Job Posting: Seattle Mariners – Baseball Analytics and Projects Internships

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Intern, Baseball Projects
Intern, Analytics


Intern, Baseball Projects

Reports To: Assistant Director, Baseball Projects

Status: Hourly, Non-Exempt

Timeline: Preference will be given to candidates who can start by March 1, 2025, and work through mid-October 2025. Flexible timeline for candidates enrolled in college.

Primary Objective: Responsible for contributing to technical projects at the intersection of baseball analytics and broader baseball operations, with an emphasis on creating innovative tools & streamlining communications.

Essential Functions:

  • Develop reports, software, and educational materials to facilitate evidence-based decision-making throughout broader baseball operations.
  • Provide quantitative support to player plan, high performance, advance scouting, and other player improvement processes.             
  • Contribute to amateur & professional player acquisition decisions in both formal & informal contexts.
  • Fulfill ad hoc requests from coaches, scouts, and other staff about internal metrics & processes.
  • Will perform other duties as assigned by Assistant Director, Baseball Projects.

Education and Experience:

  • Bachelor’s degree preferred. Equivalent, relevant experience may be considered in lieu of education requirements if approved by management.
  • Proficiency handling large datasets in R, SQL, Python, and/or comparable languages is required.
  • Shiny application or other web development experience is preferred.
  • Experience building predictive models is a plus, but not required.
  • Ability to communicate in Spanish is a plus, but not required.

Competencies, Knowledge, Skills and Abilities (KSA’s):

  • Strong problem-solving abilities with attention to detail in a fast-paced working environment.
  • Knowledge of baseball rules and passion for baseball innovation.
  • Authentic and Aware: Exemplifies the highest standards of professionalism and ethics, demonstrating a dedication to doing the right thing and treating everyone with respect. Is self-aware and open to feedback, ability to speak the truth with a positive intent, foster a culture of honesty and builds trust with the team. Commitment to the organization’s mission is evident in both words and actions, aligned to actively contribute to the fulfillment of organizational goals. 
  • Communicate and Collaborate: Values others and their views, actively engaging and partnering with team members. Seeks clarity and shares information transparently, fostering a collaborative environment while influencing others and aligning support. Excels in seeking out and leveraging the right resources, engaging in teamwork with a positive and productive approach. Whether verbally or in writing, communicates in a clear and constructive manner, contributing to an engaged and efficient workplace. 
  • Execute with Purpose: Takes action and demonstrates accountability, leading with a sense of urgency and dedication to achieving results. Sets and meets challenging expectations for themselves and others, making timely, data-driven decisions and taking ownership of outcomes. Approachable, engaged, and committed; sets a positive tone and cares deeply about the organization. Manages time, priorities, and resources effectively, aiming for and achieving excellence. 
  • Adapt and Innovate: Acts boldly, fosters innovation, and supports transformational change. Leveraging analysis and insights, develops new directions and solutions, identifying opportunities for improvement and displaying a commitment to fixing them. With an ongoing commitment to learning and self-development, overcomes challenges constructively and adjusts effectively to shifting priorities and rapid change. This approach contributes to a dynamic work environment focused on progress and continuous improvement. 

The Mariners are committed to providing a competitive total rewards package for our valued Team Members.

The anticipated compensation for this role is $20.00 per hour. We also provide complimentary parking and paid public transportation.

All benefits are subject to eligibility requirements and the terms of official plan documents which may be modified or amended from time to time.

This information is being provided in accordance with the Washington State Equal Pay and Opportunity Act.

To Apply:
To apply, please follow this link.


Intern, Analytics

Reports To: Manager, Baseball Analytics

Status: Hourly, Non-Exempt

Timeline: Preference will be given to candidates who can start by March 1, 2025 or sooner, and work through mid-October 2025.

Primary Objective: Responsible for supporting all areas of baseball operations through baseball-related data science, including statistical modeling, research, visualizations, and other projects.

Essential Functions:

  • Statistical modeling and analysis of a variety of data sources including Trackman, Hawkeye, and proprietary data sets.
  • Ad hoc queries and quantitative research.
  • Will perform other duties as assigned.

Education and Experience:

  • Bachelor’s degree preferred. Education and experience may be considered in lieu of education requirements if approved by management.
  • A strong foundation in mathematics, statistics, computer science, and/or engineering required.
  • Proficiency in programming with either R or Python required.
  • Proficiency with SQL preferred.
  • Track record of original baseball research preferred.
  • Experience building and interpreting predictive models preferred.

Competencies, Knowledge, Skills and Abilities (KSA’s):

  • Strong technical skills in predictive modeling, data analysis, and research.
  • Authentic and Aware: Exemplifies the highest standards of professionalism and ethics, demonstrating a dedication to doing the right thing and treating everyone with respect. Is self-aware and open to feedback, ability to speak the truth with a positive intent, foster a culture of honesty and builds trust with the team. Commitment to the organization’s mission is evident in both words and actions, aligned to actively contribute to the fulfillment of organizational goals. 
  • Communicate and Collaborate: Values others and their views, actively engaging and partnering with team members. Seeks clarity and shares information transparently, fostering a collaborative environment while influencing others and aligning support. Excels in seeking out and leveraging the right resources, engaging in teamwork with a positive and productive approach. Whether verbally or in writing, communicates in a clear and constructive manner, contributing to an engaged and efficient workplace. 
  • Execute with Purpose: Takes action and demonstrates accountability, leading with a sense of urgency and dedication to achieving results. Sets and meets challenging expectations for themselves and others, making timely, data-driven decisions and taking ownership of outcomes. Approachable, engaged, and committed; sets a positive tone and cares deeply about the organization. Manages time, priorities, and resources effectively, aiming for and achieving excellence. 
  • Adapt and Innovate: Acts boldly, fosters innovation, and supports transformational change. Leveraging analysis and insights, develops new directions and solutions, identifying opportunities for improvement and displaying a commitment to fixing them. With an ongoing commitment to learning and self-development, overcomes challenges constructively and adjusts effectively to shifting priorities and rapid change. This approach contributes to a dynamic work environment focused on progress and continuous improvement. 

The Mariners are committed to providing a competitive total rewards package for our valued Team Members. 

The anticipated compensation for this role is $20.00 per hour. We also provide complimentary parking and paid public transportation. 

All benefits are subject to eligibility requirements and the terms of official plan documents which may be modified or amended from time to time. 

This information is being provided in accordance with the Washington State Equal Pay and Opportunity Act.

To Apply:
To apply, please follow this link.

The content in this posting was created and provided solely by the Seattle Mariners.





David Appelman is the creator of FanGraphs.

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