L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

We are seeking to fill an intern position with the Aero Thermal Fluids (ATF) Engineering group for the summer of 2025 at our Huntsville, AL site.

Summer internships will start in approximately May/June and end in August/September.

Projects will focus on areas including thermal or fluid dynamics analysis of solid rocket propulsion systems and components.

Tasks will vary but may include analysis requiring knowledge of thermal analysis and CFD (Computational Fluid Dynamics), preparing analysis models and reviewing analysis results with senior analysts.  

Interns may assist in reducing solid rocket motor test data to validate results of analysis models.

Candidate must be currently enrolled in a B.S. degree program in Mechanical or Aerospace Engineering (or similar major) OR enrolled in an advanced degree program in related major, and returning to school upon completion of the assignment.

Preferred Qualifications

3.2 GPA or above

Junior standing or above; graduate students preferred

Solid academic track record of accomplishment

Working knowledge of Microsoft Software applications (Excel, Word, PowerPoint)

Excellent communication and problem-solving skills

Leadership & teamwork skills

Coursework in Thermodynamics, Heat Transfer, and Solid Rocket Propulsion

Computer programming experience

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

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