An RTOS (Real-Time Operating System) job typically involves developing, optimizing, and maintaining real-time embedded systems that require precise timing and responsiveness. Professionals in this role work with RTOS platforms such as FreeRTOS, VxWorks, or RTEMS to design software for applications like automotive systems, industrial automation, aerospace, and medical devices. Key responsibilities include real-time task scheduling, memory management, debugging, and ensuring system stability under strict timing constraints. Strong proficiency in C/C++, embedded systems programming, and knowledge of hardware-software interaction are essential for this role.