Mechanical Assemble II 1st Shift (Onsite Puerto Rico)

RTX; Santa Isabel (PR); On-site; USD 42,000 - 54,000; Full time

Benefits offered by this job

Health insurance

Vacation: 3 weeks

401(k) plan

ESP

Life insurance

Disability coverage

Employee Assistance Program

Job summary

Collins Aerospace, an RTX company, is seeking a Mechanical Assembler to perform mechanical and electro‑mechanical assembly, testing, fabrication, and inspection at our Santa Isabel, PR location. You will follow technical drawings and use precision tools to ensure quality and safety in a fast-paced production environment.

The role requires a HS diploma or GED with at least 1 year of related experience, English communication skills, and U.S. citizenship.

Qualifications

• HS diploma or GED or vocational/technical education 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.

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 defects.
• Rework and/or repairs of assembled equipment and products according to engineering changes.
• Adhere to quality standards and safety procedures.
• Operate in different work areas or with other production equipment based on certification and training.
• Troubleshoot and repair as needed on complex units.
• Complete vision examination post-offer as required.

Skills

English communication

Read blueprints & diagrams

Quality checks

Education

HS diploma or GED

Tools

SAP

MD04

MB51

CA03

CS03

Job description

Date Posted: 2026-10-21 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

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, 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

• 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 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.

* 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.

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.