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Mechanical Engineer Intern Jobs in Puerto Rico (NOW HIRING)

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Mechanical Engineer Intern information

What are the key skills and qualifications needed to thrive as a mechanical engineer intern, and why are they important?

To thrive as a Mechanical Engineer Intern, you need a strong grasp of engineering principles, mathematics, and problem-solving skills, typically supported by progress toward a mechanical engineering degree. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and basic manufacturing processes is often required. Strong teamwork, willingness to learn, and effective communication skills help interns collaborate and absorb feedback in a professional environment. These abilities are crucial for contributing meaningfully to engineering projects and developing technical expertise for future roles.

What types of projects and responsibilities can a mechanical engineer intern expect during their internship?

As a Mechanical Engineer Intern, you'll typically assist with tasks such as CAD modeling, design analysis, prototype testing, and documentation of mechanical systems. Interns often collaborate closely with senior engineers and cross-functional teams, contributing to ongoing projects in product development or process improvement. While responsibilities can vary by company, you may also be involved in hands-on work in labs or workshops, attending team meetings, and learning to use industry-standard engineering tools. This exposure offers a valuable opportunity to develop both technical and teamwork skills in a real-world engineering environment.

What does a mechanical engineer intern do?

A Mechanical Engineer Intern assists professional engineers with the design, development, and testing of mechanical devices and systems. Their responsibilities often include creating CAD drawings, conducting research, performing calculations, and helping with prototyping or laboratory testing. Interns gain hands-on experience by supporting real engineering projects and working alongside experienced engineers. This position provides valuable exposure to engineering processes and workplace culture, making it a key step for students studying mechanical engineering.

What is the difference between Mechanical Engineer Intern vs Mechanical Design Engineer?

AspectMechanical Engineer InternMechanical Design Engineer
Required CredentialsEnrolled in or recent graduate of Mechanical Engineering programBachelor's or higher in Mechanical Engineering or related field
Work EnvironmentInternship setting, often in engineering departments or labsFull-time engineering office or design studio
Employer & Industry UsageInternships offered by manufacturing, automotive, aerospace companiesDesign-focused roles in similar industries

The main difference between a Mechanical Engineer Intern and a Mechanical Design Engineer is experience and responsibility level. Interns are typically students gaining practical experience, while Mechanical Design Engineers are full-time professionals responsible for designing and developing mechanical systems.

What are the most commonly searched types of Mechanical Engineer jobs in Puerto Rico? The most popular types of Mechanical Engineer jobs in Puerto Rico are:
What are popular job titles related to Mechanical Engineer Intern jobs in Puerto Rico? For Mechanical Engineer Intern jobs in Puerto Rico, the most frequently searched job titles are:
What cities in Puerto Rico are hiring for Mechanical Engineer Intern jobs? Cities in Puerto Rico with the most Mechanical Engineer Intern job openings:
What are popular job titles related to Mechanical Engineer Intern jobs in PR? For Mechanical Engineer Intern jobs in PR, the most frequently searched job titles are:
Infographic showing various Mechanical Engineer Intern job openings in Puerto Rico as of August 2026, with employment types broken down into 13% Internship, 63% Full Time, and 24% Part Time. Highlights an 100% In-person job distribution.

Senior Software Engineer - Control Diagnostic System (Hybrid)

Raytheon Technologies

Aguadilla, PR • On-site

$109K - $144K/yr

Full-time

Posted 22 days ago


Job description

Date Posted:
2026-07-21
Country:
United States of America
Location:
US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110
Position Role Type:
Hybrid
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance:
None/Not Required
At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.
What You Will Do
Pratt & Whitney Controls & Diagnostic Systems (CDS) is a dynamic engineering organization focused on the development and certification of military and commercial gas turbine engine control and diagnostic systems. CDS is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development and support, including requirements analysis & definition, system & software architecture, algorithm design, product software design, verification & validation and engine and flight test support. The CDS organization is seeking a highly motivated, team oriented, and results driven Intern students to join our world-class organization.
  • Responsible for designing, developing, and implementing solutions to control dynamic mechanical, power, and electric systems.
  • Decompose system level and customer interface requirements into software or systems requirements and designs.
  • Conduct iterative prototype testing and reviews of requirements and designs.
  • Perform software verification including regression analysis, test case development, test script development and evaluation of results.
  • English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English.
  • Travel is up to 10%.

Qualifications You Must Have
  • Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM)
  • 5 years of engineering experience, or an Advanced Degree in STEM with 3 years of engineering experience.

Qualifications We Prefer
  • Basic understanding of gas turbine jet engine operation and sub-systems.
  • Programming experience in C++, MATLAB, Java, or Phyton.
  • Experience with modeling tools for complex systems (NPSS, Dymola, Simulink).
  • Ability to execute in a multidiscipline working environment.
  • US Security Clearance; willing to obtain and maintain.

What We Offer:
  • Employee Scholar Program

Learn More & Apply Now!
  • CDS develops complex, cyber-resilient control systems and software for commercial and military engines including power and thermal management Systems and auxiliary power units. CDS also develops advanced diagnostic & health management systems to monitor our products, forecast events and help facilitate MRO operations. With growing emphasis on sustainability, CDS is on the forefront of system development for hybrid and electric propulsion.

What Is My Role Type: In addition to transforming the future of flight, we are also transforming how and where we work. We've introduced role types to help you understand how you will operate in our blended work environment. This role is:
  • Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. This means that responsibilities of the job need to be performed onsite on a regular basis.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee's personal responsibility.
This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award.
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.
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