Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Prior internship, co-op, academic, or professional experience involving electronics, test engineering, manufacturing, automation, troubleshooting, or a related technical field. * Demonstrated ...
New
Manati, PR · On-site
The Technical Part: * BS in Engineering, Electronics, or Computer Science and 3+ years of combined industrial experience - co-op and internship time counts. * Strong knowledge of cGMP, FDA/EMA ...
Manati, PR · On-site
The Technical Part: * BS in Engineering, Electronics, or Computer Science and 3+ years of combined industrial experience - co-op and internship time counts. * Strong knowledge of cGMP, FDA/EMA ...
Villalba, PR · On-site
$65 - $95/hr
Internship, co-op, academic project, or professional experience involving Industrial Engineering and continuous improvement activities is highly desirable. #J-18808-Ljbffr
Villalba, PR · On-site
$65 - $95/hr
Internship, co-op, academic project, or professional experience involving Industrial Engineering and continuous improvement activities is highly desirable. #J-18808-Ljbffr
Anasco, PR · On-site
Relevant engineering experience, including internships or co-op experience is required/ Fundamental understanding of manufacturing or engineering principles. Preferred experience: Experience in a ...
New
Anasco, PR · On-site
Relevant engineering experience, including internships or co-op experience is required/ Fundamental understanding of manufacturing or engineering principles. Preferred experience: Experience in a ...
New
Relevant engineering experience, including internships or co-op experience is required/ Fundamental understanding of manufacturing or engineering principles. Preferred experience: Experience in a ...
New
Relevant engineering experience, including internships or co-op experience is required/ Fundamental understanding of manufacturing or engineering principles. Preferred experience: Experience in a ...
New
Anasco, PR · On-site
Qualifications: • Bachelor's degree in Engineering or Material Science is required. • Relevant engineering experience, including internships or co-op experience is required/ • Fundamental ...
Anasco, PR · On-site
Qualifications: • Bachelor's degree in Engineering or Material Science is required. • Relevant engineering experience, including internships or co-op experience is required/ • Fundamental ...
Anasco, PR · On-site
$65 - $90/hr
Relevant engineering experience, including internships or co-op experience is required. * Fundamental understanding of manufacturing or engineering principles. Preferred experience * Experience in a ...
New
Anasco, PR · On-site
$65 - $90/hr
Relevant engineering experience, including internships or co-op experience is required. * Fundamental understanding of manufacturing or engineering principles. Preferred experience * Experience in a ...
New
PR · On-site
Related engineering, internship or co-op work experience. * Proficiency with PLS-CADD and PLS-POLE. * 3 or more years of experience in transmission line engineering. * Knowledge of the practical ...
PR · On-site
Related engineering, internship or co-op work experience. * Proficiency with PLS-CADD and PLS-POLE. * 3 or more years of experience in transmission line engineering. * Knowledge of the practical ...
Related engineering, internship or co-op work experience. * Proficiency with PLS-CADD and PLS-POLE. * 3 or more years of experience in transmission line engineering. * Knowledge of the practical ...
Related engineering, internship or co-op work experience. * Proficiency with PLS-CADD and PLS-POLE. * 3 or more years of experience in transmission line engineering. * Knowledge of the practical ...
| Aspect | Co Op Internship | Intern |
|---|---|---|
| Credentials | Typically enrolled students, may require specific coursework | Usually students or recent graduates, no specific credentials needed |
| Work Environment | Full-time, integrated with academic schedule, often paid | Part-time or full-time, short-term, often unpaid or paid |
| Duration | Semester or academic year | Few weeks to a few months |
| Purpose | Gain practical experience, academic credit | Explore career options, gain initial experience |
Both Co Op Internships and Internships provide valuable industry experience, but Co Op Internships are typically longer, integrated with academic programs, and may offer academic credit. Internships are often shorter, more flexible, and may be unpaid. The choice depends on your educational goals and availability.
The most popular types of Internship jobs in Puerto Rico are:

Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Posted yesterday
New
8.2
Based on 86 frontline employees who took The Breakroom Quiz
38th of 72 rated aerospace companies
Date Posted:
2026-09-02
Country:
United States of America
Location:
US-PR-SANTA ISABEL-B4 Felicia Industrial Park - St B4 BLDG 4
Position Role Type:
Onsite
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
Collins Aerospace is seeking a Test Sustainment Engineer to support production test systems, equipment, and instrumentation used across our manufacturing operations. This is an entry-level, individual contributor position ideal for recent engineering graduates and early-career professionals looking to build a career in test engineering, manufacturing, automation, and equipment sustainment. As a Test Sustainment Engineer , you will work under the direction of the Test Sustainment Manager and alongside experienced engineers and cross-functional teams to troubleshoot production test systems, support manufacturing issues, maintain equipment reliability, and implement continuous improvements.
In this role, you will gain hands-on experience with production test systems, test software, instrumentation, troubleshooting, data analysis, and equipment sustainment. You will have the opportunity to develop your technical skills while progressively taking on greater ownership of factory test systems and sustainment activities. This position provides a strong foundation for building a long-term career in aerospace engineering and manufacturing.
This onsite position is based at our Santa Isabel, Puerto Rico location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.
What You Will Do:
Qualifications You Must Have:
Qualifications We Prefer:
What We Offer:
Some of our competitive benefits package includes:
Learn More & Apply Now!
Operations, Supply Chain and EH &S:
The next chapter of our future as an aerospace company is here, and we are excited about what this means for our employees and customers! Get onboard the Collins Aerospace Operations team and play a part in managing our innovative products from inception to delivery. The Operations team continues to grow and aims to strengthen the connection of Manufacturing Operations, Supply Chain and Environment, Health & Safety (EH&S) across Collins Aerospace. In this dynamic environment, you will have the opportunity to network across our businesses and functions, all while improving the productivity, quality and efficiency of our operations worldwide.
Collins Aerospace, a RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.
WE ARE REDEFINING AEROSPACE.
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.
Apply now and be part of the team that's redefining aerospace, every day!
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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Guided missile and space vehicle manufacturing, it services, aerospace product and parts manufacturing and engineering professional services
10,000+ Employees
Waltham, MA, US