Engineers at SEL solve hard problems in many disciplines. We invent, design, and build digital products and systems that protect critical infrastructure around the world. That requires cybersecurity experts to protect digital systems from human threats and requires mechanical experts to protect sensitive equipment from environmental hazards. Software and firmware engineers create the software and logic that takes action in milliseconds or faster, while hardware engineers design the circuits that translate software into action.We take pride in our mission to make electric power safer, more reliable, and more economical. SEL employees are given the tools and support to take ownership of their work, from concept to finished product. Onsite manufacturing and testing provide fast prototype turnaround and short feedback loops.