Exhibit 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in the registration statements (No. 333-89030 and 333-97579) of SRA International, Inc. on Form S-8 of our report dated July 31, 2002, appearing in this Annual Report on Form 10-K of SRA International, Inc. for the year ended June 30, 2002. /s/ Deloitte & Touche LLP - -------------------------- Deloitte & Touche LLP McLean, Virginia September 27, 2002