Mechanical Assembler II 1st Shift (Onsite Puerto Rico)

RTX Corporation; Santa Isabel (PR); On-site; USD 35,000 - 55,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Three weeks vacation

401(k) plan with employer matching

Life insurance

Disability coverage

Employee Assistance Plan

Job summary

Collins Aerospace, an RTX company, seeks a Mechanical Assembler for Santa Isabel, PR. You will read blueprints, operate tools, inspect quality, and maintain workflow to ensure product integrity in a production environment.

Role requires HS diploma and English communication; US citizenship to access project information is required. Onsite position with relocation not offered; benefits include medical, dental, vision, and 401(k) matching.

Qualifications

• Typically requires HS diploma or equivalent with 1 year of relevant experience.
• Demonstrated English communication in verbal and written form.
• U.S. citizenship required for access to sensitive information.

Responsibilities

• Read, interpret blueprints, diagrams, and specifications.
• Operate hand and electrical tools and measuring equipment.
• Maintain inventory in workstations and perform quality checks.
• Identify defects and record issues; rework per specs.
• Perform troubleshooting and repairs on complex units.

Skills

Blueprint reading

Quality inspection

English communication

Education

High school diploma

Tools

SAP

MD04

MB51

CA03

CS03

Job description

Date Posted: 2026-10-19 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 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, identify product defects and record identified defects.
• Rework and/or repair 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.
• You will be required to successfully complete a post offer vision examination.

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!

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.

* 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.

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.

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.