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Senior Mechanical Engineering Jobs in Puerto Rico

Sr. Project Engineer

Juncos, PR · On-site

$96K - $125K/yr

Bachelor's degree in Packaging Engineering, Mechanical Engineering, or a related field. * 10+ years of experience in packaging engineering or a similar role. * Strong project management skills with ...

Sr Engineer

Juana Diaz, PR · On-site

$101K - $139K/yr

Mechanical or Chemical Engineering Competencies/Skills: * Working knowledge of pharmaceutical/biotech processes * Familiarity with validation processes * Familiarity with documentation in a highly ...

Sr Manufacturing Process Mechanic

Juncos, PR · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Partner with engineers to implement preventative maintenance strategies and contribute to equipment ... Associate's + 6 months Mechanical work or military experience Or High school/GED + 2 years ...

PR

$45/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

We're seeking a Sr Engineer to work at a premier pharmaceutical/biotechnology industry leader ... Bachelor degree in Engineering and 4 years of Engineering experience. (preferred Mechanical ...

PR

$65/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

We're seeking a Sr Packaging Engineer to work at a leading biotech organization in Gurabo, PR . ... Bachelor's degree in Engineering ( Packaging Engineering, Mechanical Engineer, Industrial Engineer ...

Sr Engineer - 35492

Juncos, PR · On-site

$101K - $139K/yr

Position Summary The Senior Engineer is responsible for providing technical leadership and ... Bachelor's Degree in Engineering (Mechanical, Electrical, Chemical, Industrial, or related ...

Sr Engineer - 35492

Juncos, PR · On-site

$101K - $139K/yr

Position Summary The Senior Engineer is responsible for providing technical leadership and ... Bachelor's Degree in Engineering (Mechanical, Electrical, Chemical, Industrial, or related ...

Sr Quality Engineer

Humacao, PR · On-site

$89K - $121K/yr

The Senior Quality Engineer provides quality engineering leadership for machining and selected ... Preferred bachelor's or master's degree in Mechanical, Industrial, Electrical engineering.

... Mechanical Engineering, or a related field. * 20+ years of large-scale capital construction experience. * Minimum of 10 years in a senior construction management role supporting pharmaceutical ...

Sr Quality Engineer

Humacao, PR · On-site

$89K - $121K/yr

Apply statistical analysis and quality engineering tools to evaluate process capability ... Designs or specifies inspection and testing mechanisms and equipment; conducts quality assurance ...

Sr Quality Engineer

Humacao, PR

$89K - $121K/yr

Apply statistical analysis and quality engineering tools to evaluate process capability ... Designs or specifies inspection and testing mechanisms and equipment; conducts quality assurance ...

Sr. Automation Engineer

Juncos, PR · On-site

$101K - $132K/yr

  • Medical

  • Dental

  • Vision

Bachelor's or Master's degree in Mechanical Engineering or related discipline * 10+ years in Industrial Refrigeration and Cold room Design * 5+ years in CO2 cold room design and operation

PR · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Position Specific Details Provides senior level technical direction and supervision to the project ... Required Skills and Experience: * BS or MS in Mechanical Engineering, Engineering Mechanics ...

Showing results 21-40

Senior Mechanical Engineering information

What does a senior mechanical engineer do?

A Senior Mechanical Engineer is responsible for designing, developing, and overseeing the production of mechanical systems and components. They lead engineering projects, provide technical guidance to junior engineers, and ensure that designs meet safety, efficiency, and quality standards. These professionals often collaborate with other engineering disciplines, manage project timelines, and troubleshoot complex technical issues. Their work may span industries such as automotive, aerospace, manufacturing, or energy, depending on the employer.

How does a senior mechanical engineer typically collaborate with cross-functional teams during a project?

As a Senior Mechanical Engineer, you will regularly work alongside teams from electrical engineering, manufacturing, quality assurance, and project management. This collaboration often involves participating in design reviews, coordinating timelines, and resolving integration challenges to ensure all components fit and function together seamlessly. Effective communication and teamwork are essential, as you'll be expected to provide technical guidance and ensure that design decisions align with broader project goals. This cross-functional interaction not only ensures the success of the project but also provides opportunities to broaden your expertise and leadership skills.

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

To thrive as a Senior Mechanical Engineer, you need advanced knowledge of mechanical design, engineering principles, and problem-solving, typically backed by a bachelor's or master's degree in mechanical engineering and professional licensure (PE). Expertise in CAD software, FEA tools, and industry-standard project management systems is essential. Strong leadership, effective communication, and project management skills help you guide teams and collaborate across disciplines. These skills ensure innovative, efficient, and reliable engineering solutions while driving project success and team performance.

What is the difference between Senior Mechanical Engineering vs Mechanical Engineering?

