Test Sustainment Engineer III (Onsite - Puerto Rico)

Date Posted:

2026-09-28



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 an experienced Test Sustainment Engineer III to support the sustainment, reliability, and continuous improvement of production test systems, equipment, instrumentation, and software used across our manufacturing operations. In this role, you will independently troubleshoot complex production test issues, perform root-cause investigations, implement corrective actions, and provide technical support to manufacturing operations.

As a Test Sustainment Engineer III, you will work closely with Operations, Engineering, Quality, IT/OT, and other cross-functional teams to resolve production issues and maintain the reliability and performance of factory test systems. You will also support test-system lifecycle activities, including configuration control, upgrades, cybersecurity requirements, equipment modernization, and obsolescence management. This position provides an opportunity to take technical ownership of assigned test systems while supporting manufacturing performance and customer delivery.

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:

• Independently troubleshoot production of test equipment, instrumentation, software, and system-level issues.
• Perform root-cause investigations and implement corrective actions for recurring and production-impacting test issues.
• Own the sustainment of assigned test systems, including configuration control, documentation, backups, upgrades, and cybersecurity requirements.
• Analyze test-system performance, downtime, and recurring failures to identify reliability and continuous improvement opportunities.
• Support equipment modernization, software and operating-system upgrades, hardware replacements, and obsolescence mitigation.
• Partner with Operations, Engineering, Quality, IT/OT, and other technical teams to resolve complex production issues.
• Communicate technical risks, recovery plans, and required actions to cross-functional stakeholders.
• Provide technical guidance and support to less experienced engineers.
• Support onsite or remote troubleshooting across manufacturing locations as required.
• Participate in test-system lifecycle planning and initiatives that improve reliability, equipment performance, and factory capability.
• Travel up to 25% to other manufacturing locations in Arizona, Connecticut, and Illinois to provide onsite technical support and assist with test system sustainment activities.

Qualifications You Must Have:

• Typically requires a University Degree and minimum of 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
• Demonstrated professional or educational experience communicating in English and Spanish (verbal and written).
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Qualifications We Prefer:

• Experience in aerospace, defense, electronics manufacturing, or another regulated manufacturing environment.
• Experience with LabVIEW, TestStand, PLCs, instrumentation, environmental stress screening (ESS), acceptance test procedures (ATP), or functional test systems.
• Experience with test software sustainment, configuration control, operating-system upgrades, or obsolescence management.
• Experience with Lean Manufacturing, Six Sigma, or other continuous improvement methodologies.
• Experience providing technical guidance or mentoring to less experienced engineers.

What We Offer:

Some of our competitive benefits package includes:   

• Medical, dental, and vision insurance  
• Three weeks of vacation for newly hired employees  
• Generous 401(k) plan that includes employer matching funds
• Participation in the Employee Scholar Program (ESP)  
• Life insurance and disability coverage  
• Employee Assistance Plan, including up to 8 free counseling sessions  
• And more!  

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.

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

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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