AI Engineering Intern Summer 2027

Lennox International; Richardson (TX); On-site; USD 31,000 - 34,000; Full time

Benefits offered by this job

Competitive pay

Relocation assistance

Internship community

Exposure to industry innovation

Learning and development

Job summary

Lennox International in Richardson, TX invites ambitious master's students to join a 10-12 week AI/ML internship focused on building agentic AI systems, ML models for forecasting and operational optimization, and data analysis across enterprise datasets. You'll collaborate with product, engineering, and business teams to deliver impactful solutions.

Successful interns may join Lennox Full-Time after graduation. Relocation and/or travel may be required for your position.

Qualifications

• Pursuing a Masters degree in a related field.
• Strong foundation in machine learning and data science, including regression, classification, and time series modeling.
• Strong written and verbal communication
• Proficiency in Python and data tools such as Pandas, NumPy, Scikit-learn, and SQL
• Understanding of GenAI and LLMs, with interest in prompt engineering, agentic workflows, and tool integration
• Ability to analyze structured and unstructured data, perform feature engineering, and build interpretable models.

Responsibilities

• Collaborate on building agentic AI systems that automate diagnostics and decision-making in engineering workflows.
• Develop and validate machine learning models for forecasting, quoting, and operational optimization.
• Conduct data analysis and feature engineering using structured and unstructured enterprise datasets.
• Contribute to LLM-based agent development, including prompt design, tool integration, and fallback orchestration.
• Assist in deploying models and agents using cloud technologies and secure enterprise pipelines.
• Participate in AI governance, ensuring models comply with data policies and learn from feedback.
• Work cross-functionally with product, engineering, and business teams to deliver impactful solutions.

Skills

Python

Pandas

NumPy

Scikit-learn

SQL

GenAI/LLMs

Prompt engineering

Time series modeling

Communication

Education

Master's degree in a related field

Tools

Microsoft Office

Job description

Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

What Drives Success

As anInternat Lennox, you will be a part of a team of innovative and knowledgeable industry professionals. You can expect to participate in impactful, developmental projects designed for your specific area of focus. This is approximately a 10 to 12-week program that will provide you with real work experiences to grow your career and provide exposure to business leaders throughout the company.

Successful interns will have the potential opportunity of joining Lennox Full-Time upon graduation. Relocation and/or travel may be required for your position.

WHAT IS IN IT FOR YOU?

• Meaningful Projects: Engage in hands-on, impactful projects that contribute to real business outcomes, allowing you to make a difference from day one.
• Internship Community: Become part of a supportive community of fellow interns, participating in social events, team-building activities, and engagement initiatives.
• Exposure to Industry Innovation: Immerse yourself in a dynamic and innovative environment, gaining exposure to cutting-edge technologies, trends, and practices within the HVAC and manufacturing industry.
• Learning and Development: Access to a variety of learning resources, workshops, and training sessions tailored to enhance your skills, expand your knowledge, and foster continuous learning.
• Competitive Pay & Relocation Assistance: Receive a competitive compensation package, recognizing the value of your contributions and the skills you bring to the table. Those relocating also receive assistance to help with their move.

WHAT WILL YOU DO?

• Collaborate on building agentic AI systems that automate diagnostics and decision-making in engineering workflows.
• Develop and validate machine learning models for forecasting, quoting, and operational optimization.
• Conduct data analysis and feature engineering using structured and unstructured enterprise datasets.
• Contribute to LLM-based agent development, including prompt design, tool integration, and fallback orchestration.
• Assist in deploying models and agents using cloud technologies and secure enterprise pipelines.
• Participate in AI governance, ensuring models comply with data policies and learn from feedback.
• Work cross-functionally with product, engineering, and business teams to deliver impactful solutions.

WHAT DO YOU NEED TO SUCCEED?

Required Qualifications:

• Pursuing a Masters degree in a related field
• Strong foundation in machine learning and data science, including regression, classification, and time series modeling.
• Strong written and verbal communication
• Proficiency in Python and data tools such as Pandas, NumPy, Scikit-learn, and SQL
• Understanding of GenAI and LLMs, with interest in prompt engineering, agentic workflows, and tool integration
• Ability to analyze structured and unstructured data, perform feature engineering, and build interpretable models.

WHAT WILL GIVE YOU AN EDGE?

Preferred Qualifications:

• Interest or desire to lead project teams
• Well organized & detail oriented
• Ability to work independent as well as part of a team
• Passion for producing high quality work

What We Are Looking For

Requires current enrollment in a Masters program.Developing professional knowledge in the area of expertise. Solid written and verbal communication skills. Proficient in Microsoft Office.

What We Offer

WHAT WE OFFER:

Compensation:This is an hourly non-exempt role. The starting pay range for this role and market is between $22.50-$25.00/hour. This rate is based on the intern's current year in their respective university programs. Graduate students may receive a higher rate of pay based on their year in school. Employees in this role are also eligible to earn overtime when they work more than 40 hours in a week (or as otherwise required by state law).

Our Culture:At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture – which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member’s contributions. As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success. At Lennox, you’ll take pride in our brands, knowing you are part of something special. Come, stay, and grow with us!

Disclaimers:Thecompensationandbenefitsinformationisaccurateasofthedateofthis posting.