decisions, and career development.
  • Creates and maintains architectural diagrams and documentation to support system design, scalability, and knowledge sharing across teams.

You Have
  • Bachelor's Degree Computer Science, Engineering, or a related field required
  • Master's Degree Related technical field or equivalent practical experience preferred
  • 3+ years Production ML, optimization, modern data tools, and scalable engineering practices required
  • Demonstrates experience with AWS services such as S3, ECR, and Secrets Manager.
  • Deploys and maintains production-grade machine learning solutions using Python.
  • Applies mathematical optimization using solvers like Gurobi.
  • Develops web applications integrated with machine learning and ERP systems.
  • Applies knowledge of operations research and optimization modeling.
  • Utilizes database technologies (e.g., Snowflake, DuckDB) and SQL for data querying.
  • Works with containerization tools including Kubernetes and Docker.
  • Understands machine learning concepts such as time series forecasting and clustering.
  • Follows software engineering best practices including version control and CI/CD (e.g., GitHub, GitHub Actions).
  • Automates workflows using orchestration tools like Astronomer or Airflow.
  • Builds and supports solutions within the Databricks platform.
  • Uses machine learning frameworks and libraries such as PyTorch and scikit-learn.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, protected veteran status or any other protected characteristic under federal, state, or local law. We are proud to be an equal opportunity workplace.
We are committed to fostering an inclusive, accessible work environment that includes both providing reasonable accommodations to individuals with disabilities during the application and hiring process as well as throughout the course of one's employment, should you need a reasonable accommodation during the application and selection process, including, but not limited to use of our website, any part of the application, interview or hiring process, please advise us so that we can provide appropriate assistance.

Skills Required

  • Bachelor's degree in Computer Science, Engineering, or a related field
  • Master's degree in a related technical field or equivalent practical experience
  • 3+ years of experience in production machine learning, optimization, modern data tools, and scalable engineering practices
  • Experience with AWS services including S3, ECR, and Secrets Manager
  • Experience deploying and maintaining production-grade machine learning solutions using Python
  • Experience applying mathematical optimization with solvers such as Gurobi
  • Experience developing web applications integrated with machine learning and ERP systems
  • Knowledge of operations research and optimization modeling
  • Experience with database technologies such as Snowflake or DuckDB and SQL
  • Experience with Kubernetes and Docker
  • Knowledge of machine learning concepts including time series forecasting and clustering
  • Knowledge of software engineering practices including version control and CI/CD, such as GitHub and GitHub Actions
  • Experience automating workflows with Astronomer or Airflow
  • Experience building and supporting solutions within Databricks
  • Experience with machine learning frameworks and libraries such as PyTorch and scikit-learn

What the Team is Saying

Grainger Compensation & Benefits Highlights

  • Retirement Support — Retirement contributions are described as automatic each pay period and immediately vested, standing out as a core strength of the total rewards package.
  • Healthcare Strength — Medical, dental, vision, life, and disability coverage are advertised with day-one eligibility for many roles, alongside added mental-health support such as free therapy sessions.
  • Parental & Family Support — Paid parental leave offers extended time for birth and non-birth parents, and additional resources like adoption assistance are highlighted.

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The Company
HQ: Lake Forest, IL
26,000 Employees
Year Founded: 1927

What We Do

Grainger is a leading broad line distributor with operations primarily in North America and Japan. We Keep The World Working® by serving more than 4.6 million customers worldwide with products delivered through innovative technology and deep customer relationships. We’re dedicated to providing value for customers, fostering an engaging culture for team members and driving strong financial results. Our welcoming workplace enables you to learn, grow and make a difference by keeping businesses running and their people safe. As a Platinum Employer on the Where You Work Matters list, a 2026 Glassdoor Best Place to Work and a Great Place to Work-Certified™ company, we’re looking for passionate people to join our team as we continue leading the industry. Find your way with Grainger at jobs.grainger.com.

Why Work With Us

We're proud of our people-focused culture. We embrace new ways of thinking and recognize everyone as an individual. At Grainger, we have a welcoming workplace where you can fell comfortable, confident and learn and grow at any career stage, all while fulfilling our purpose to keep the world working.

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Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
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HQLake Forest, IL
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Chicago, IL
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