Wǒ de gōngzuò yāoqiú wǒ suíjiàosuídào, méiyǒu xiūxi shíjiān.
My job requires me to be on call with no real time off.
Tips
grammar
随叫随到 follows the pattern 随A随B meaning 'as soon as A, then B' or 'whenever A, always B'. Other examples: 随时随地 (anytime and anywhere), 随手关门 (close the door as you go). The 随 here means 'to follow/to go along with'.