Scope Of Services

OTI - Telephony NENA SME

• Ensure the National Emergency Number Association (NENA) and Association of Public Safety Communication Officials (APCO) standards are being met during the implementation of NG9-1-1.
• Translate the business needs into clearly defined and detailed requirements or user stories and spearhead the priorities and validation of these requirements with the project teams.
• Conduct stakeholder analysis for requirements elicitation.
• Planning elicitation tasks and activities as well as creating elicitation timelines.
• Review and assess the adequacy of Call Handling requirements used by NYC.
• Engage with public safety and stakeholder agencies to understand their needs, issues, and concerns.
• Incorporate applicable federal, state and professional organizations’ standards and guidelines for a NG9-1-1 system.

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.