|   | (Mark One)                 |                                                                                                                                       |   |
|--------|----------------------------|--------------------------------------------------------------------------------------------------------------------------------------------|--------|
|   | [ X ]                      | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31, 2009             |   |
|   |                       |  OR                                                                                                                                   |   |
|   | [    ] | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from   to ____  |   |

|   | GSE Systems, Inc.                                      |   |
|--------|--------------------------------------------------------|--------|
|   | (Exact name of registrant as specified in its charter) |   |

| Delaware                                        |   | 52-1868008                                    |
|-------------------------------------------------|--------|-----------------------------------------------|
| (State of incorporation)                        |   | (I.R.S. Employer Identification Number)  |
| 1332 Londontown Blvd., Suite 200, Sykesville MD |   | 21784                                         |
| (Address of principal executive offices)        |   | (Zip Code)                               |

| Title of each class          |   | Name of each exchange on which registered |
|------------------------------|--------|-------------------------------------------|
| Common Stock, $.01 par value |   | NYSE Amex Stock Exchange                  |

| Large accelerated filer  [  ] | Accelerated filer  [ X ] | Non-accelerated filer [ ]                     | Smaller reporting company [ ] |
|---------------------------------------------------|------------------------------------|-----------------------------------------------|-------------------------------|
|                                              |                               | (Do not check if a smaller reporting company) |                          |

----

| PART IV  |                                        |    |
|----------|---------------------------------------------|---------|
| Item 15. | Exhibits and Financial Statement Schedules. | 3       |
|     |  SIGNATURES                            |  3 |
|     | Exhibits Index                              | 4       |

----

| ITEM 15. | EXHIBITS AND FINANCIAL STATEMENT SCHEDULES |
|----------|--------------------------------------------|

| (a)   | (2)  List of Schedules |
|-----------------|----------------------------------|

----

| Exhibit | Description of Exhibit                                                                                                                                                                                             |
|---------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|    |                                                                                                                                                                                                               |
| 23.     | Consents of Experts and Counsel                                                                                                                                                                                    |
|    |                                                                                                                                                                                                               |
| 23.1    | Consent of KPMG LLP, filed herewith.                                                                                                                                                                          |
| 23.2    | Consent of Deloitte & Touche (M.E.), filed herewith.                                                                                                                                                      |
|    |                                                                                                                                                                                                               |
| 31.     | Certifications                                                                                                                                                                                                     |
|    |                                                                                                                                                                                                               |
| 31.1    | Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, filed herewith.                                                                                                |
|    |                                                                                                                                                                                                               |
| 31.2    | Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, filed herewith.                                                                                           |
| 32.     | Section 1350 Certifications                                                                                                                                                                                        |
|    |                                                                                                                                                                                                               |
| 32.1    | Certification of Chief Executive Officer and Chief Financial Officer of the Company pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, filed herewith.  |
| 99.     | Additional Exhibits                                                                                                                                                                                                |
|    |                                                                                                                                                                                                               |
| 99.1    | Emirates Simulation Academy LLC reports and financial statements for the year ended 31 December 2009, filed herewith.                                                                                              |