Voice Over Internet Protocol Technician

ManTech seeks a motivated, career and customer-oriented Voice Over Internet Protocol (VOIP) Technician to join our team in Annapolis Junction, MD . The VOIP SME is responsible for supporting Cisco Unified Call Managers for a global footprint in addition to POTS lines, both supporting e911 services in support of the Government customer.

Responsibilities include but are not limited to :

• Provides broad telephony support from administrator level configurations to in-depth technical solutions for critical clients over secure and nonsecure networks.
• Works as the SME for engineers, surveyors, installers, and project managers to develop and execute end-to-end solutions for various vendor products.
• May manage multiple communication projects that provide critical response efforts resulting in streamline services for analog, digital, and video requirements.
• Provides administration to voicemail servers, call managers, and emergency responders involving T1, fiber, Ethernet, multiplexing, copper wrap, and cellular servicing.
• Configures and troubleshoots multi-vendor hardware and software systems to enable users to perform complex defense operations.
• Engages support for the escalation and communication of status to agency management and internal customers.
• Support clients across multi-level service platforms, executing in-depth solutions to resolve real-time incidents and requests.
• Provide support to TCP / IP network protocols that rely on TCP, Session Initiation Protocol, session description protocol, and VoIP codecs to provide reliable service.
• Support integration of VOIP systems to include the planning, design, installation, maintenance, management, and coordination of the deliverable.
• Monitor, tune, and support basic existing telephone systems and network infrastructure to ensure stable, reliable, secure, and efficient communications operations.
• Support Identification, assessment, and development of detailed requirements such as supporting re-architecture of network segments in order to facilitate new requirements, technologies and growth.
• Support lien mitigation efforts related to maintaining a compliant System Security Plan and associated network security.
• Communicate effectively with a wide variety of technical and non-technical audiences, including customers, team partners, and other staff members.
• Travel is required in support of service requirements ~10-20%. This position also offers opportunities to support other bodies of work, at different locations, and to travel both CONUS and OCONUS (no hostile areas) for AVMM support.

Minimum Qualifications :

Preferred Qualifications :

Clearance Requirements :

Physical Requirements :