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Network Engineer - Telephony Systems

Company:
thejosefgroup.com
Location:
Sterling, VA
Posted:
December 08, 2025
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Description:

Network Engineer (Telephony Systems)

TS/SCI Full Scope Poly

Dulles, VA

We are seeking a Network Engineer with a background in Telephony Systems to join our engineering team in the Dulles region. This position will be responsible for working across the team enterprise to assist in the management, development, tracking, monitoring, and deployment of technical solutions to address requirements. This individual will work within a small, mission focused team to implement technical solutions to challenging problems. This individual will work autonomously to develop, test, and deploy solutions that address requirements with a particular emphasis on telephony solutions.Core Responsibilities Include:

Monitor and Troubleshoot networks

Perform or manage integration of commercial voice technologies with PBX

Research, test, validate, and deploy new commercial technologies

Desktop virtualization

Demonstrate the following:

Strong analytical and problem-solving skills; demonstrated ability to analyze complex situations, determine course of action and act promptly and effectively when problems arise

Demonstrated outstanding interpersonal skills and strong oral and written communications skills

Excellent communication skills and ability to work independently as well on collaborative teams

Maintain appropriate technical training to ensure skills are kept current with evolving technology

Performs other duties as assigned at the direction of Project Management Required Skills

Ability to travel on an infrequent, but as needed basis, primarily CONUS

Demonstrated understanding of high availability technologies and implementation/ deployment concepts

Experience with networking and network security technologies

Experience implementing customer IT and Cyber Security best practices

Experience with SIP integration to PBX

Experience with SIP integration to PBX Desired Skills (Optional)

Experience designing, building, deploying, and maintaining networks

Demonstrated understanding of SIEM and security analytical technologies (e.g., Splunk, pcap, Netflow, etc)

Experience with Cloud platforms

Experience with modern server operating systems and virtualization technologies

Experience with commercial voice services such as Microsoft Teams, Google Voice, business VOiP providers and wholesale business VOiP providers

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