**EXHIBIT 31**

**Certification of Chief Executive Officer**

**Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002**

I, David G. Côté, certify that: 

1.    I have reviewed this Annual Report on Form 10-K of Symmetricom, Inc.; 

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period covered by this report; 

3.    Based on my knowledge,the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in thisreport; 

4.    The registrant’s other certifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant andhave: 

a)    Designed such disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in whichthis report is being prepared; 

b)    Designed such internal control over financial reporting, or causedsuch internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordancewith generally accepted accounting principles; 

c)    Evaluated the effectiveness of theregistrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)    Disclosed in this report any change in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; and 

5.    The registrant’s other certifying officerand I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalentfunctions): 

a)    All significant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and 

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role inthe registrant’s internal control over financial reporting. 

Date: September 9, 2009 

 

**Certification of Chief Financial Officer**

**Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002**

I, Justin Spencer, certify that:

1.    I have reviewed this Annual Report on Form 10-K of Symmetricom, Inc.; 

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; 

4.    The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant and have: 

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to bedesigned under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report isbeing prepared; 

b)    Designed such internal control over financial reporting, or caused such internalcontrol over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generallyaccepted accounting principles; 

c)    Evaluated the effectiveness of the registrant’s disclosurecontrols and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and 

d)    Disclosed in this report any change in the registrant’s internal control over financial reporting thatoccurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internalcontrol over financial reporting; and 

5.    The registrant’s other certifying officer and I have disclosed, basedon our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions): 

a)    All significant deficiencies and material weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and 

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role inthe registrant’s internal control over financial reporting. 

Date: September 9, 2009 

 

/s/    JUSTINSPENCER        
Justin Spencer
Executive Vice President Finance and Administration, Chief Financial Officer and Secretary

(Principal Financial and Accounting Officer)