Enterprise Voice Engineer/UC Engineer/Collaboration Engineer with Security Clearance
Zachary Piper Solutions, LLC Chicago
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.
- 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.
- 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 08/10/2026.
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EverforthChicago
including both transport and IP.
• Security Clearance: Active Secret security clearance with the capability to obtain and maintain a Top-Secret security clearance.
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