Former chief of defence force Neo Kian Hong, 49, will be appointed Permanent Secretary (Education Development) from July 1.
With his appointment, the Education Ministry will have two permanent secretaries. Ms Chan Lai Fung, who has been Permanent Secretary (Education) since November, will continue in that post.
Mr Neo joins the Administrative Service after completing an Advanced Management Program at Harvard University. He had retired from the Singapore Armed Forces (SAF) this year after an illustrious 30-year career.
A SAF Overseas Scholar, Mr Neo was promoted to the rank of Lieutenant-General. He was chief of defence force from 2010 to March this year, when he led a push to have soldiers train with laptops and handheld gadgets.
Before that, he served as chief of army from 2007 to 2010.