mechanical engineering internship jobs in Philadelphia

Mulhern+Kulp Structural Engineering, Inc. is currently seeking full-time Interns to join our Ambler office, just outside of Philadelphia for Summer 2027. Join a rapidly growing structural engineering consulting firm with 140+ team members and active projects nationwide. Our structural engineers partner with architects, builders, and developers nationwide...

About JLG, an Oshkosh companyJLG began in 1969, when our founder, John L. Grove set out to resolve growing safety concerns in the construction industry. Since then we have been committed to understanding the challenges and delivering innovative solutions to the access market. We partner with customers to provide quality equipment, training opportunities and...

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:...

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...

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...

Summary You will serve as a MECHANICAL ENGINEER in the PROPULSION & POWER DIVISION within the PROPULSION & AUXILIARY MACHINERY SYSTEMS DEPT of NSWC PHILA DIV. Duties You will be responsible for performing, integrating, and managing key projects in the Division’s In Service Engineering, and Life Cycle Management efforts, and integrating the Test...

Green Expert Technology Inc. (GreenXT) is seeking a Mechanical Engineer.   The candidate will provide programmatic; administrative; engineering; technical; training; logistical; maintenance; installations/alterations; Life Cycle Management; technical data management; catalog updating, and general systems, and equipment support for HM&E systems for the...

Campos is continuing to grow and is seeking a Pipeline and Stations Engineer to join our Philadelphia team in a hybrid work environment (3 days in office, 2 days remote). As an Mechanical Engineer II at Campos EPC, you will support the engineering and design of natural gas pipelines and compressor stations, working directly with clients to define project...

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...

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...

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...

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....

DescriptionThe Opportunity: Are you seeking a positive and insightful internship opportunity in the engineering and construction industry? Then consider interning at Urban Engineers! Our paid internships offer a valuable opportunity to gain hands-on learning experiences.   Internship Process: We periodically evaluate the internship needs across the...

Project Engineer - Mechanical   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 legacy of...

Qualifications: Required (Must Haves): Seven (7) or more years' experience in the design of HVAC systems.Two (2) or more years' experience in Data Center HVAC systemsThorough knowledge of codes and standards related to the design of HVAC systems.Bachelor of Science Degree in Mechanical Engineering.Adaptability to work within a fast-paced team environment...

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...

About Exponent Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most profoundly unique, unprecedented, and urgent challenges.   We are committed to engaging multidisciplinary teams of science, engineering, and regulatory experts to empower our clients with...

STV is seeking a Mechanical Engineering SpecialistThe Mechanical HVAC Engineer II supports the design and coordination of HVAC systems for commercial, educational, healthcare, laboratory, and institutional buildings. Working under the guidance of senior engineers and project managers, this role takes on increasing responsibility for design, coordination, and...

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...

Senior Mechanical Engineer | Philadelphia, PA 100% Employee-Owned · Big-firm resources, local-team relationships, ONE IMEG culture IMEG is hiring a Senior Mechanical Engineer in Philadelphia, PA, to lead design efforts as a project manager or lead engineer for moderate to complex mechanical projects. This role leads design efforts with limited support...