Unified Communications Operational Engineer ( R-00066592 )
Global Information Grid (GIG) Service Management-Operations (GSM-O), a Defense Group of Leidos has an opening for a Unified Communications (UC) engineer. Our customer is the Defense Information Systems Agency (DISA) located at Pearl Harbor, HI and acts as the provider of GIG/Defense Information System Network (DISN) services to the department of Defense (DoD) and national security organizations.
Developing/designing communication systems and documents.
Support maintaining a large, complex and highly resilient IP voice and video communications infrastructure.
Manage, configure, 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.
Additional Duties and Responsibilities:
Develop technical policy and work instructions and reporting in support of an enterprise IP telephony network.
Resolve complex technical problems utilizing foundational knowledge of SIP signaling and call-flows.
Test 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.
Manage and configure voice subscribers, call handlers and call routing rules.
Manage and configure Cisco and or Juniper routing and switching rules.
Requires BS degree and 2-4 years of prior relevant experience. Specific experience, education and training may be considered in lieu of degree.
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
Demonstrable experience of advanced troubleshooting to isolate and diagnose network problems for routing, switching, security and large scale voice implementations.
DoD 8570 IAT II (Security+)
Currently possess an active Secret security clearance.
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.