POWER OF ATTORNEY

	The undersigned hereby constitutes and appoints Lisa A. Hunt,
David R. Fontaine and/or Patricia Drohan, the undersigned's true
and lawful attorney-in-fact, to:

	(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of American
Management Systems, Inc. (the "Company"), Forms 3, 4 and 5 in accordance
with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder;

	(2)	do and perform any and all acts for and on behalf of the
 undersigned which may be necessary or desirable to complete and execute
 any such Form 3, 4 or 5 and file such form with the United States
 Securities and Exchange Commission, the Nasdaq Stock Market and any
 other authority;

	(3)	prepare and sign on my behalf any Form 144 Notice under
 the Securities Act of 1933 and file the same with the United States
 Securities Commission; and

	(4)	take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact,
 may be of benefit to, in the best interest of, or legally required by,
 the undersigned.

	The undersigned hereby grants to such attorney-in-fact full
 power and authority to do and perform any and every act and thing
whatsoever requisite, necessary or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all
 intents and purposes as the undersigned might or could do
 if personally present, with full power of substitution or
 revocation, hereby ratifying and confirming all that such
 attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue
 of this power of attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing
attorney-in-fact, in serving in such capacity at the request
 of the undersigned, is not assuming any of the
 undersigned's responsibilities to comply with Section 16
 of the Securities Exchange Act of 1934.

	This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file
 Forms 3, 4 and 5 with respect to the undersigned's holdings
 of and transactions in securities issued by the Company,
 unless earlier revoked by the undersigned in a signed
 writing delivered to the foregoing attorneys-in-fact.

	IN WITNESS WHEREOF, the undersigned has caused this
 Power of Attorney to be executed as of this
29 day of September, 2003.


		/s/ Jennifer Felix
	Signature

		Jennifer Felix
	Print Name








COMMONWEALTH OF VIRGINIA	:
			:  ss
COUNTY OF FAIRFAX	:

	On this the 29th day of September 2003, before me,
 Elizabeth Ann Blevins, the undersigned officer, personally
appeared Jennifer Felix, who executed the foregoing instrument
 for the purposes therein contained, by signing his/her
name above and who, prior to his execution
of the foregoing instrument, acknowledged the foregoing
 to be his/her voluntary act and deed.

			/s/ Elizabeth Ann Blevins
			Notary Public
My commission expires:   11/30/2005





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