NG911 Telephony SME

Brooklyn, NY - USA

Monthly Salary: Not Disclosed

Posted on: 5 days ago

Vacancies: 1 Vacancy

Job Summary

NG911 Telephony SME
(FULLY ONSITE see below details carefully))

Note: Zoom Call is mandatory with PV please provide Candidates availability for 15 mins call

LinkedIn IS MUST: Candidate must have LinkedIn account

NG911 Telephony SME - Rewritten Job Description

Assignment Title: NG911 Telephony SME
Location: Fully On-Site - 2 MetroTech Center Brooklyn NY 11201

Scope of Services: The NG911 Telephony SME will serve as the subject matter expert responsible for managing validating and ensuring the successful delivery of all telephony-related components within the NG9-1-1 system implementation. This role requires deep expertise in SIP-based emergency services architectures call-flow validation interoperability testing and vendor/carrier coordination.

Key responsibilities include:

Oversee execution and delivery of all telephony functions within the NG9-1-1 program.
Ensure telephony policies procedures standards and best practices are adhered to throughout the system lifecycle.
Validate telephony configurations and integration points during implementation.
Develop telephony test cases for SAT (System Acceptance Testing) and SIT (System Integration Testing).
Identify and mitigate risks related to telephony interoperability within the NG9-1-1 ecosystem.
Validate SAT/SIT results for telephony components by comparing test outcomes with signaling flows and architectural designs.

Mandatory Skills & Experience

(Candidates without ALL mandatory skills will not be considered.)

Minimum 15 years of technical experience with enterprise telephony NG911 systems or related platforms.
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 diagnose and resolve interoperability signaling and audio quality issues.
Support testing troubleshooting and cutovers for critical voice infrastructure.
Design and validate call-routing workflows aligned with NENA STA-010 STA-012 and STA-019 standards.
Configure and analyze SIP messaging SDP negotiation SIP trunk performance and SBC/gateway behaviors.
Maintain routing mappings for ESRP BCF and CHS across voice text and multimedia call paths.
Ensure proper implementation of ECRF/LVF for location-based dispatch routing.
Collaborate with network and integration engineers to validate ESiNET QoS DSCP tagging and failover routing strategies.
Validate connectivity for private IP trunk services with carriers.
Support redundancy failover and performance testing between PSAC I PSAC II and NGCS vendor data centers.
Analyze SIP traces CDRs packet captures to verify system behavior under load and failover conditions.
Work with the Lead Test Engineer to build detailed test scripts and call-flow verification plans to ensure production readiness.
Desirable Skills & Experience

Excellent communication skills technical writing ability and interpersonal skills.
Experience working in public safety environments or PSAP operations.
Expertise in IP voice architecture auditing monitoring and performance tuning.
Familiarity with logging and recording technologies for both legacy and IP-based PBXs.

Ability to collaborate effectively with internal teams external vendors and cross-functional engineering groups

NG911 Telephony SME (FULLY ONSITE see below details carefully)) Note: Zoom Call is mandatory with PV please provide Candidates availability for 15 mins call LinkedIn IS MUST: Candidate must have LinkedIn account NG911 Telephony SME - Rewritten Job Description Assignment Title: NG911 Telep...