Enterprise Voice Engineer II with Security Clearance

RMantra Solutions; Scott Air Force Base (IL); On-site; USD 85,000 - 120,000; Full time

Job summary

RMantra Solutions is seeking a skilled IP communications engineer to maintain and enhance a large, resilient voice and video network for a DoD-related environment.

The role involves configuring call routing, device profiles, and security policies, while documenting changes and supporting diverse telephony platforms.

Qualifications

• Requires DoD 8750 IAT level II, Security+ CE or equivalent.
• Active Secret clearance is required.
• Experience with SRTP, G.711/G.729 codecs and DTMF is preferred.

Responsibilities

• Maintain a large IP voice/video infrastructure; document configurations and changes.
• Configure and troubleshoot voice, video and data networks; manage route plans and device profiles.
• Support Cisco/Juniper routing and switching; ensure firewall and security policy alignment.

Skills

SIP signaling

Call routing

Troubleshooting

Documentation

Education

BS degree

Tools

Cisco Unified Communications Manager

Avaya Aura

Oracle SBCs

IP telephony hardware

Job description

Primary Responsibilities * Perform engineering tasks to maintain a large, complex and highly resilient IP voice and video communications infrastructure.

• Manage, configure, troubleshoot and assure service supporting all aspects of a voice, video and data network. Must be organized, document oriented, possess skills in diagramming, and understand WAN principals.


• Perform system maintenance, support capacity planning activities and complete configuration change actions and documentation efforts.


• Configure and implement calling search spaces, route plans, route partitions, route lists and device profiles.


• Configure Cisco or Juniper routing and switching devices.


• Support distributed firewall infrastructure.


• Provide input in the development of technical policy, work instructions and reporting in support of an enterprise IP telephony network.


• Analyze and resolve complex technical problems utilizing foundational knowledge of SIP signaling and call-flows.


• Analyze and resolve remote site registration, signaling and media problems.


• Configure route plans, route lists, device profiles, calling search spaces, and route partitions.


• Validate change requests and ensure accuracy.


• Perform fault analysis and configuration of voice subscribers, call handlers and call routing rules.


• Perform fault analysis and configuration of Cisco and or Juniper routing and switching rules.

Basic Qualifications

• Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement.


• Currently possess an active Secret security clearance.

Preferred Qualifications

• Working knowledge of Secure Real-Time Transport Protocol (SRTP) including associated G.711 and G.729 codecs and Digital Tone Multi Frequency (DTMF).


• Experience with Cisco Unified Communications Manager and or Avaya Aura soft switches.


• Experience with Oracle SBCs and other voice media gateway appliances.


• Experience supporting distributed firewall infrastructure.


• Experience creating/supporting IPSec MPLS VPN infrastructure.


• Experience implementing and supporting BGP routing protocols.


• Experience designing, configuring and troubleshooting QoS classification, marking and prioritization of network traffic (voice, critical applications, etc.).


• Familiarity with IPSec implementation and troubleshooting.

Required Education and Experience

Requires BS degree and 2-4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience. (Or equivalent combination of education and/or experience.)