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Voice Over Internet Protocol Technician Security Clearance

Job in Annapolis Junction, Howard County, Maryland, 20701, USA
Listing for: MANTECH
Full Time position
Listed on 2026-01-15
Job specializations:
  • IT/Tech
    IT Support, Systems Engineer, Cybersecurity, Technical Support
Job Description & How to Apply Below
Position: Voice Over Internet Protocol Technician with Security Clearance
Location: Annapolis Junction

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. .

* 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 and 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:

* Bachelor's degree and 6 years of relevant experience or 4 years of experience may be substituted for education

* Experience with service management knowledge

* Experience with support integration of VOIP systems to include the planning, design, installation, maintenance, management, and coordination of the deliverable

* IATT Level 2 certification, such as Security+ CE

* Understanding of IT equipment and service life as well as planning and implementation of equipment replacement

* Experience with presentations with the ability to convey technical and business concepts to various audiences, ability to handle complex customer situations and interact with all levels of personnel to provide a quick and effective resolution.

Preferred Qualifications:

* Experience with customer ticketing systems Service Now

* Support to network devices (including servers) in support of AVMM/IPTV/Streaming services

* IATT Level 2 certification, such as Security+ CE

* PMP Certification, and ITIL Foundations V3 certification desired

* Experience with large scale enterprise IT contracts. Clearance Requirements:
* Must have a current/active TS/SCI w/ Poly

Physical Requirements:

* The person must be able to handle IT of a reasonable nature without assistance. Move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication, which may involve delivering presentations.
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