Product Engineering Intern

Nel Hydrogen•Wallingford, CT

125d•Onsite

About The Position

Are you interested in the intersection of engineering, data, and industrial energy systems? At Nel Hydrogen, you will work closely with large‑scale electrolyzer products and contribute to data‑centric testing, monitoring, and performance verification of MW‑scale hydrogen systems. We are now looking for a Product Engineering intern this summer to join our Large Scale Electrolyzer products team in Wallingford, CT. This is a paid internship. Nel Hydrogen is the global leader in on-site hydrogen generation and the largest electrolyser manufacturer in the world. Nel Hydrogen is leading the charge into the new green hydrogen economy. If you are driven by personal initiative combined with loyalty and commitment to your team and the ability to convert complex issues into simple solutions, then we want to talk to you. Join a company that is on the cutting edge of new energy innovations, with an energized, progressive culture. As an Intern, you will support the Large Scale Electrolyzer Products team, which is responsible for designing, sustaining, and improving Nel’s core products. Increased data collection, remote monitoring, and performance verification using new sensor technologies are key priorities in the 2026 product roadmap. This position will focus on data‑centric aspects of testing and performance evaluation for the MW‑scale MC Series electrolyzer system, supporting areas such as mechanical component selection, system configuration, material specifications, and overall design improvements.

Requirements

Currently studying Computer Science, Electrical Engineering, Mechanical Engineering, or a related field
Specific interest in automation, communications, or software programming
Knowledge of file transfer and communication systems (e.g. TCP/IP, MODBUS, OPC UA, or similar)
Understanding of database or data‑visualization tools, such as Azure‑based solutions or Excel/Power BI

Nice To Haves

Background in sensors, instrumentation, mechanical systems, or equipment is an advantage

Responsibilities

Support onboarding and refinement of a consolidated data collection and monitoring solution, in cooperation with Nel’s alkaline technology group
Verify communication support and assist in optimizing user interfaces and data‑access tools for engineers
Collaborate with service engineers to identify data trending and monitoring needs
Assist data collection and data reduction activities related to product engineering verification using new sensor systems
Review operational data to identify performance trends and system characteristics
Assist in running tests, collecting data, and developing technical report content, as applicable