Voice Network Engineer

Apply Now ↗
📍 Belleville, IL, USOTHER

About this role

Overview

Abacus Technology is seeking a Voice Network Engineer to provide infrastructure support of communications networks for an enterprise program at Scott AFB.  This is a full-time position.

Responsibilities

  • Provide tier 3 engineering and support for voice and communications networks.
  • Configure, develop, patch, STIG, enhance, and add features to Cisco VoIP system to include Call Manager, Cisco Unity, Ribbon VX900 devices, Instant Message and Presence and Teleconference Bridges.
  • Develop configurations and methods for Cisco Unified Border Elements, Session Border Controllers, and other network devices that use Session Initiated Protocol (SIP) to connect system to external voice systems.
  • Develop configurations for SIP connections between the VoIP network and other customer networks including Asterik networks, Call Manager Express, SRST, and other Cisco VoIP networks.

Qualifications

5+ years experience in a VoIP or telecommunications engineering role.  Bachelor’s degree in a related field.  Must be CCNP Collaborations certified.  Hands-on experience with physical network infrastructure (switches, routers).  Extensive experience with Cisco tools and technologies including Cisco Unified Call Manager (CUCM) and Unity.  Experience with network implementation and maintenance.  Able to demonstrate flexibility in adjusting to variable workload and job duties.  Able to interact professionally with all levels of an organization.  Must be a US citizen and hold a current Top Secret clearance.

 

Applicants selected will be subject to a U.S. government security investigation and must meet eligibility requirements for access to classified information.

 

EOE/M/F/Vet/Disabled

Frequently Asked Questions

Is the salary disclosed for the Voice Network Engineer position at abacustech?
The salary for this Voice Network Engineer role at abacustech is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Voice Network Engineer position at abacustech located?
This Voice Network Engineer role at abacustech is based in Belleville, IL, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Voice Network Engineer role at abacustech full-time or part-time?
This is listed as a OTHER position. It is posted as a Voice Network Engineer role at abacustech.
How do I apply for the Voice Network Engineer position at abacustech?
Click the "Apply Now" button on this page. You will be redirected to abacustech's official application portal hosted on icims where you can submit your application directly.
When was the Voice Network Engineer job at abacustech posted?
This Voice Network Engineer position at abacustech was posted on Jul 15, 2026. Apply as soon as possible — early applications are often reviewed first.
Voice Network Engineer
abacustech
Apply for this role ↗

You'll be redirected to abacustech's official application page on icims.