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                                                                   Exhibit 10.41


                               SECOND AMENDMENT TO
                         SENIOR SECURED CREDIT AGREEMENT

                  This Second Amendment to Senior Secured Credit Agreement (this
"Amendment") is entered into as of June 22, 2000, by and among The Titan
Corporation (the "Borrower"), the financial institutions party hereto (the
"Lenders"), Credit Suisse First Boston, as Lead Arranger and as Administrative
Agent for the Lenders (the "Administrative Agent"), First Union Securities,
Inc., as Co-Arranger and as Syndication Agent (the "Syndication Agent"), and the
Bank of Nova Scotia, as the Documentation Agent (the "Documentation Agent").

                                    RECITALS

                  A. The Borrower, the Lenders, the Administrative Agent, the
Syndication Agent and the Documentation Agent are parties to that certain Senior
Secured Credit Agreement dated as of February 23, 2000 (as amended to date, the
"Credit Agreement"). Capitalized terms used herein without definition have the
meanings ascribed to such terms in the Credit Agreement.

                  B. The Borrower has requested that the Credit Agreement be
amended to permit the Borrower to make Investments in non-U.S. companies without
the consent of the Required Lenders.

                  C. The Borrower and the Required Lenders have agreed to amend
the Credit Agreement as follows.

                                    AGREEMENT

                  Section 1. AMENDMENT TO SECTION 8.5. (a) Section 8.5 of the
Credit Agreement is hereby amended by deleting the word "and" at the end of
clause (i), renumbering clause (j) as clause (k) and adding a new clause (j)
which will read in its entirety as follows:

         "(j) after the Closing Date, Investments in non-U.S. Persons in an
         amount not to exceed $35,000,000 in the aggregate over the remaining
         term of this Agreement; and"

                         (1) Clauses (ii) and (iii) of the proviso following
clause (k) of Section 8.5 are hereby amended to read in their entirety as
follows:


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                  "(ii) no Investment otherwise permitted by CLAUSES (c), (d),
         (e), (f), (g), (j) or (k) shall be permitted to be made if any Default
         has occurred and is continuing or would result therefrom; and

                  (iii) after the Closing Date the aggregate amount of
         acquisitions (whether pursuant to an acquisition of stock, assets
         constituting a business unit of any Person or all or substantially all
         of the assets of any Person or otherwise and including any assumed
         debt) by the Borrower or any Guarantor of any Person or the assets of
         any Person shall not exceed $100,000,000 over the remaining term of
         this Agreement (excluding (x) the ACS Acquisition and the acquisitions
         of Acquisition Two and LinCom, (y) any acquisitions made pursuant to
         clause (J) above and (z) the amount of any acquisition which has
         received the prior written consent of the Required Lenders)."

                  Section 2. AMENDMENT EFFECTIVE DATE. The Amendment Effective
Date shall be the date on which all of the conditions set forth below have been
satisfied (or waived by the Required Lenders):

                         (1) The Administrative Agent shall have received
counterparts of this Amendment, executed by the Borrower and the Required
Lenders.

                         (2) The Administrative Agent shall have received such
other documents and information as it shall reasonably request.

                  Section 3. REPRESENTATIONS AND WARRANTIES. The Borrower hereby
represents and warrants to the Administrative Agent and the Lenders that, as of
the date of and after giving effect to this Amendment, (a) the execution,
delivery and performance of this Amendment and any and all other documents
executed and/or delivered in connection herewith have been authorized by all
requisite corporate action on the part of the Borrower and will not violate the
Borrower's articles of incorporation or bylaws, (b) all representations and
warranties set forth in the Credit Agreement and in any other Loan Document are
true and correct as if made again on and as of such date (except those, if any,
which by their terms specifically relate only to a different date), (c) no
Default or Event of Default has occurred and is continuing, and (d) the Credit
Agreement (as amended by this Amendment) and all other Loan Documents are and
remain legal, valid, binding and enforceable obligations in accordance with the
terms thereof.


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                  Section 4. SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All
representations and warranties made in this Amendment or any other Loan Document
shall survive the execution and delivery of this Amendment and the other Loan
Documents, and no investigation by any of the Credit Agents or the Lenders, or
any closing, shall affect the representations and warranties or the right of the
Credit Agents and the Lenders to rely upon them.

                  Section 5. REFERENCE TO AGREEMENT. Each of the Loan Documents,
including the Credit Agreement, and any and all other agreements, documents or
instruments now or hereafter executed and/or delivered pursuant to the terms
hereof or pursuant to the terms of the Credit Agreement as amended hereby, are
hereby amended so that any reference in such Loan Documents to the Credit
Agreement, whether direct or indirect, shall mean a reference to the Credit
Agreement as amended hereby.

                  Section 6. GOVERNING LAW. THIS AMENDMENT SHALL EACH BE DEEMED
TO BE A CONTRACT MADE UNDER AND GOVERNED BY THE INTERNAL LAWS OF THE STATE OF
NEW YORK (INCLUDING FOR SUCH PURPOSE SECTIONS 5-1401 AND 5-1402 OF THE GENERAL
OBLIGATIONS LAW OF THE STATE OF NEW YORK).

                  Section 7. EXECUTION. This Amendment may be executed in
counterparts, each of which shall be an original and all of which, collectively,
shall constitute one instrument.

                  Section 8. LIMITED EFFECT. This Amendment relates only to the
specific matters covered herein, shall not be considered to be a waiver of any
rights the Lenders may have under the Credit Agreement, and shall not be
considered to create a course of dealing or to otherwise obligate the Lenders to
execute any amendments or grant any waivers or consents under the same or
similar circumstances in the future. Section 1.


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                  IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be executed by their respective officers thereunto duly authorized
as of the day and year first above written.


                                        THE TITAN CORPORATION



                                        By:
                                           -------------------------------------
                                           Name:
                                           Title:


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                                        LENDER:






                                        By:
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                                           Name:
                                           Title:



                                        By:
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                                           Name:
                                           Title: