The Senior Security Engineering Manager will lead, mentor, and develop a team of security engineers, setting goals and conducting performance reviews. They will also drive the design and implementation of secure systems architecture across cloud, infrastructure, and application environments. The role involves leading threat assessments, analyzing security issues, engineering solutions and processes for issue remediation, and developing secure configurations. The manager will also act as a trusted security advisor to various teams, ensuring cross-functional collaboration and promoting a security-first approach.