Machinist III 2nd Shift (Onsite - Puerto Rico)

Date Posted:

2026-10-01

Country:

United States of America

Location:

US-PR-SANTA ISABEL-B1 ~ Felicia Industrial Park - St B1 ~ BLDG 1

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

Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.

 

Collins Aerospace, an 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 seeking a Machinist to join our team. In this role you will responsible for setting up, operating, and programming conventional and CNC machine tools to manufacture precision components according to engineering drawings, specifications, and quality requirements. This position requires advanced knowledge of machining processes, tooling, inspection techniques, and the ability to troubleshoot complex machining problems.

This position is based at our Santa Isabel, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

What You Will Do

• Set up and operate CNC and conventional machining equipment
• Interpret engineering drawings, blueprints, and GD&T
• Perform high‑precision machining and optimize CNC programs
• Select tools, workholding, speeds, and feeds for machining operations
• Inspect parts using precision measurement tools, including CMM
• Troubleshoot machining, tooling, and equipment issues
• Support process improvements and assist engineering teams
• Maintain equipment, document work, and follow all safety and quality standards

Qualifications You Must Have 

• Typically requires HS diploma (or equivalent, e.g. G.E.D in the US) or vocational/ technical education in related discipline with a minimum of 2 years of relevant 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
• Experience developing fixtures, tooling, and machining processes

 

 Qualifications We Prefer

• Experience with CNC mills, lathes, and multi‑axis machining, including CNC programming and CAM software
• Knowledge with manual machines such as lathes, mills and grinders
• Knowledge of lean and continuous improvement practices
• Advanced machining, precision inspection, and GD&T interpretation skills
• Strong troubleshooting and problem‑solving abilities
• Effective communication, teamwork, leadership, and mentoring capabilities

• Experience in precision machining and CNC operations
• Strong knowledge of machining principles, cutting tools, materials, speeds, and feeds
• Proficiency with precision inspection instruments
• Ability to work independently with minimal supervision

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!

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.

 

WE ARE REDEFINING AEROSPACE.

* Please consider the following role type definitions as you apply for 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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