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Mechanical Engineer Intern Jobs in Puerto Rico (NOW HIRING)

Engineering degree, preferably in Mechanical, Electrical or Chemical. * Travel may be required on occasion. * Ability to handle multiple projects and work in a fast-paced environment. * Strong multi ...

PR · On-site

Engineering degree, preferably in Mechanical, Electrical or Chemical. * Travel may be required on occasion. * Ability to handle multiple projects and work in a fast-paced environment. * Strong multi ...

OPEX Co-Op

Gurabo, PR · On-site

$14.50 - $19.25/hr

Non-LDP Intern/Co-Op Job Category: Career Program All Job Posting Locations: Gurabo, Puerto Rico ... Pursuing a Bachelor's degree in Industrial Engineering, Mechanical Engineering, Chemical ...

OPEX Co-Op

Gurabo, PR

$14.50 - $19.25/hr

Non-LDP Intern/Co-Op Job Category: Career Program All Job Posting Locations: Gurabo, Puerto Rico ... Pursuing a Bachelor's degree in Industrial Engineering, Mechanical Engineering, Chemical ...

OPEX Co-Op

Gurabo, PR · On-site

$14.50 - $19.25/hr

Non-LDP Intern/Co-Op Job Category: Career Program All Job Posting Locations: Gurabo, Puerto Rico ... Pursuing a Bachelor's degree in Industrial Engineering, Mechanical Engineering, Chemical ...

OPEX Co-Op

Gurabo, PR · On-site

$14.50 - $19.25/hr

Non-LDP Intern/Co-Op Job Category: Career Program All Job Posting Locations: Gurabo, Puerto Rico ... Pursuing a Bachelor's degree in Industrial Engineering, Mechanical Engineering, Chemical ...

Showing results 21-26

Mechanical Engineer Intern information

What does a mechanical engineer intern do?

A Mechanical Engineer Intern assists professional engineers with the design, development, and testing of mechanical devices and systems. Their responsibilities often include creating CAD drawings, conducting research, performing calculations, and helping with prototyping or laboratory testing. Interns gain hands-on experience by supporting real engineering projects and working alongside experienced engineers. This position provides valuable exposure to engineering processes and workplace culture, making it a key step for students studying mechanical engineering.

What types of projects and responsibilities can a mechanical engineer intern expect during their internship?

As a Mechanical Engineer Intern, you'll typically assist with tasks such as CAD modeling, design analysis, prototype testing, and documentation of mechanical systems. Interns often collaborate closely with senior engineers and cross-functional teams, contributing to ongoing projects in product development or process improvement. While responsibilities can vary by company, you may also be involved in hands-on work in labs or workshops, attending team meetings, and learning to use industry-standard engineering tools. This exposure offers a valuable opportunity to develop both technical and teamwork skills in a real-world engineering environment.

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

To thrive as a Mechanical Engineer Intern, you need a strong grasp of engineering principles, mathematics, and problem-solving skills, typically supported by progress toward a mechanical engineering degree. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and basic manufacturing processes is often required. Strong teamwork, willingness to learn, and effective communication skills help interns collaborate and absorb feedback in a professional environment. These abilities are crucial for contributing meaningfully to engineering projects and developing technical expertise for future roles.

What is the difference between Mechanical Engineer Intern vs Mechanical Design Engineer?

AspectMechanical Engineer InternMechanical Design Engineer
Required CredentialsEnrolled in or recent graduate of Mechanical Engineering programBachelor's or higher in Mechanical Engineering or related field
Work EnvironmentInternship setting, often in engineering departments or labsFull-time engineering office or design studio
Employer & Industry UsageInternships offered by manufacturing, automotive, aerospace companiesDesign-focused roles in similar industries

The main difference between a Mechanical Engineer Intern and a Mechanical Design Engineer is experience and responsibility level. Interns are typically students gaining practical experience, while Mechanical Design Engineers are full-time professionals responsible for designing and developing mechanical systems.

Which internship is best for mechanical engineer interns?

The best internship for mechanical engineer interns typically involves companies or organizations that offer hands-on experience in design, manufacturing, or research, and often require knowledge of CAD software, MATLAB, or similar tools. Internships at engineering firms, manufacturing companies, or research institutions provide practical skills and industry exposure valuable for career development.

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 Mechanical Engineer Intern jobs in Puerto Rico?

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

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

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

Infographic showing various Mechanical Engineer Intern job openings in Puerto Rico as of August 2026, with employment types broken down into 13% Internship, 63% Full Time, and 24% Part Time. Highlights an 100% In-person job distribution.

PHARMACEUTICAL - MECHANICAL UTILITIES ENGINEER

MMR Consulting

PR

Full-time

Posted 21 days ago


Job description

Previous Pharmaceutical/Biotech experience is mandatory for this role.

