mechanical design engineer intern jobs in Philadelphia

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4,002 mechanical design engineer intern job listings in United States. Find daily updated positions from leading job boards.


  • Philadelphia, Pennsylvania, United States Ballinger Full-time

    At Ballinger, an Architecture Engineering Firm, we are passionate about complex challenges and real-world problem-solving.  Design challenges come in all shapes and sizes, and the ones we prefer test us as design professionals.  We seek out complex projects with big impact because they require us to ask tough questions, synthesize data, and push past the...


  • Philadelphia, Pennsylvania, United States Albacore Full-time

    Albacore Inc. is a Philadelphia-based company building highly-capable, mass-producible drone submarines to defend sovereign waters of America and allied nations. We are backed with more than $10 million from Y Combinator and venture capital investors.Our team is hiring mechanical engineering interns to join our team for the summer.During that timeframe, you...


  • Philadelphia, Pennsylvania, United States Sidara Full-time

    TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. With over 3,000 employees throughout the Americas, Asia, and Europe, the firm provides support on projects of varying size and complexity. Together, we enhance conventional...

  • Engineer Intern

    20 hours ago


    Philadelphia, Pennsylvania, United States dbHMS Full-time

    Engineer Intern - Mechanical (Spring 2027)    Firm Overview Do more than just build! At dbHMS, we are a collection of doers and thinkers. We combine our passion for engineering with our client’s vision to realize successful construction projects in our community and worldwide. Together with our clients, we are dedicated to leaving a...

  • Engineer Intern

    20 hours ago


    Philadelphia, Pennsylvania, United States dbHMS Full-time

    Engineer Intern - Mechanical (Summer 2027)    Firm Overview Do more than just build! At dbHMS, we are a collection of doers and thinkers. We combine our passion for engineering with our client’s vision to realize successful construction projects in our community and worldwide. Together with our clients, we are dedicated to leaving a...


  • Philadelphia, Pennsylvania, United States Global Infrastructure Full-time

    TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. With over 3,000 employees throughout the Americas, Asia, and Europe, the firm provides support on projects of varying size and complexity. Together, we enhance conventional...

  • Mechanical Designer

    20 hours ago


    Philadelphia, Pennsylvania, United States Hargrove and Associates Full-time

    What You'll Be DoingJob Scope: Generally responsible for performing routine designs of less complex engineering assignments using theoretical knowledge and practical design methods. This work will be performed under direct supervision.Primary responsibilities will include but not be limited to: Lead development and technical review of complex equipment...


  • Philadelphia, PA, United States Liberty Personnel Services, Inc Full-time

    Job DescriptionJob DescriptionSENIOR MECHANICAL HVAC DESIGNER – CENTER CITY PHILADELPHIAGrowing MEP engineering firm in Center City Philadelphia is seeking a Senior Mechanical HVAC Designer to join their team.ResponsibilitiesDesign HVAC systems for commercial, institutional, healthcare, and other building projectsPrepare HVAC plans, layouts, schedules, and...

  • Mechanical Designer

    20 hours ago


    Philadelphia, Pennsylvania, United States Burns Engineering Full-time

    About Burns: Burns Engineering provides professional engineering design and project management services for transportation, facilities, and infrastructure projects. We help our clients attain their strategic goals and initiatives through successful large-scale infrastructure projects.  Burns’ full-service capabilities include mechanical, electrical,...

  • Mechanical Engineer

    17 hours ago


    Philadelphia, Pennsylvania, United States AfterQuery Experts Remote Full-time $75 - $100 Permanent

    This is a remote, project-based role for mechanical engineers with hands-on experience in CAD and mechanical design. You will complete tasks spanning mechanical design, engineering analysis, technical documentation, and product development support. Work is asynchronous and assigned on a project-by-project basis, with an expected commitment of 10–20 hours...

