Description
We are seeking an Enterprise Voice Engineer to support the Defense Information Systems Agency (DISA) and the Department of Defense (DoD). The successful candidate will perform sustainment, maintenance, problem, and change management services to ensure secure, reliable, and uninterrupted availability of DISA Voice Services.
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.
- 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.
- Develop 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.
- 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.
- Experience with one or multiple Cisco, Avaya, or Oracle voice platforms.
- Expertise in SIP internetworking signaling and call flow.
- Demonstrable experience of advanced fault analysis to isolate and diagnose network problems.
- Currently possess an active Secret security clearance.
Preferred Qualifications:
- Working knowledge of Secure Real-Time Transport Protocol (SRTP).
- 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.
- Familiarity with IPSec implementation and troubleshooting.
Requirements:
- BS and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience.