The employer, MEXC (likely referring to MEXC Global, a prominent cryptocurrency exchange), is seeking an Operations and Maintenance Engineer to bolster its IT infrastructure in a high-stakes environment where reliability, security, and scalability are paramount. Given MEXC's position in the fintech and crypto industry, the recruitment intent is to find an individual who can guarantee uninterrupted services for trading platforms, protect sensitive user data, and handle potential cyber threats, thereby maintaining user trust and business continuity. The emphasis on certifications, specific tools, and compliance suggests a need for a proactive, detail-oriented engineer capable of managing large-scale distributed systems, minimizing downtime, and adapting to rapid technological changes in the crypto market. This role likely aims to address any gaps in current operations, possibly due to growth or security incidents, and to foster innovation in IT practices to stay competitive in a volatile industry.