Mechanical Assembler II 3rd Shift (Onsite - Puerto Rico)

RTX; Santa Isabel (PR); On-site; USD 38,000 - 54,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) matching

Job summary

Collins Aerospace seeks a Mechanical Assembler at the Santa Isabel, PR site to perform mechanical and electro‑mechanical assembly, testing, fabrication and inspection. You will follow blueprints and specifications, operate tools, and help maintain workflow while ensuring product quality.

Role requires reading engineering drawings, using SAP-derived workflows, and maintaining safety standards in a high‑reliability environment. Relocation not offered; Puerto Rico residency required.

Qualifications

• Requires HS diploma or GED with 1 year of relevant experience.
• Demonstrated ability to communicate in English (verbal and written).
• U.S. citizenship is required for access under this program/contract

Responsibilities

• Read and follow blueprints, diagrams, and specifications.
• Operate hand and electrical tools and measurement devices.
• Maintain inventory in workstations and perform quality checks.
• Rework or repair assemblies per engineering changes.
• Ensure all work meets quality and safety standards.

Skills

Blueprints reading

English communication

Tool handling

Quality checks

Education

HS diploma or GED

Tools

SAP

MD04

MB51

CA03

CS03

Job description

Date Posted:

2026-09-03

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

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 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. You will be required to successfully complete a post offer vision examination.

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 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

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!

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.

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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