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VoIP Administrator/Network Switch Technician

Leader Communications Inc
Abilene, TX Full Time
POSTED ON 5/4/2026
AVAILABLE BEFORE 7/4/2026


Position Summary

The VoIP Technician provides support that consists of routine maintenance, testing, diagnostic fault isolation, problem resolution, activation of features and/or equipment, software configurations and general information on features or capabilities of equipment.

Individuals must be able to attain and maintain a valid U.S. Government security clearance (Secret) in order to be retained in the position.

Duties & Responsibilities

Includes but not limited to the following:

  • Knowledge of telecommunications industry services, solutions and trends.
  • Experience to administer, maintain, patch, upgrade, STIG, and program the Government furnished Avaya VoIP equipment while using policies and regulations, and all applicable federal, state, and local laws and regulations.
  • Database administration of VoIP phones, software changes to include upgrades, patches, and firmware upgrades, database administration of the gateway-routers to include trunk (PRI) / analog connections, and SIP trunking, configuration management of VoIP infrastructure, and installation of technical refreshes or required upgrades.
  • Troubleshooting Voice of Secure Internet Protocol (VoSIP) and other classified voice devices (vIPer, etc.) connected to the VoIP network.

This job description in no way states or implies that these are the only duties to be performed by this employee. He or she will be required to follow any other instructions and to perform any other duties requested by his or her supervisor

Education & Experience Requirements

  • Must have a minimum four (3) years' experience to administer, maintain VoIP phone systems
  • Individual must possess a current DoD 8140 certification; CompTIA Security certification 
  • National Security background investigation required, Secret 

Skill & Certification Requirements

  • Avaya Systems
  • STIGs
  • Gateways
  • Session Border Controllers
  • SIP trunks
  • IAW
  • OEM's
  • DoD AF policies and regulations
  • Intermediate to advanced level skills in Microsoft Office software suite - Word, Excel, Outlook, PowerPoint
  • Ability to communicate effectively with all levels of employees and outside contacts.
  • Strong and effective written and verbal communication skills coupled with excellent interpersonal and team skills.
  • Strong interpersonal skills and good judgment with the ability to work alone or as part of a team.
  • LCI is an Equal Opportunity Employer/Veterans/ Disabled

 Leader Communications is an Affirmative Action and Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. If you’d like to view a copy of the company’s affirmative action plan or policy statement, please email hr@lcibest.com


Salary.com Estimation for VoIP Administrator/Network Switch Technician in Abilene, TX
$56,883 to $74,337
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