-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001179110-04-000200.txt : 20040105
<SEC-HEADER>0001179110-04-000200.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105163305
ACCESSION NUMBER:		0001179110-04-000200
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040102
FILED AS OF DATE:		20040105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PEC SOLUTIONS INC
		CENTRAL INDEX KEY:			0001103013
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				541339972
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12750 FAIR LAKES CIRCLE
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22033
		BUSINESS PHONE:		7032739880

	MAIL ADDRESS:	
		STREET 1:		12750 FAIR LAKES CIRCLE
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22033

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OWLETT CHARLES E
		CENTRAL INDEX KEY:			0001241669

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30271
		FILM NUMBER:		04505501

	BUSINESS ADDRESS:	
		STREET 1:		12730 FAIR LAKES CIRCLE
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22033
		BUSINESS PHONE:		7086794900

	MAIL ADDRESS:	
		STREET 1:		12730 FAIR LAKES CIRCLE
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22033
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2004-01-02</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001103013</issuerCik>
        <issuerName>PEC SOLUTIONS INC</issuerName>
        <issuerTradingSymbol>PECS</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241669</rptOwnerCik>
            <rptOwnerName>OWLETT CHARLES E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12730 FAIR LAKES CIIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FAIRFAX</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22033</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Senior Vice President</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common Stock</value>
</securityTitle>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>137572</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeHolding>
</nonDerivativeTable>
<derivativeTable><derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>12.00</value>
</conversionOrExercisePrice>
<exerciseDate><value>2002-02-28</value>
</exerciseDate>
<expirationDate><value>2010-02-28</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>7692</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>7692</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>7.50</value>
</conversionOrExercisePrice>
<exerciseDate><value>2000-04-25</value>
</exerciseDate>
<expirationDate><value>2010-04-24</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>13334</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>13334</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>8.125</value>
</conversionOrExercisePrice>
<exerciseDate><value>2002-12-31</value>
</exerciseDate>
<expirationDate><value>2010-12-31</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>12307</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>12307</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>37.61</value>
</conversionOrExercisePrice>
<exerciseDate><value>2003-12-31</value>
</exerciseDate>
<expirationDate><value>2011-12-31</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>2658</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>2658</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>18.01</value>
</conversionOrExercisePrice>
<exerciseDate><value>2004-07-14</value>
</exerciseDate>
<expirationDate><value>2012-07-14</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>25000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>25000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>18.01</value>
</conversionOrExercisePrice>
<exerciseDate><value>2006-07-14</value>
</exerciseDate>
<expirationDate><value>2012-07-14</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>50000</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>50000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>29.90</value>
</conversionOrExercisePrice>
<exerciseDate><value>2004-12-31</value>
</exerciseDate>
<expirationDate><value>2012-12-31</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>3344</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>3344</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
<derivativeHolding><securityTitle><value>Employee Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>16.95</value>
</conversionOrExercisePrice>
<exerciseDate><value>2005-12-31</value>
</exerciseDate>
<expirationDate><value>2013-12-31</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>5899</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>5899</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeHolding>
</derivativeTable>
<footnotes></footnotes>
<ownerSignature><signatureName>Charles E. Owlett</signatureName>
<signatureDate>2004-01-05</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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