Amazon Key is seeking a Senior Controls Engineer to lead the development of innovative hardware solutions for automated access systems. This role combines mechanical and electrical engineering expertise to create sophisticated controls platforms that enhance safety and efficiency in Amazon's Fulfillment operations. The position offers an opportunity to work with cutting-edge home security technologies and access control products that enable secure deliveries. As part of the Amazon Key team, you'll be responsible for developing control systems, managing complex projects, and implementing automation solutions that directly impact Amazon's delivery operations. The role offers competitive compensation ranging from $128,600 to $213,600 based on location and experience, plus comprehensive benefits including medical coverage and equity. You'll join a rapidly growing team focused on high-profile projects and have the chance to make a significant impact on Amazon's delivery infrastructure. The position requires expertise in control systems, hardware development, and project management, making it ideal for engineers passionate about combining security technology with practical applications.