HERNDON, Va. , Jan. 14, 2019 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its fourth quarter fiscal year 2018 earnings press release after close of market Wednesday, February 20, 2019 . Management will discuss financial results in a conference call beginning at 5

HERNDON, Va., Dec. 03, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced that it has named John McNiff as Senior Vice President, Business Development of the company’s Mission, Cyber & Intelligence Solutions (MCIS) Group , reporting to MCIS President Rick Wagner.

HERNDON, Va., Nov. 28, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced a $35 million award for the U.S. Marine Corps Warfighting Laboratory Division of Science and Technology (MCWL S&T) to perform research and development of future technologies that can deliver unique systems