Some U.S.-based employees who are subject to performance evaluations could end up leaving this year after their assessments, unnamed sources told Bloomberg. (Bloomberg) — Exxon Mobil Corp. is preparing to cut jobs in the U.S. as the oil giant focuses on a slimmed-down and more efficient organizational structure, according to people familiar with the matter. Between 5% and 10% of U.S.-based employees who are subject to performance evaluations could end up leaving this year after their assessments, said the people, who asked not to be identified because they weren’t authorized to speak publicly. The cuts are expected to be performance-based and not characterized as layoffs — and not all workers are subject to such evaluations, which typically apply to white-collar jobs such as engineering, finance and project management. Exxon said in a statement there’s no specific target to reduce headcount. “We have a rigorous talent management process which routinely […]