Machinist II 3rd Shift ( On-site Puerto Rico )

RTX Corporation; Santa Isabel (PR); On-site; USD 25,000 - 39,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with employer-mqt

ESP program (Employee Scholar)

Life insurance and disability coverage

Employee Assistance Plan (8 free couns

Job summary

RTX Corporation is seeking a skilled Mechanical Assembler at our Santa Isabel, Puerto Rico site. You will perform mechanical and electro‑mechanical assembly, testing, fabrication and inspection to ensure high-quality production.

The role requires residing in Puerto Rico at start; relocation is not offered. Key duties include reading blueprints, operating hand and precision tools, maintaining workspace inventory, and performing quality checks with adherence to safety standards.

Qualifications

• Typically requires HS diploma (or equivalent) with a minimum of 1 year of relevant experience.
• Demonstrated ability to communicate effectively in English (verbal and written).
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract

Responsibilities

• Read, interpret, and follow blueprints, diagrams, engineering drawings, specifications, bills of materials, and other written instructions.
• Operate hand tools, electrical tools, hand cutters, measuring equipment and light equipment.
• Maintain inventory of product in workstations.
• Perform quality work checks, identify product defects and record identified defects.
• Rework and/or repair assembled equipment according to engineering changes.
• Follow quality standards and safety procedures.
• Occasionally work in other areas or with other equipment based on certification and training.
• Troubleshoot and repair of critical and complex units.

Skills

Read blueprints

Operate tools

Quality checks

English communication

Education

HS diploma or GED

1 year relevant experience

Tools

SAP

MD04

MB51

CA03

CS03

Job description

Job Details

Date Posted: 2026-10-20 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: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62 Security Clearance: None/Not Required

Company Overview

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.

Role Summary

We are looking for a skilled Mechanical Assembler to perform mechanical and electro‑mechanical assembly, testing, fabrication, and inspection of products. You will work in both standard and non‑standard environments to ensure a smooth workflow and maintain product quality. Join our team to support efficient production processes. 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

• Read, interpret, and follow blueprints, diagrams, engineering drawings, specifications, bills of materials, and other written instructions.
• Operate hand tools, electrical tools, hand cutters, measuring equipment and light equipment.
• Maintain inventory of product in workstations.
• Perform quality work checks, identifies product defects and records identified defects.
• Rework and/or repairs assembled equipment and products according to engineering specification changes.
• Perform all work in accordance with quality standards and established safety procedures.
• Operate on occasions in other work areas or building, other production equipment according to their certification, experience and training.
• Perform troubleshooting and repairs of critical and complex units.
• Have knowledge of SAP, MD04, MB51, CA03, CS03 at least (in areas that apply)
• An essential function of this role is the ability to accurately see, read, and interpret information on screens and materials for extended periods.

Qualifications

• 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 1 year of relevant experience
• Demonstrated professional or educational experience communicating in English (verbal and written).
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract

What We Offer

• 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!

Company Culture

We’re 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.

Equal Opportunity

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.

Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.