POWER OF ATTORNEY

The undersigned hereby constitutes and appoints each of Raymond L. Veldman,
Lafayette Atkinson Jr. and Ramune M. Kligys signing singly, as the
undersigned's true and lawful attorney-in-fact to:

(1) prepare, execute in the undersigned's name and on the undersigned's
behalf, and submit to the U.S. Securities and Exchange Commission
(the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords
enabling the undersigned to make electronic filings with the SEC of
reports required by Section 16(a) of the Securities Exchange Act of
1934 or any rule or regulation of the SEC;

(2) execute for and on behalf of the undersigned,in the undersigned's
capacity as an executive officer and/or director of Leidos Holdings, Inc.
(the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of
the Securities and Exchange Act of 1934 and the rules thereunder, as
the same may be amended from time to time;

(3) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete the execution of any
such Form 3, 4 or 5 and the timely filing of such Form with the SEC and
any other authority; and

(4) take any other action of any type whatsoever 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, it being
understood that the documents executed by such attorney-in-fact on behalf
of the undersigned pursuant to this Power of Attorney shall be in such
form and shall contain such terms and conditions as such attorney-in-fact
may approve in his or her discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform each and every act and thing whatsoever
requisite, necessary and 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 his or her 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, are not assuming any of the undersigned's responsibilities
to comply with Section 16 of the Securities and Exchange Act of 1934 and
the rules thereunder, as the same may be amended from time to time.

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 to
the foregoing attorneys-in tact.

/s/ Mary V Schmanske