Data Scientist Intern

Martin Marietta is hiring a Data Scientist Intern in Raleigh, NC (on-site). When: Summer 2027. Posted November 13, 2026. Checked against the employer's posting on November 14, 2026.

Job Description: At Martin Marietta, we are always looking for the best and the brightest, for people who have the potential to be the Company's future leaders.

We are building on our foundation of success by selecting the finest people and helping them realize their potential. When you decide to build your career at Martin Marietta, you'll know what it's like to be respected, challenged, and rewarded.

As a Data Scientist Intern, you will be a member of the Data Engineering and Science team, working alongside experienced professionals to support the development, maintenance, and implementation of data architecture, data science, and machine learning solutions.

This internship provides an opportunity to apply classroom knowledge to real-world business challenges while gaining experience with data, analytics, and emerging technologies.

Key Responsibilities Follow and promote Martin Marietta's safety, environmental, and ethical standards in all work activities. Actively participate in company initiatives and support a culture of operational excellence and continuous improvement.

Conduct data exploration, extraction, cleansing, standardization, and wrangling to prepare data for analysis and modeling. Analyze data to identify trends, correlations, patterns, and opportunities that support business decision-making.

Support the development, testing, and implementation of data science and machine learning solutions. Use AI-assisted development tools (GitHub Copilot, Snowflake Cortex Code) and standard engineering practices (Git version control, code reviews, CI/CD pipelines) to build, test, and document Python applications and APIs deployed on AWS and Snowflake.

Assist in designing, building, and testing AI agents on Snowflake Cortex (Cortex Search, Cortex Analyst, Cortex Agents), including semantic models, document ingestion, and evaluation of agent responses.

Support existing ML and optimization solutions through data validation, monitoring, and enhancements. Assist with building and maintaining data pipelines that load and transform data in Snowflake to support analytics, ML, and AI agent use cases.

Collaborate with members of the Data Engineering & Science team and cross-functional business partners to understand business needs and develop data-driven solutions.

Document analytical processes, methodologies, and solutions to support ongoing maintenance and knowledge sharing. Demonstrate initiative, professionalism, adaptability, and a strong work ethic while working independently and as part of a team.

Perform all responsibilities in accordance with the Company's Mission, Vision, Values, policies, procedures, and Code of Ethical Business Conduct. Qualifications Currently pursuing a bachelor’s or master’s degree in data science, mathematics, statistics, computer science, engineering, or another closely related quantitative field.

Rising Junior, Senior, or Master's student preferred. Proficiency in Python and data science libraries. Experience developing in Python both in notebooks and in scripts or applications; familiarity with Git and SQL.

Experience with one or more business intelligence or data visualization tools, such as Streamlit, Alteryx, Power BI, or Tableau is a plus. Exposure to Snowflake and AWS preferred; exposure to LLM APIs, prompt engineering, RAG, or AI agent frameworks is a strong plus.

Strong analytical, problem-solving, and critical-thinking skills. Strong verbal and written communication skills. Ability to work independently with minimal supervision and effectively manage multiple priorities.

Ability to collaborate effectively within a team environment. Strong interest in applying data science, machine learning, and AI to solve real-world business challenges.

Must be available to work onsite at a Martin Marietta office location; this position is not remote. Why Martin Marietta? At Martin Marietta, we invest in developing future leaders.

Our Data Science Internship provides meaningful project work, experienced mentors, and exposure to advanced analytics and technology solutions supporting one of North America's leading building materials companies.

Interns gain valuable industry experience while building relationships and skills that can lead to future internship opportunities and full-time careers in Data Engineering, Data Science, Analytics, and Information Services.

If you're looking for an opportunity to learn, grow, and use data and technology to help build the future, we encourage you to apply. In addition to the primary responsibilities outlined in the Job Description section, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs.

Flexibility and adaptability to evolving job demands are essential. A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of heavy building materials – including aggregates, cement, ready-mixed concrete and asphalt.

Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive.

Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

At Martin Marietta, we strive to work with the best and the brightest – those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment.

Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values-driven and hardworking people realize their full potential.

When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded. In return, we offer a highly competitive benefits package, including: • Medical • Prescription Drug • Dental • Vision • Health Care Reimbursement Account • Dependent Care Reimbursement Account • Wellness Programs • Employee Assistance Plan • Paid Holidays and Vacation • 401(k) with Company matching • Pension • Salary Continuation – Short-Term Disability • Long-Term Disability Options • Employee Life Insurance • Spouse & Dependent Life Insurance • Business Travel Accident Insurance • Direct Deposit Payroll • Educational/Tuition Assistance Plan • College Scholarship Program – for dependent children • Matching Gift Program • New Auto Purchase Discount Plans At Martin Marietta, we are proud to be an Equal Opportunity Employer.

We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates.

We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Every member of our ONE Martin Marietta team is driven by our shared values of safety, integrity, excellence, community and stewardship. We are a member of the S&P 500 Index and a leading supplier of aggregates and heavy building materials.

Through a network of operations spanning 29 states, Canada and the Bahamas, our teammates supply the foundational resources on which our communities thrive and grow.

Our Specialties business provides high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

In a world that's focused on the power of many, we believe in the power of ONE – the magic of bringing together our unique perspectives, experiences and talents to evolve a shared vision and future.

Our backgrounds may vary, but our voices come together in support of the same goals. We want to build legacies for ourselves and our loved ones, strengthen our communities and safely and responsibly engage in work we know will make a difference.