Seeking a Principal Software Engineer with superb mainframe technical skills to develop and maintain high volume production platforms in the FBSI Order Management System domain of the Trade Management Engineering organization. Our mission is to provide best in class trading applications and support for Fidelity customers to better serve their brokerage needs. As part of this effort, you will engage collaboratively with systems and business partners to deliver high quality and innovative software solutions. Candidates for this role should be hardworking and energized to learn and grow with us in our digital transformation to build out our future cloud platform capabilities while delivering exceptional production stability. Join our dynamic teams working in a fast-paced environment, closely partnering with product, architecture, and other engineering teams. We provide mentors to help navigate your role. We offer dedicated time each month to develop new skills and investigate new technologies.