Senior NG911 Telephony Engineer - NENA Standards & Interoperability SME

• Ensure NENA and APCO standards are met during the NG9-1-1 implementation.
• Turn business needs into detailed requirements or user stories, and lead prioritization and validation with the project teams.
• Conduct stakeholder analysis for requirements elicitation.
• Plan elicitation tasks, activities and timelines.
• Review and assess the adequacy of NYC’s Call Handling requirements.
• Engage public safety and stakeholder agencies on their needs, issues and concerns.
• Incorporate applicable federal, state and professional-organization standards and guidelines for NG911.

Mandatory skills/experience (candidates without these won’t be considered)

• Minimum 12 years of experience in a 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.
• Work with MSCI, Client, NICE, Cisco and telecom carriers to resolve interoperability, signaling and audio-quality issues.
• Support testing, troubleshooting and cutover events for critical voice infrastructure.
• Design and validate call routing workflows per NENA STA-010, STA-012 and STA-019.
• Configure and analyze SIP messages, SDP negotiation and trunk performance across Clients and gateways.
• Maintain mappings between ESRP, BCF and CHS components for voice, text and multimedia calls.
• Ensure correct ECRF/LVF call routing for location-based dispatching.
• Work with network and integration engineers on 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 behavior under load and failover.
• Work with the Lead Test Engineer on test scripts and call-flow verification plans for production readiness.

• Excellent business writing, communication and interpersonal skills.
• Knowledge of public safety environments.
• Design skills in IP voice management, auditing and monitoring.
• Knowledge of logging and recording technologies for legacy and IP PBXs.
• Experience working with internal and external partner organizations across services and troubleshooting sessions.

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