An operations engineer maintains a company's operations system. In this career, your primary responsibilities include designing heavy equipment layouts, assisting with technical operations, analyzing machinery, running tests, and implementing changes. You are in charge of conducting investigations and using engineering theories and principles to improve the computer systems. Your duties also include updating systems, repairing machinery, providing preemptive maintenance, and documenting operational procedures and processes. As an operations engineer, you must always be looking to improve quality and efficiency and cut costs.