Mechanical Engineer Spring 2026 Co-op
Found EnergyBoston, Massachusetts
Internship
Posted August 26, 2025
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Application opens on company website
Job Description
The position involves designing, building, and testing subsystems for a hydrogen generation MVP, supporting system integration, and contributing to technology development in clean energy solutions aimed at reducing industrial carbon emissions.
Key Responsibilities
- Design, build, and test subsystems using CAD, machine shop, and lab equipment
- Ensure seamless integration of subsystems into MVP and prototypes
- Interface with external part fabrication for drawings and tolerances
- Develop and enhance in-house machining capabilities
- Specify, select, and modify COTS components
- Create BOMs for mechanical and electrical systems
- Develop process flow diagrams, models, and simulations of systems
- Validate subsystems through CFD, thermal, and structural simulations
- Lead design reviews of mechanical subsystems
- Develop safety systems and protocols for prototypes and production systems
- Design and build fixtures for testing prototypes and lab experiments
- Translate R&D work into production requirements and specifications
Requirements
- Design, build, and test subsystems utilizing CAD, machine shop, and lab equipment.
- Ensure the seamless integration of individual subsystems in the MVP and prototypes.
- Interface with external part fabrication when needed, including providing part drawings and tolerances.
- Develop and enhance in-house machining capabilities.
- Specify, downselect, and modify Commercial Off-The-Shelf (COTS) components.
- Create Bill of Materials (BOM) for mechanical as well as electrical systems.
- Create process flow diagrams, models, and simulations of the prototype and production systems.
- Validate subsystems through CFD, thermal, and structural simulations.
- Participate in and lead design reviews of mechanical subsystems.
- Develop safety systems and protocols for the prototype and production systems.
- Design and build fixtures to support testing of prototypes and R&D lab experiments.
- Translate R&D work into production functional requirements and specifications.
- Participate in building and growing the company culture and values.
- Deeply motivated by the climate crisis and its downstream impacts.
- Possess exceptional communication and documentation skills.
- Experience in one or multiple of the following areas: mechanical design and fabrication (machining, sheet metal, welding, etc.), tolerance stacking of large assemblies and sub-assemblies, and proficiency with CAD software packages such as SolidWorks or Autodesk.
- Experience with CFD, thermal, and structural simulation.
- Experience in electrical systems design, including sensors, microcontrollers, relays, etc.
- Experience with fluid and/or gas handling systems, including safety and compliance.
- Knowledge of fuel cells and battery systems.
- Familiarity with software programming languages such as Python or MATLAB.
- Knowledge of thermodynamics theory and modeling software such as EES or REFPROP.
Benefits & Perks
Compensation/salary range (not specified in the posting)
Work schedule: 6-month co-op duration, January - June
Work environment perks: Opportunities to work with engineers on design, fabrication, testing, and system validation; involvement in technology development and company culture
Additional benefits: Support for developing safety systems, participation in design reviews, opportunities for skill development in mechanical, electrical, and software systems, inclusive and welcoming company culture
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