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Software Engineer Intern D (Palm Bay, FL)

Palm Bay, Florida

Job ID 8352
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Thrive in your career journey while creating a safer, more secure world. At L3Harris, you’ll get to solve tough problems, work in an environment where every voice is heard and enjoy best-in-class benefits.

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Success Profile

What makes a successful early career professional at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Analytical
  • Collaborative
  • Leader
  • Problem Solver
  • Strategic
  • Technologically Savvy


I completed two summer internships at L3Harris before transitioning to a full-time role. I was able to learn firsthand about the engineering process, the quality of products produced, the helpfulness of my co-workers, how the company operates and the potential to expand my career.

Jason, Electrical Engineer, Rochester, NY

L3Harris Work Perks

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Job Description

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 an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 50,000 employees, with customers in more than 100 countries.

Job Title: Systems Engineer Intern D (Palm Bay, FL)

Job Code: 8352

Job Location: Palm Bay, FL

Job Description: 

Are you ready to build game-changing capabilities for L3Harris?  We are looking for Modeling and Simulation software engineer interns to join our diverse team within the Mission Analysis Group (MAG).  The selected Modeling and Simulation Analysts will work in a fast-paced environment with a geographically dispersed team to analyze and assess the mission impacts of new technologies and products across multiple domains and for a variety of customers. Individuals will work in a collaborative environment and work significantly diverse assignments across domains and technologies. 

Essential Functions: 

  • Apply computer science, engineering, and mathematical analysis concepts and principles in the development of software for the target modeling and simulation application 

  • Support and participate in all phases of the software development life cycle, including requirements analysis, design, implementation, integration, and test of modeling and simulation software 

  • Support digital engineering efforts to integrate system performance and behaviors into operational analysis 

  • Participate in mission-level modeling and simulation studies to assess system performance, inform design trades, and evaluate overall effectiveness 

  • Integrate high-fidelity models AFSIM 

  • Support programs and pursuits by creating models, simulations, and analysis products 

  • Develop new models and processes, enhance current tool capabilities, and perform analyses 

  • Support the development of technological concepts which improve system performance and mission capabilities 


  • Bachelor’s degree in Computer Science, Engineering, Mathematics, Physics or a related discipline, OR, 2+ years of prior related experience with a Graduate Degree 

  • Ability and willingness to obtain a DoD Secret security clearance 

  • Object oriented programming experience 

  • Software development experience in Python and C++ 

Preferred Additional Skills: 

  • Master’s Degree or relevant coursework in Systems Engineering or closely related field 

  • Experience in supporting modeling, simulation, and analysis space and air domain related problems 

  • Experience with Cameo, AFSIM, STK, MATLAB, Python, Java 

  • Top Secret clearance highly desired 

  • Experience developing plug-ins for AFSIM in C++ 

  • AI/ML 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.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

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