Voice & UC Network Engineer II — SIP, QoS & Firewalls

RMantra Solutions Inc.; Tampa (FL); Hybrid; USD 110.000 - 140.000; Vollzeit

Zusammenfassung

RMantra Solutions seeks an experienced IP Telephony Engineer to maintain a large, resilient IP voice and video network in a DoD environment. You will manage, configure, troubleshoot, and assure service for voice, video, and data networks, with emphasis on SIP signaling and advanced fault analysis.

You will configure calling routes, partitions, and device profiles across Cisco, Avaya, and Oracle platforms, and contribute to policy and reporting for enterprise telephony.

Qualifikationen

• BS degree with 2–4 years of relevant experience, or Master's with less than 2 years.
• DoD 8750 / IAT Level II, Security+ CE, or equivalent.
• Active Secret security clearance.
• Experience with Cisco, Avaya, or Oracle voice platforms.

Aufgaben

• Maintain a large, complex IP voice/video infrastructure.
• Configure, troubleshoot, and support voice, video, and data networks.
• Configure and implement calling search spaces, route plans, route partitions, and device profiles.
• Perform fault analysis and resolve SIP signaling or routing issues.
• Contribute to technical policy and reporting for enterprise IP telephony.

Kenntnisse

SIP signaling

Fault analysis

Network troubleshooting

VoIP expertise

Documentation

Ausbildung

BS degree in a relevant field

Master's degree

Tools

CUCM

Cisco Unity

CUBE

Oracle SBC

Avaya Aura Application Server

Jobbeschreibung

• 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.
• Experience with one or multiple Cisco, Avaya or Oracle voice platforms including Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura Application Server.
• Expertise in SIP internetworking signaling and call flow.
• Demonstrable experience of advanced fault analysis to isolate and diagnose network problems for routing, switching, security and large scale voice implementations.
• 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 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.)

Join a dynamic team where your ideas matter and your career thrives.