TS/SCI Voice & UC Engineer – Mission-Critical Gov IT

Piper Companies; Illinois; On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k)

Job summary

Piper Companies is seeking an Enterprise Voice Engineer/UC & Collaboration Engineer to support a government-focused technology and communications environment. This role requires expertise in IP voice systems and enterprise networking, with a focus on secure, highly available voice services at Scott Air Force Base, IL.

Candidates must hold TS/SCI clearance and DoD 8570 IAT Level II certification, with hands-on experience in CUCM, Unity, CUBE, Oracle SBC, or Avaya Aura and strong SIP/IP telephony

Qualifications

• Active TS/SCI clearance required.
• DoD 8570 IAT Level II certification (e.g., Security+ CE).
• Hands-on experience with enterprise voice platforms such as CUCM, Unity, CUBE, Oracle SBC, or Avaya Aura.
• Strong expertise in SIP signaling, call flows, and IP telephony systems.
• Ability to document systems and support structured operational procedures.

Responsibilities

• 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.

Skills

CUCM

Unity

CUBE

Oracle SBC

Avaya Aura

SIP signaling

IP Telephony

WAN fundamentals

Call routing

Education

DoD 8570 IAT Level II certification

Tools

Network monitoring tools

Job description

Piper Companies is seeking an Enterprise Voice Engineer/UC & Collaboration Engineer to support a government-focused technology and communications environment. This role requires expertise in IP voice systems and enterprise networking, with a focus on secure, highly available voice services at Scott Air Force Base, IL.

Candidates must hold TS/SCI clearance and DoD 8570 IAT Level II certification, with hands-on experience in CUCM, Unity, CUBE, Oracle SBC, or Avaya Aura and strong SIP/IP telephony