麻烦英语高手翻译一下这句话，谢谢！谢绝在线翻译软件???

This experience has hardened my resolve to find a job in operations or in sales. 运营工作需要更具体的解释，这里译为 operational occupation 或 a job in operations. 坚定我的决心可译为 hardened my resolve 或 made me more determined. 这是我自己的翻译，保证地道、语法正确。