  • Mechanical Engineer

    19 hours ago


    Philadelphia, Pennsylvania, United States DiPietro Recruiting & Consulting Full-time

    Primary Responsibilities: Design and develop plumbing systems (including domestic water, sanitary, stormwater, natural gas, and specialty piping systems).Perform hydraulic calculations, pipe sizing, equipment selection, and layout design in accordance with local codes and standards (e.g.: IPC, ASPE, & NFPA).Prepare construction documents (including...


  • Philadelphia, PA, United States Liberty Personnel, Inc Full-time

    SENIOR MECHANICAL HVAC DESIGNER CENTER CITY PHILADELPHIA Growing MEP engineering firm in Center City Philadelphia is seeking a Senior Mechanical HVAC Designer to join their team. Responsibilities Design HVAC systems for commercial, institutional, healthcare, and other building projectsPrepare HVAC plans, layouts, schedules, and ...

  • Mechanical Engineer

    20 hours ago


    Philadelphia, Pennsylvania, United States LTE Staffing Full-time

    Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time. Please read the job qualifications prior to submitting your application. We are a 3rd party recruiting service, firm(s) mentioned will be disclosed if further considered for this role. **Position:...

  • Engineer, Mechanical

    20 hours ago


    Philadelphia, Pennsylvania, United States JB&B Full-time $79,000 - $82,000 Contract

    Join JB&B and shape the future of the built environment!  Founded in 1915, Jaros, Baum & Bolles has been a pillar of engineering innovation in New York City for over a century. Specializing in mechanical, electrical, plumbing (MEP), JB&B has contributed to some of the most iconic buildings. In October 2025, JB&B joined forces with Trinity...

  • Mechanical Engineer

    20 hours ago


    Philadelphia, Pennsylvania, United States US Army Civilian Human Resources Agency Full-time $56,039 Contract

    Summary About the Position: The Army Fellows Program provides an exciting opportunity to embark on a developmental, accelerated career path as an Army Civilian including continued training and educational opportunities, with no military obligation. Fellows may also receive paid training, certifications, and rotational assignments. Apply now to start your...


  • Philadelphia, Pennsylvania, United States IMEG Consultants Full-time $71,000 - $94,000 Contract

    IMEG is hiring a Mechanical or Plumbing Designer in Broomall, PA, to lead design efforts for low to moderate complexity projects and support the delivery of larger, high-complexity work with senior staff. In this role, you will work closely with engineers and consultants to provide plumbing engineering solutions and advice that support positive client...

  • Mechanical Engineer

    19 hours ago


    Philadelphia, Pennsylvania, United States Albacore Full-time

    Albacore Inc. is a Philadelphia-based company building highly-capable, mass-producible drone submarines to defend sovereign waters of America and allied nations. We are backed with more than $10 million from Y Combinator and venture capital investors.Role Description:Design and develop mechanical systems for underwater vehicles, contributing to structural...

  • Mechanical Engineer

    19 hours ago


    Philadelphia, Pennsylvania, United States NDI Engineering Full-time

    NDI Engineering Company is seeking Mechanical Engineers to support propulsion systems onboard U.S. Navy Vessels. The ideal candidate will have experience in Main Reduction Gear (MRG), Propulsors, Propellers, Shafting, Waterjets, Rudders, Bow Thrusters, Dehumidifiers, and Vent Fog Precipitator Systems.Job ResponsibilitiesWork as part of a project team and...


  • Philadelphia, Pennsylvania, United States NORR Full-time $105,000 - $140,000 Contract

    This is an exciting time to join our team. As we continue to grow, we are looking for talented professionals who are ready to make an impact, collaborate with exceptional colleagues, and help shape the future of the built environment. If you are looking for a place where your expertise will be valued, your career can grow, and your work will make a...

  • Mechanical Engineer

    20 hours ago


    Philadelphia, Pennsylvania, United States ConnectDER Full-time $105,000 - $115,000 Contract

    ConnectDER (www.ConnectDER.com) represents the next generation in US-based resource technology product development. Our signature product, the ConnectDER Meter Socket Adapter, dramatically cuts down the cost and interconnection time for solar energy, EV charging, and home battery storage, putting clean, resilient power within reach of millions of homeowners....