HERNDON, Va., April 13, 2021 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its first quarter fiscal year 2021 earnings press release after close of market Tuesday, May 4, 2021. Management will discuss financial results in a conference call beginning at 5 p.m. ET.

HERNDON, Va., April 05, 2021 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced that it has won the Red Hat Partner award for Best DoD solution leveraging Red Hat hybrid cloud and open source technology solutions. Red Hat selected ManTech for the top honor based on ManTech’s innovative use

HERNDON, Va., March 24, 2021 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced the appointment of Julie Anna Barker as Chief Human Resources Officer. Reporting to Chairman, CEO and President Kevin M. Phillips, Barker is responsible for the development, implementation and execution of human