GVR Infotek LLC
NG911 Subject Matter Expert (SME) – responsible for the Class 1/2/3 and Call Handling upgrades of the Next Generation 9‑1‑1 emergency call system and providing technical expertise during configuration and testing phases.
Responsibilities
Manage and oversee the execution and delivery of all telephony components of the NG9‑1‑1 system.
Ensure policies, procedures, and best practices for telephony systems are met throughout implementation.
Validate telephony configurations during the NG9‑1‑1 implementation.
Provide test cases for SAT and SIT; identify risks associated with telephony integrations.
Validate test results for telephony components during SAT and SIT, review architectural flows, and compare raw results to ensure expected system behavior.
Mandatory Skills / Experience
Minimum 12 years of experience in a technical 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 ESI NET‑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 systems.
Industry experience interacting with internal and external partner organizations across a variety of services and troubleshooting sessions.
Special Requirements N/A
Location & Employment Work Location: On‑site with hybrid options (X days office / X days remote). Remote days: Monday‑Friday, 9‑5 ET; ability to come on‑site as required.
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Responsibilities
Manage and oversee the execution and delivery of all telephony components of the NG9‑1‑1 system.
Ensure policies, procedures, and best practices for telephony systems are met throughout implementation.
Validate telephony configurations during the NG9‑1‑1 implementation.
Provide test cases for SAT and SIT; identify risks associated with telephony integrations.
Validate test results for telephony components during SAT and SIT, review architectural flows, and compare raw results to ensure expected system behavior.
Mandatory Skills / Experience
Minimum 12 years of experience in a technical 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 ESI NET‑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 systems.
Industry experience interacting with internal and external partner organizations across a variety of services and troubleshooting sessions.
Special Requirements N/A
Location & Employment Work Location: On‑site with hybrid options (X days office / X days remote). Remote days: Monday‑Friday, 9‑5 ET; ability to come on‑site as required.
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