Enterprise Voice Engineer/UC Engineer/Collaboration Engineer - 173577

ZP Group; Illinois; On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k)

Job summary

Piper Companies seeks an Enterprise Voice Engineer/UC & Collaboration Engineer to support a government-focused environment. You will engineer and sustain a large-scale IP voice and video communications infrastructure and ensure high availability across distributed sites.

Requirements include active TS/SCI clearance, DoD 8570 IAT II certification, and hands-on experience with CUCM, Unity, CUBE, Oracle SBC, or Avaya Aura. Competitive salary and benefits.

Qualifications

• Active TS/SCI clearance required for access to government data.
• DoD 8570 IAT Level II certification or equivalent.
• Hands-on experience with enterprise voice platforms (CUCM, Unity, CUBE, SBC, Avaya Aura).
• Strong SIP signaling, IP telephony, and WAN knowledge.

Responsibilities

• Engineer and sustain large-scale IP voice and video infrastructure.
• Configure call routing components and device profiles.
• Troubleshoot voice, signaling, and media across distributed sites.
• Develop and maintain technical documentation and procedures.
• Ensure high availability and secure voice communications.

Skills

SIP signaling

IP telephony

WAN concepts

Documentation

Education

DoD 8570 IAT Level II certification (e.g., Security+ CE)

Tools

CUCM

Cisco Unity

Cisco UBE/CUBE

Oracle SBC

Avaya Aura

Job description

Piper Companies is seeking an Enterprise Voice Engineer/UC & Collaboration Engineer to support a government-focused technology and communications environment. The Enterprise Voice Engineer/UC & Collaboration Engineer role is ideal for a skilled engineer with experience in IP voice systems, network infrastructure, and enterprise communications who can help maintain secure, reliable, and highly available voice services in a mission-critical setting. Must be local to Scott Air Force Base, IL

Responsibilities of the Enterprise Voice Engineer/UC & Collaboration Engineer:

• Perform engineering and sustainment activities for a large-scale IP voice and video communications infrastructure.
• Manage, configure, and troubleshoot voice, video, and data network systems to ensure high availability and performance.
• Execute system maintenance, capacity planning, and configuration change management activities.
• Configure and manage call routing components including calling search spaces, route plans, route partitions, route lists, and device profiles.
• Configure and support Cisco or Juniper routing and switching devices.
• Support distributed firewall infrastructure and ensure secure voice communications.
• Develop and maintain technical documentation, diagrams, and operational procedures.
• Analyze SIP signaling, call flows, and resolve complex communication issues.
• Troubleshoot site registration, signaling, and media-related issues across distributed environments.
• Validate and implement configuration changes in accordance with enterprise standards.
• Perform fault analysis for voice subscribers, call handlers, routing rules, and network configurations.
• Contribute to technical policies, work instructions, and reporting for enterprise voice services.

Qualifications of the Enterprise Voice Engineer/UC & Collaboration Engineer

• Active TS/SCI clearance required.
• Must possess DoD 8570 IAT Level II certification (e.g., Security+ CE or equivalent).
• Hands-on experience with enterprise voice platforms such as Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle SBC, or Avaya Aura.
• Strong expertise in SIP signaling, call flows, and IP telephony systems.
• Experience troubleshooting complex routing, switching, security, and voice infrastructure issues.
• Strong understanding of WAN principles and enterprise networking concepts.
• Ability to document systems, create diagrams, and support structured operational processes.

Compensation for the Enterprise Voice Engineer/UC & Collaboration Engineer includes:

• Salary range: $140,000 - $210,000
• Comprehensive benefits package including medical, dental, vision, and 401(k)
• Opportunity to support a mission-critical government program
• Professional growth within a highly technical and secure environment

This job opens for applications on 09/2/2026. Applications for this job will be accepted for at least 30 days from the posting date.