The phrase "a former post" is correct and usable in written English.
It can be used to refer to a previous job or position that someone held before their current one.
Example: "After leaving a former post at the company, she decided to pursue new opportunities in a different industry."
Alternatives: "a previous position" or "an earlier role".
Opened a year ago in a former post office by Mark C. Grossich — who is also behind the Campbell Apartment in Grand Central Terminal — the Art Deco-inspired lounge offers specialty cocktails and Frank Sinatra amid plush banquettes, crystal chandeliers and Madagascar ebony walls.
The restaurant is in a former post office.
Auster interviewed ouside a former post office in the neighborhood where he lives, Park Slope, Brooklyn.
The inaugural article's authors were Eric Pianin, the Fiscal Times's Washington editor and a former Post reporter and editor; and Elaine S. Povich, a former reporter for Newsday.
A former Post employee said there had been hacking attempts at the Washington Post for at least four years, but none targeted the company's newsroom.
Kim Kingsley, the Politico executive vice president (and a former Post colleague of mine) is a tireless promoter of Politico stories, its reporters and its brand.
They have moved to a larger site, a former post-office building in which the 18th-century wood engraver Thomas Bewick once lived.
KOS is a former post-graduate student of Chuiko Institute of Surface Chemistry, Kyiv, Ukraine.
He is a graduate of Duke University (B.S) and Oxford University (M.Sc), and a former post-doctoral fellow at Harvard Medical School and the MIT Dalai Lama Center for Ethics.
What is interesting is that that was found in the data by Jeff AndrewhoHanna, who's a professor at the Colorado School of Mines, a former post-doc of mine, and he never really liked that theory about the expansion of the moon, but he wound up proving that it was correct on the basis of the data!
TCH designed and performed the real-time PCR analysis with assistance from a former post-doctoral fellow Xiaohua Lu.
