Mechanic engineering bachelor degree or above, Junior engineer.

轮机工程本科以上学历，初级工程师职称。

youdao

The most junior executive officer outranked the senior engineer officer aboard ship.

船上最低的执行官也比高级工程官的级别高。

《柯林斯英汉双解大词典》

Gaur got his start working as a junior engineer for the government.

FORBES: Jaiprakash Gaur

Lego is only making about 85, 000 of them this year, so if this sounds like something for the junior (or senior) engineer in your house, you might want to move quickly.

FORBES: Odd creatures