Senior VoIP Network Engineer (Cisco CCNP)

Abacus Technology Corporation; Illinois; On-site; USD 110,000 - 170,000; Full time

Job summary

Abacus Technology Corporation seeks a seasoned VoIP/telecommunications engineer to provide tier 3 engineering and support for voice networks. You will configure Cisco VoIP systems, enhance features, and develop SIP connections to external networks, ensuring secure, reliable communications for government-related projects.

Requirements include 5+ years in VoIP, a related bachelor’s degree, CCNP Collaboration, and a current Top Secret clearance. US citizenship is required for eligibility.

Qualifications

• 5+ years of 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 CUCM and Unity.
• Experience with network implementation and maintenance.
• US citizenship and current Top Secret clearance.

Responsibilities

• Provide tier 3 engineering and support for voice and communications networks.
• Configure, develop, patch, STIG, enhance, and add features to Cisco VoIP system (CUCM, Unity, Ribbon VX900, IM and Presence, Teleconference Bridges).
• Develop configurations for SIP-enabled connections between VoIP and external networks (CUCM, Unity, Asterisk, Call Manager Express, SRST).
• Develop SIP configurations for connections between VoIP and client networks.

Skills

VoIP engineering

CUCM

Cisco Unity

Physical network infra

US citizenship

Top Secret clearance

Education

Bachelor’s degree (related field)

Tools

Cisco Unified Call Manager (CUCM)

Session Border Controllers

Job description

Abacus Technology Corporation seeks a seasoned VoIP/telecommunications engineer to provide tier 3 engineering and support for voice networks. You will configure Cisco VoIP systems, enhance features, and develop SIP connections to external networks, ensuring secure, reliable communications for government-related projects.

Requirements include 5+ years in VoIP, a related bachelor’s degree, CCNP Collaboration, and a current Top Secret clearance. US citizenship is required for eligibility.