Phone Technician

MANTECH seeks a motivated, career-oriented, and customer-focused Phone Technician to join our team in Warrenton, VA. In this role, you will provide frontline IT support and handle phone system installation and troubleshooting while collaborating closely with a dynamic, team-oriented environment. This role offers hands-on work with diverse technologies supporting critical operations.

Responsibilities Include, But Are Not Limited To

• Install, configure, and maintain VoIP and traditional phone systems, including handsets, headsets, peripherals, user extensions, voicemail, and call routing.
• Perform physical installation and setup of phone hardware, cabling, patch panels, and related telecommunications equipment, including work in network and telecom closets.
• Troubleshoot and resolve phone system hardware, software, and connectivity issues to ensure optimal performance.
• Coordinate with IT/network teams to integrate phone systems with data networks and support system upgrades.
• Document installations, configurations, and maintenance procedures, and provide user training on phone system features.
• Travel locally between customer buildings and support temporary assignments as required.
• Support coverage as part of a team operating between 6:00 AM and 5:00 PM. The required shift is Monday through Friday, 7:00 AM to 3:30 PM.
  
  

Basic Qualifications

• HS Diploma and 11 years of relevant experience OR Associates degree and 9 years of experience OR Bachelor’s degree and 7 years of experience
• Hands-on experience with phone hardware installation, cabling, patch panels, and working in network/telecom closets and with VOIP/digital phones.
• Ability to troubleshoot and resolve phone system hardware, software, and connectivity issues.
• Basic knowledge of networking concepts (TCP/IP, VLANs) and integration between phone systems and data networks.
• Experience supporting Windows 10, Microsoft Office 2016 or later, and common business applications.
• Knowledge of Active Directory, TCP/IP networking concepts, and standard IT support tools.
  
  

Preferred Qualifications

• Related work experience in IT hardware and cabling installation.
• Experience with implementation of Sponsor’s network LAN infrastructure.
• Ability to work independently and manage multiple installation or service tasks simultaneously.
• Experience in technical help desk position and IT hardware/cabling installation.
• Experience with enterprise ticketing systems (ServiceNow ITSM/ITOM, Remedy, Jira Service Management).
  
  

Clearance Requirements

• Must have an active TS/SCI clearance with Polygraph.
  
  

Physical Requirements

• Ability to remain stationary up to 25% of the time.
• Ability to move throughout buildings, access under desks, raised floors, and confined spaces.
• Ability to lift and move IT/AV equipment weighing 50 pounds (team lifts or carts as needed).
• Must be able to ascend/descend ladders 10 feet while pulling cables or adjusting equipment.
• Ability to operate computers, phones, and standard office equipment for extended periods.