EXHIBIT31.1

Chief Executive Officer Certification

Required byRules 13a-14 and 15d-14 under the Securities Exchange Act of 1934, asamended

I, David E. Hershberg, certifythat:

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| 1.   | I have reviewed this annualreport on Form 10-K of Globecomm Systems Inc.; |

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| 2.  | Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state amaterial fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleadingwith respect to the period covered by this report; |

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| 3.  | Based on my knowledge, the financial statements,and other financial information included in this report, fairly presentin all material respects the financial condition, results of operationsand cash flows of the registrant as of, and for, the periods presentedin this report; |

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| 4.  | The registrant'sother certifying officer(s) and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant andhave: |

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| a)  | Designed such disclosurecontrols and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure thatmaterial information relating to the registrant, including itsconsolidated subsidiaries, is made known to us by others within thoseentities, particularly during the period in which this report is beingprepared; |

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| b)  | Designed such internalcontrol over financial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, to providereasonable assurance regarding the reliability of financial reportingand the preparation of financial statements for external purposes inaccordance with generally accepted accountingprinciples; |

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| c)  | Evaluated theeffectiveness of the registrant's disclosure controls andprocedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures as of the endof the period covered by this report based on such evaluation;and |

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| d)  | Disclosed in this report anychange in the registrant's internal control over financialreporting that occurred during the registrant's most recentfiscal quarter (the registrant's fourth fiscal quarter in thecase of an annual report) that has materially affected, or isreasonably likely to materially affect, the registrant's internalcontrol over financial reporting; and |

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| 5.  | Theregistrant's other certifying officer(s) and I have disclosed,based on our most recent evaluation of internal control over financialreporting, to the registrant's auditors and the audit committeeof the registrant's board of directors (or persons performing theequivalent function): |

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| a)  | Allsignificant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adversely affect the registrant's ability torecord, process, summarize and report financial information; and |

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| b)  | Any fraud, whether or not material,that involves management or other employees who have a significant rolein the registrant's internal control over financialreporting. |

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| Date:September 13, 2005 |  | By: /s/ DAVID E.HERSHBERGDavid E. HershbergChairman of the BoardandChief Executive Officer |  |   |
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