AspectSenior Mechanical EngineeringMechanical Engineering
Required CredentialsBachelor's degree, 5+ years experience, professional engineering license often preferredBachelor's degree in mechanical engineering, entry-level to mid-level experience
Work EnvironmentDesign, development, project management, leadership roles in manufacturing, automotive, aerospaceDesign, analysis, testing, manufacturing in various industries
Employer & Industry UsageEngineering firms, manufacturing companies, R&D departmentsWide range of industries including automotive, aerospace, energy, consumer products

Senior Mechanical Engineers typically have more experience, leadership responsibilities, and advanced certifications compared to Mechanical Engineers. They focus on project oversight, complex design, and mentoring junior staff, whereas Mechanical Engineers often handle core design and analysis tasks. Both roles are essential in engineering teams, but senior roles require more expertise and industry experience.

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

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

What are popular job titles related to Senior Mechanical Engineering jobs in Puerto Rico?

For Senior Mechanical Engineering jobs in Puerto Rico, the most frequently searched job titles are:

What job categories do people searching Senior Mechanical Engineering jobs in Puerto Rico look for?

The top searched job categories for Senior Mechanical Engineering jobs in Puerto Rico are:

What cities in Puerto Rico are hiring for Senior Mechanical Engineering jobs?

Cities in Puerto Rico with the most Senior Mechanical Engineering job openings:

Infographic showing various Senior Mechanical Engineering job openings in Puerto Rico as of July 2026, with employment types broken down into 91% Full Time, 6% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution.

Senior FEA Engineer (Hybrid - Aguadilla, PR)

Collins Aerospace

Aguadilla, PR • Hybrid

$93K - $128K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago


Collins Aerospace rating

8.4

Company rating: 8.4 out of 10

Based on 251 frontline employees who took The Breakroom Quiz

33rd of 72 rated aerospace companies


Job description

Date Posted:

2026-04-01

Country:

United States of America

Location:

US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

Position Role Type:

Hybrid

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

The GETC-PR Avionics organization is looking to hire a highly skilled and experienced Senior FEA Engineer to join our innovative Vision Systems and Sensors team. In this role, you will conduct advanced finite element analysis to support the design, development, and optimization of cutting-edge avionics sensor systems. The ideal candidate will collaborate closely with cross-functional teams to ensure sensor products meet performance, reliability, and compliance requirements for aerospace and defense applications.

This position will sit at our Aguadilla, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

This role is categorized as hybrid, with 3 days onsite and 2 days remote following the schedule assigned by the Manager.

What YOU will do:

  • Perform detailed finite element analysis (FEA) to evaluate structural, thermal, and dynamic behavior of avionics sensor components and systems.
  • Develop, calibrate, and validate simulation models to ensure accurate prediction of sensor performance under various operational and environmental conditions.
  • Support the design optimization of sensor housing and internal components to meet stringent aerospace requirements.
  • Provide technical input into the evaluation of materials and manufacturing processes to enhance sensor durability and reduce weight.
  • Collaborate with engineering, manufacturing, and testing teams to ensure sensor designs meet program requirements and customer expectations.
  • Interpret analysis results and provide actionable recommendations to improve product performance, reliability, and lifecycle.
  • Ensure alignment with aerospace industry standards (e.g., DO-160, MIL-STD-810) and internal quality processes.
  • Prepare detailed documentation of analysis methods, results, and design recommendations for both internal and external stakeholders.
  • Mentor junior engineers within the Avionics Sensors organization.

What YOU will learn:

  • You will learn about our growing engineering team in Puerto Rico; What we do? Who we support? How we work?
  • You will learn the technologies of today and tomorrow which we count on to maintain world leadership in the aerospace industry.
  • You will learn why people enjoy and feel fulfilled by working in our industry.

Qualifications you must have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
  • Demonstrated professional 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.

Qualifications We Prefer:

  • Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • Experience in finite element analysis, with a focus on aerospace or sensor systems.
  • Advanced proficiency in FEA tools such as ANSYS, Abaqus, or similar software.
  • Strong understanding of structural mechanics, thermal analysis, and material properties relevant to avionics applications.
  • Familiarity with CAD tools and ability to collaborate on design iterations.
  • Knowledge of aerospace and defense industry standards, including environmental testing standards (e.g., DO-160).
  • Experience analyzing and optimizing sensor systems or similar electronics in aerospace applications.
  • Familiarity with fatigue analysis, vibration testing, and thermal management challenges specific to avionics sensors.
  • Experience with composite materials and lightweight design.

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!

Collins Aerospace, an RTX business, 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.

Join our growing engineering team in Puerto Rico, where you will provide critical support to all Collins SBUs, working on exciting programs and projects ranging from the development of the next generation of advanced concept ejection seats to the latest technologies for the U.S. warfighter.

WE ARE REDEFINING AEROSPACE.

* Please consider the following role type definition as you apply for this role.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite.  Ratio of time working onsite will be determined in partnership with your leader.

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

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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