UNITED STATESUNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

SI International

(Name of Issuer)

Common Stock

(Title of Class of Securities)

78427V102

(CUSIP Number)

7/16/2003

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule

is filed:

[X ]Rule 13d-1(b)

[ ]Rule 13d-1(c)

[ ]Rule 13d-1(d)

CUSIP No. 78427V102

1.Names of Reporting Persons.

I.R.S. Identification Nos. of above persons (entities only).

Wachovia Corporation 56-0898180

(Formerly named First Union Corporation)

2. Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

(b)

3.SEC Use Only

4.Citizenship or Place of Organization

North Carolina

Number of

Shares

Beneficially

Owned by

Each Reporting

Person With

5.Sole Voting Power

0

6.Shared Voting Power

0

7.Sole Dispositive Power

0

8.Shared Dispositive Power

0

9.Aggregate Amount Beneficially Owned by Each Reporting Person. 0

10.Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See

Instructions) Not Applicable.

11.Percent of Class Represented by Amount in Row (11) 0.00%

12.Type of Reporting Person (See Instructions)

Parent Holding Company (HC)

Item 1.

(a)Name of Issuer

SI International

(b)Address of Issuer's Principal Executive Offices

12012 Sunset Hills Road

Suite 800

Reston, VA 20190

Item 2.

(a)Name of Person Filing

Wachovia Corporation

(b)Address of Principal Business Office or, if none, Residence

One Wachovia Center

Charlotte, North Carolina 28288-0137

(c)Citizenship

North Carolina

(d)Title of Class of Securities

Common Stock

(e)CUSIP Number

929903102

Item 3.If this statement is filed pursuant to sections 240.13d-1(b) or

240.13d-2(b) or (c), check whether the person filing is a:

(a)[ ]Broker or dealer registered under section 15 of the Act (15 U.S.C.

78o).

(b)[ ]Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)[ ]Insurance company as defined in section 3(a)(19) of the Act (15

U.S.C. 78c).

(d)[ ]Investment company registered under section 8 of the Investment

Company Act of 1940 (15 U.S.C 80a-8).

(e)[ ]An investment adviser in accordance with section

240.13d-1(b)(1)(ii)(E);

(f)[ ]An employee benefit plan or endowment fund in accordance with

section 240.13d-1(b)(1)(ii)(F);

(g)[X ]A parent holding company or control person in accordance with

section 240.13d-1(b)(1)(ii)(G);

(h)[ ]A savings associations as defined in Section 3(b) of the Federal

Deposit Insurance Act (12 U.S.C. 1813);

(i)[ ]A church plan that is excluded from the definition of an investment

company under section 3(c)(14) of the Investment Company Act of 1940 (15

U.S.C. 80a-3);

(j)[ ]Group, in accordance with section 240.13d-1(b)(1)(ii)(J).

Item 4.Ownership.

Provide the following information regarding the aggregate number and

percentage of the class of securities of the issuer identified in Item 1.

(a)Amount beneficially owned: 0.

(b)Percent of class: 0.00%.

(c)Number of shares as to which the person has:

(i)Sole power to vote or to direct the vote

0.

(ii)Shared power to vote or to direct the vote

0.

(iii)Sole power to dispose or to direct the disposition of 0.

(iv)Shared power to dispose or to direct the disposition of 0.

Item 5.Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date

hereof the reporting person has ceased to be the beneficial owner of more

than five percent of the class of securities, check the following [X].

Item 6.Ownership of More than Five Percent on Behalf of Another Person.

Not Applicable.

Item 7.Identification and classification of the subsidiaries which acquired the security being reported on by the parent holding company.

Wachovia Corporation is filing this amendment pursuant to Rule

13d-1(b). The relevant subsidiaries are Wachovia Capital Markets, LLC (BD) and Wachovia Bank, N.A. (BK).

Item 8.Identification and Classification of Members of the Group

Not Applicable.

Item 9.Notice of Dissolution of Group

Not Applicable.

Item 10.Certification

(a)The following certification shall be included if the statement is filed pursuant to section 240.13d-1(b):

By signing below I certify that, to the best of my knowledge and belief,

the securities referred to above were acquired and are held in the

ordinary course of business and were not acquired and are not held for

the purpose of or with the effect of changing or influencing the control

of the issuer of the securities and were not acquired and are not held

in connection with or as a participant in any transaction having that

purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify

that the information set forth in this statement is true, complete and correct.

7/16/2003

Date

________________________________

Signature

Karen F. Knudtsen

Vice President and Trust Officer

Name/Title