Senior Mechanical Engineer

ABOUT EAGLEPICHER At EaglePicher Technologies, LLC we are driving the electrification of defense, aviation and space. We provide the broadest number of battery systems available in the world for the most demanding applications. We provide leading edge products that make drones fly higher, undersea vessels run longer, and aircraft fly farther and operate more safely. Our battery technologies include lithium ion, thermal, silver zinc, lithium carbon monofluoride, lithium thionyl chloride, lithium manganese dioxide, lithium sulfur dioxide, and reserve lithium oxyhalide. EaglePicher also provides custom battery assemblies, battery management systems, pyrotechnic devices, and other power solutions.Our employees are passionate, dedicated and empowered to realize this vision. We strive for the right mix of people with diverse backgrounds personalities and perspectives, and to ensure this works, we create an inclusive work environment that places a premium on communication and collaboration. At EaglePicher, we''ll give you the opportunity to harness all that''s within you with access to the latest tools, information and training.EaglePicher Technologies is headquartered in St. Louis, MO. with locations in Joplin, MO and East Greenwich, RI. We are ISO9001:2008, ISO 13485, and AS9100C certified. For more information, visit DescriptionThe Senior Mechanical Engineer will be responsible for performing design, development and qualification of cell and battery packs according to customer specifications and documentation requirements in line with project timing and budgets. The Senior Mechanical Engineer will work closely with R&D and Manufacturing Engineering teams to execute and deliver existing and new products.ResponsibilitiesExecute battery development projects from the first concept prototype stage through further development, validation/qualification testing, and ending in a CDR and hand-off to Operations. Evaluate materials, assembly processes, battery design configurations, and other battery parameters with Design of Experiment (DOE) methodology. Develop critical understanding of battery performance for a given application.Coordinate and execute product development trials. Summarize and present respective results, with conclusions, and recommendations. Interact with customers on a regular basis. Deliver initial batteries to customers.Develop processes/tooling for pilot scale manufacturing.Prepare assembly and process specifications, along with other engineering documents.Establish and maintain best engineering practices and product lifecycle management techniques to ensure top quality for new product introductions. Reduce cost of product and prepare cost estimates.Support all development phases including design refinement, validation, and pilot production.Other tasks as assigned.QualificationsUS Citizen or Permanent ResidentBachelor degree in Mechanical Engineering, Manufacturing / Engineering technology, or related discipline.5-10 years'' experience in R&D, or Product Development. An understanding of battery product design and processing is desired.Knowledge of Minitab, SPC, and DOE methodology is required.Good interpersonal and communication skills, oral and written.Able to contribute to collaborative team environment.Self-motivated and hands-on. Detail oriented and able to manage multiple tasks.3D CAD modeling knowledge. Autodesk Inventor experience is a plus.Experience in FEA (ANSYS) and other numerical modeling methods will be helpful.Skilled in use of Microsoft Office applications (Project, Excel, Word Outlook).

Created: 2026-03-07