Voice Engineer

Zachary Piper Solutions is seeking a Voice Engineer to support a program focused on mission command and control networks for national security organizations. This role provides support for global DoD voice operations. This role is onsite in St. Claire, Illinois.

Responsibilities for the Voice Engineer include:

• Maintain and troubleshoot a large-scale IP voice, video, and data communications infrastructure, ensuring high resilience and performance.
• Implement and maintain enterprise IP telephony features including route plans, device profiles, and calling search spaces.
• Perform system maintenance, capacity planning, and configuration changes
• Analyze and resolve complex technical issues involving SIP signaling, call flows, and remote site connectivity.

Qualifications for the Voice Engineer include:

• 2+ years of voice engineering experience
• DoD-8570 IAT Level II certification (Security+ CE or equivalent) required
• Strong knowledge of Secure Real-Time Transport Protocol (SRTP), including G.711, G.729 codecs, and DTMF signaling.
• Hands-on experience with Cisco Unified Communications Manager and/or Avaya Aura soft switches.
• Proven ability to support distributed firewall infrastructure and implement IPSec MPLS VPN solutions.
• Skilled in configuring and troubleshooting BGP routing protocols and QoS for voice and critical application traffic.
• Familiarity with IPSec implementation, encryption standards, and advanced troubleshooting techniques
• Active TS/SCI clearance

Compensation & Benefits for the Voice Engineer include:

• Compensation Range: $25 - $30/hr (depending on experience)
• Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Sick leave as required by law

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