mechanical engineering junior jobs in Philadelphia

GreenXT is seeking Junior Level Electrical Engineers to support their Navy customer in the areas of Cybersecure Hull, Mechanical, and Electrical (HM&E) Control Systems and Networks.    About GreenXT   GreenXT is comprised of technical and business leaders.  We hire intelligent, hardworking, and dedicated people who not only possess the desire...

Full-time Description EHS Technologies is a cutting-edge IT, Cyber Security and Engineering Firm dedicated to solving the Department of Defense’s most challenging problems. Join EHS Technologies to make a difference while being a part of a skilled, knowledgeable and mission driven team.As a team member of EHS Technologies, you’ll have available...

Company DescriptionA best-in-class city that attracts best-in-class talent, Philadelphia is an incredible place to build a career. From our thriving arts scene and rich history to our culture of passion and grit, there are countless reasons to love living and working here. With a workforce of over 30,000 people, and more than 1,000 different job categories,...

NDI Engineering Company is seeking an individual to support Submarine Communications Systems including Multifunction Mast Antennas and Radio Frequency Digital Acquisition Control System (RFDACS). They will also support testing efforts for the Common Submarine Radio System (CSRR).Job ResponsibilitiesProvide electrical / electronic engineering support...

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...

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:...

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...

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...

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...

As a Remote Junior Software Engineer, you will be responsible for developing and maintaining our online training platform. You will work closely with our team of experienced software engineers to design, develop, and implement new features and functionalities. This is a full-time, remote position, and you will have the opportunity to work from anywhere in...

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....

STV is seeking a Junior Vehicle Engineering Specialist to join our Vehicles Practice in our Philadelphia, PA office. This is an excellent opportunity for an early-career engineer to work alongside industry-leading professionals supporting rail and transit vehicle programs across North America.The successful candidate will support rail vehicle engineering and...

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...

Job TitleResponsibilities • Plan and implement new technologies for critical enterprise-wide IT cloud platform projects. Design, implement, and deploy cloud computing systems to support and meet business needs. Identify, recommend, and implement opportunities for improvement and performance issue solutions. • Provide technical support and ensure reliable...

Overview:SimVentions is100% employee-ownedand proudly ranked among Virginia’s Best Places to Work year after year! We are looking for an enterprising junior to mid-level software-focused Systems Engineer to perform software systems engineering for the acquisition, development and sustainment of various aviation programs. This position requires full-time...

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...