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Contract Mechanical Engineer Jobs in Puerto Rico

S. citizens are authorized to access information under this program/contract. Security Clearance ... Bachelor's degree in Mechanical Engineering or Aerospace Engineering * GPA of 3.0 or higher

S. citizens are authorized to access information under this program/contract. Security Clearance ... Bachelor's degree in Mechanical Engineering or Aerospace Engineering * GPA of 3.0 or higher

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Contract Mechanical Engineer information

What is a contract mechanical engineer?

Contract Mechanical Engineers are professionals who design, develop, and test mechanical devices and systems, but work on a contractual basis rather than as permanent employees. They may be hired for specific projects or periods by companies needing specialized expertise. Their responsibilities can include creating technical drawings, overseeing manufacturing processes, and ensuring products meet quality standards. Contract roles offer flexibility and variety in work, but may not provide the same benefits or job security as permanent positions.

What does a contract mechanical engineer do?

Contract mechanical engineers are independent contractors who work directly with their own clients on projects. You find these professionals in a broad range of industries, including robotics, medical devices, and manufacturing. As a contract mechanical engineer, you design a product or machine according to your client's specifications, analyze the blueprints to ensure they are accurate, test a model to identify any potential issues, and repair them as necessary. Your job duties typically involve the extensive usage of specialized computer programs, such as CAD for technical drawings. Depending on the project, you may collaborate with other engineers on different aspects of the plans to ensure they do not conflict with other parts of the project.

What are the key skills and qualifications needed to thrive as a contract mechanical engineer, and why are they important?

To thrive as a Contract Mechanical Engineer, you need a solid background in mechanical engineering principles, problem-solving abilities, and a relevant engineering degree, often complemented by a Professional Engineer (PE) license. Familiarity with CAD software (such as SolidWorks or AutoCAD), finite element analysis tools, and project management systems is typically required. Strong communication, adaptability, and time management skills help you excel in diverse project environments and collaborate effectively with clients and teams. These skills and qualities are crucial for delivering high-quality engineering solutions on time and within budget in a contract-based setting.

What are some common challenges faced by contract mechanical engineers when working on short-term projects?

Contract Mechanical Engineers often need to quickly adapt to new team dynamics and project requirements, as short-term assignments can vary widely in scope, tools, and expectations. They may face challenges such as limited onboarding time, integrating with established teams, and managing multiple projects simultaneously. Strong communication and organizational skills are essential to succeed, as contract engineers must rapidly build rapport with colleagues and deliver results within tight deadlines. Additionally, proactively seeking feedback and clarifying project goals early can help navigate these challenges and ensure project success.

What is the difference between Contract Mechanical Engineer vs Contract Mechanical Designer?

AspectContract Mechanical EngineerContract Mechanical Designer
CredentialsBachelor's degree in Mechanical Engineering, possibly PE licenseBachelor's degree in Mechanical Design, CAD certifications often preferred
Work EnvironmentEngineering firms, manufacturing, product developmentDesign studios, manufacturing, product development
Employer & Industry UsageUsed across engineering and manufacturing sectorsCommon in design and product development sectors
Common Search & ComparisonOften compared for engineering roles involving analysis and designCompared for roles focused on detailed design and CAD work

Contract Mechanical Engineers focus on designing, analyzing, and testing mechanical systems, requiring engineering credentials. Contract Mechanical Designers primarily work on creating detailed CAD models and drawings, often with design certifications. Both roles are vital in manufacturing and product development, but they differ in scope and responsibilities.

What are the most commonly searched types of Mechanical Engineer jobs in Puerto Rico?

The most popular types of Mechanical Engineer jobs in Puerto Rico are:

What are popular job titles related to Contract Mechanical Engineer jobs in Puerto Rico?

For Contract Mechanical Engineer jobs in Puerto Rico, the most frequently searched job titles are:

What cities in Puerto Rico are hiring for Contract Mechanical Engineer jobs?

Cities in Puerto Rico with the most Contract Mechanical Engineer job openings:

Infographic showing various Contract Mechanical Engineer job openings in Puerto Rico as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, 1% Contract, and 3% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution.

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

Collins Aerospace

Santa Isabel, PR • On-site

$16.25 - $20.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Collins Aerospace rating

8.4

Company rating: 8.4 out of 10

Based on 251 frontline employees who took The Breakroom Quiz

32nd of 72 rated aerospace companies


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!  

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.

* 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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About Collins Aerospace

Sourced by ZipRecruiter

Collins Aerospace, a Raytheon Technologies 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.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Charlotte, NC, US

Year founded

2018