corporate systems 是什么意思？公司系统？还是合成系统啊？

corporate systems应该为公司系统。

参考：
corporate system公司制度，公司制
Corporate Identity System企业形象识别系统
Modern-corporate system现代企业制度

Principal Corporate Systems Engineer易信安公司的“首席企业系统工程师”

Principal Corporate Systems Engineer General Summary: The Principal Corporate Systems Engineer is a field member of a corporate team that maintains technical expertise on the EMC Life Line product in support of field pre-sales and marketing activities.