[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Vertiv Holdings jobs](https://jobs.opennash.com/companies/vertiv-holdings/) · [Search jobs](/search/) Vertiv Holdings · Delaware, OH # Mechanical Engineering Intern - Energy Storage (Summer 2027) Delaware, OH, United States Early career Skilled Trades & Maintenance Listed on Vertiv Holdings’s official careers site. Posted August 12, 2026. Check that it is still open and apply there. [Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20279295) [OpenNash Jobs](https://jobs.opennash.com/) / [Vertiv Holdings](https://jobs.opennash.com/companies/vertiv-holdings/) / Mechanical Engineering Intern - Energy Storage (Summer 2027) ## Job description ### Position Summary The Mechanical Engineering Intern will support the design, development, testing, and validation of lithium-ion battery energy storage systems used in critical power applications. Working alongside experienced mechanical, electrical, manufacturing, and quality engineers, the intern will gain hands-on experience with battery cabinet design, thermal management systems, structural analysis, prototype development, and product validation testing. The successful candidate will contribute to new product development and sustaining engineering projects while developing practical engineering skills within a fast-paced, cross-functional engineering environment. ### Key Responsibilities Assist in the design and development of battery cabinets, mechanical assemblies, and structural components for energy storage products. Create and modify 3D CAD models, assembly drawings, and engineering documentation. Support prototype builds and engineering validation testing activities. Assist with thermal, structural, and vibration analysis of battery energy storage systems. Participate in design reviews and document action items and engineering recommendations. Evaluate mechanical components, fasteners, busbar supports, cooling systems, and enclosure hardware. Collect, organize, and analyze test data from laboratory and field testing activities. Support root cause investigations and corrective actions related to mechanical design issues. Work with suppliers and manufacturing teams to support component qualification and design improvements. Assist in sustaining engineering activities, including evaluation of alternate materials and components. Support compliance and certification activities associated with industry standards and product safety requirements. Maintain laboratory safety and follow all company engineering and testing procedures. ### Required Qualifications Currently pursuing a Bachelor's degree in Mechanical Engineering, Mechanical Engineering Technology, or a related engineering discipline. Minimum sophomore standing preferred. Basic understanding of mechanical design principles and engineering fundamentals. Experience with 3D CAD software (SolidWorks, Creo, Inventor, or similar). Strong analytical and problem-solving skills. Effective written, verbal, and interpersonal communication skills. Proficiency with Microsoft Office applications, including Excel and PowerPoint. Ability to work both independently and in a team environment. ### Preferred Qualifications Coursework or experience in one or more of the following areas: Sheet metal design and fabrication Structural analysis and finite element analysis (FEA) Thermal management and heat transfer Product design and development Mechanical testing and instrumentation Battery energy storage systems Manufacturing processes and design for manufacturability (DFM) Geometric Dimensioning & Tolerancing (GD&T) Creo Parametric, SolidWorks, or equivalent CAD software ANSYS, Creo Simulation, or equivalent analysis software Physical & Environmental Requirements Ability to work in laboratory, manufacturing, and warehouse environments. Ability to occasionally lift up to 25 lbs. Ability to safely work around prototype equipment and energized systems under supervision. Ability to stand and walk for extended periods during testing and prototype build activities. #LI-RB1 ## At a glance - Posted by the employer: Aug 12, 2026 - First seen by OpenNash: Oct 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 67 days - Location: Delaware, OH, United States[Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20279295) ## More jobs at Vertiv Holdings ### [Associate Mechanical Engineer - Energy Storage](https://jobs.opennash.com/companies/vertiv-holdings/jobs/0176cbc58f0a1c06f64a/) Delaware, OH, United States ### [Lead Test Technician](https://jobs.opennash.com/companies/vertiv-holdings/jobs/9c893a7b36421b5ca274/) Delaware, OH, United States ### [Mechanical Engineer](https://jobs.opennash.com/companies/vertiv-holdings/jobs/6bda9cefd65f2fa4317f/) Delaware, OH, United States ### [Mechanical Engineer - Thermal](https://jobs.opennash.com/companies/vertiv-holdings/jobs/b34a24ffeda42a713c1a/) Delaware, OH, United States ## Similar jobs at other companies ### [Mechanical Engineering Manager - Stellar Energy](https://jobs.opennash.com/companies/trane-technologies/jobs/3116346c4eec989bb0d8/) Trane Technologies · Jacksonville, Florida, United States of America ### [Electrical Engineer - Energy Storage & EV Infrastructure](https://jobs.opennash.com/companies/eaton/jobs/6a412bcc70fdc7803627/) Eaton · Moon Township, Pennsylvania, USA ### [Lead Controls Engineer - Power Electronics & Energy Storage](https://jobs.opennash.com/companies/eaton/jobs/73a1f304a31e7786553c/) Eaton · Moon Township, Pennsylvania, USA ### [Research Intern, Hardware Implementation and Validation (Energy Storage and Power Electronics)](https://jobs.opennash.com/companies/hitachi/jobs/64ab9cd18015a4e27b4f/) Hitachi · Santa Clara, CA, United States ### [Principal Mechanical Engineer-Energy Systems](https://jobs.opennash.com/companies/microsoft/jobs/0b00bca6b690986a9950/) Microsoft · United States, Multiple Locations OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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