Synonyms to on the job

advertent, agog, alert, all ears, all eyes, assiduous, attentive, aware, careful, concentrated, conscious, diligent, earnest, finical, finicking, finicky, heedful, intense, intent, intentive, meticulous, mindful, nice, niggling, observant, observing, on the ball, open-eared, open-eyed, openmouthed, regardful, watchful, agile, active, acute, adroit, alacritous, alive, awake, breakneck, bright, brisk, catty, dashing, deft, dexterous, dextrous, dispatchful, double-quick, eagle-winged, expeditious, express, fast, featly, fleet, flying, galloping, graceful, hair-trigger, hasty, headlong, hustling, keen, light, light of heel, light-footed, limber, lissome, lithe, lively, mercurial, neat-fingered, neat-handed, nimble, nimble-footed, on the, on the alert, peart, precipitate, prompt, qui vive, quick, quick as lightning, quick as thought, rapid, ready, reckless, resourceful, running, sharp, sleepless, smart, snappy, spanking, speedy, sprightly, spry, supple, sure-footed, swift, tripping, unblinking, unnodding, unsleeping, unwinking, volant, wakeful, wide-awake, winged, zippy, a