An Endpoint Security Engineer is responsible for securing an organization's endpoints, including desktops, laptops, mobile devices, and servers. They implement, monitor, and manage security solutions such as antivirus software, endpoint detection and response (EDR) tools, and access controls. Their primary goal is to protect endpoints from cyber threats, malware, and unauthorized access. They also collaborate with IT and security teams to develop policies, respond to incidents, and ensure compliance with security frameworks.