MMR Consulting is an engineering and consulting firm specializing in the pharmaceutical /biotechnology and highly regulated industries. Its services include Engineering, Project Management, and Validation.

MMR Consulting has offices across North America and Asia.

This is an outstanding opportunity to join our growing team, where the successful candidate will work with a group of engineers involved in the design, commissioning & qualification, start-up and project management of various processes, systems and facilities. The work may require working out of client's facilities, in Raleigh North Carolina.

Responsibilities

  • Provide technical guidance into the design, installation commissioning, qualification, start-up and operations of various pharmaceutical / biopharmaceutical facilities and utilities such as Purified Water (PW), Water For Injection (WFI), Clean Steam (CS), Heating, Ventilation & Air Conditioning (HVAC), Process Compressed Air (CA) & Gases
  • Lead the development of key design, technology selections, engineering and commissioning / qualification deliverables such as PFDs, P&IDs, specifications, equipment and distribution loop layouts, DQ, FAT, Commissioning Test Plans & checklists, IQ, OQ, PQ during the project lifecycle
  • Able to support detailed design development, field installation and perform field execution of commission & qualification test cases and protocols
  • Serve as technical SME on the design and operation aspects of clean utilities. Possess knowledge of regulatory requirements, mechanical specifications and industry best practices and guidelines for clean utilities.
  • Lead the design, procurement, field installation, commissioning and qualification processes throughout the project lifecycle to ensure timely completion and to ensure all quality and engineering specifications are met.
  • Support development of Project Validation Plans (PVPs) to ensure the action plan to test the system is applicable and relevant.
  • Coordinate meetings with cross-functional departments, to drive design reviews, project progress, facilitate decisions, and provide updates.
  • Travel may be occasionally required for meetings with equipment fabrication vendors or Factory Acceptance Testing (FATs).
  • Work may require occasional support over shutdowns or extended hours, specifically during installation, construction, commissioning, qualification and validation phases.
  • Visit construction and installation sites, wearing necessary safety PPE.
  • You may be involved with other aspects such as client-management (maintain key Client relationships in support of business development and pursuit of new work), project scheduling/budgeting, coordination of client and MMR resources for effective project delivery, supporting business development (providing technical support to the sales as required for proposals/opportunities), presenting at industry conferences/publishing papers etc.
  • Supervise contractors during critical testing of system and equipment.
  • Other duties assigned by client, and/or MMR, based on workload and project requirements.
  • As this position requires working on client sites, you will need to comply with the client's safety rules including mandatory vaccination policies for COVID-19, where applicable


Qualifications

  • 5+ years of experience in commissioning, qualification or validation of various clean utility systems within the pharmaceutical/biotech industry.
  • Previous experience in the pharmaceutical / biotech industry, with knowledge of requirements for cGMP operations.
  • Expertise in generation, storage and distribution of pharmaceutical-grade water systems
  • Hands-on experience with industrial utilities, including:
    • Compressed air generation and distribution
    • Ammonia chillers
    • Electro boilers
    • Chilled water generation and distribution
    • Cooling water generation and distribution
    • Chilled glycol generation and distribution
    • Cooling towers
  • Hands-on experience with clean utilities, including:
    • Purified Water (PW) generation
    • Water For Injection (WFI) generation
    • Clean Steam (CS) generation
  • Hands-on experience with HVAC systems, including:
    • Air handling units (AHUs)
    • Dedicated outdoor air systems (DOAS)
    • Blower coil units
    • Air curtains
    • Computer room air conditioning (CRAC) units
    • DX cooling units
  • Experience with developing and executing validation projects to Risk-Based Commissioning & Qualification approaches, such as ASTM E-2500 or ISPE ICQ, is considered an asset.
  • Experience with commissioning and qualifications of process control systems are considered an asset.
  • Lead teams of staff, manage staff priorities, provide mentorship/oversight, help staff resolve issues. Leadership is considered an asset but not required.
  • Possess leadership skills, and be able to take initiative to lead projects, involving multiple stakeholders, departments, and varying complexities.
  • Possess mentorship skills, to coach and develop junior and intermediate employees.
  • Engineering degree, preferably in Mechanical, Electrical or Chemical.
  • Travel may be required on occasion.
  • Ability to handle multiple projects and work in a fast-paced environment.
  • Strong multi-tasking skills

Equal Employment Opportunity and Reasonable Accommodations

MMR Consulting is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Our hiring decisions are based on merit, qualifications, and business needs. We are committed to working with and providing reasonable accommodations to individuals with disabilities globally. If, because of a medical condition or disability, you need a reasonable accommodation for any part of the application or interview process, please let us know the nature of your request.