| SCOPE OF SERVICESNG911 Telephony SME · Manage and oversee the execution and delivery of all aspects of the telephony components of the NG9-1-1 system. · Ensure policies, procedures, and best practices for telephony systems are being met throughout the implementation of the NG9-1-1 system. · Validate telephony configurations during the NG9-1-1 system implementation. · Provide test cases for SAT and SIT; continue to identify risks associated with telephony integrations with the NG9-1-1 system. · Validate test results for telephony components of the NG9-1-1 system during SAT and SIT, review applicable architectural flows, and compare with raw test results to ensure the system behaves as expected. | | MANDATORY SKILLS/EXPERIENCE Note: Candidates who do not have the mandatory skills will not be considered | | · Minimum 12 years of experience in a particular technical and/or business application, product, platform, or methodology. · Develop and maintain call-flow diagrams, signaling validation scripts, and interoperability matrices across PSAC I, PSAC II, and vendor sites. · Collaborate with MSCI, Motorola, NICE, Cisco, and telecom carriers to resolve interoperability, signaling, and audio quality issues. · Support testing, troubleshooting, and cutover events involving critical voice infrastructure. | · Design and validate call routing workflows per NENA STA-010, STA-012, and STA-019 standards. · Configure and analyze SIP messages, SDP negotiation, and trunk performance across SBCs and gateways. · Maintain mappings between ESRP, BCF, and CHS components for voice, text, and multimedia calls. · Ensure correct implementation of ECRF/LVF call routing functions for location-based dispatching. · Work with network and integration engineers to ensure ESiNET-level QoS, DSCP tagging, and failover routing. · Validate carrier connectivity for private IP trunk services. · Support call path redundancy testing and performance benchmarking between PSAC I, PSAC II, and NGCS vendor data centers. · Analyze SIP traces, CDRs, and packet captures to validate system behavior under load and failover. · Collaborate with the Lead Test Engineer to develop test scripts and call-flow verification plans for production readiness. | | | | | DESIRABLE SKILLS/EXPERIENCE: | Excellent communication and clear business writing skills as well as interpersonal skills. | Knowledge of public safety environments | Design skills in IP voice management, auditing, and monitoring. | Knowledge of Logging and Recording technologies and techniques for legacy and IP PBX’s. | Industry experience to interact fluently w/ both internal and external partner organizations across variety of services and troubleshooting sessions.