| Job Summary: This request is for a NG911 Subject Matter Expert (SME) needed to continue the project work for the Class 1/2/3 and Call Handling upgrades of the Next Generation 9-1-1 emergency call system and provide expertise and technical knowledge during the configuration, and test phases.
SCOPE OF SERVICES
NG911 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 - 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.
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