Telephony Subject Matter Expert; SME

Position Details

Job Title: NG911 Telephony Subject Matter Expert (SME)

Assignment

Title:

A – MWBE NG911 Telephony SME

Labor Category: Specialist 3

Location: 2 Metro Tech Center, Brooklyn, NY 11201

Work Type: On-Site (Hybrid/Remote as required)

Schedule: Monday–Friday, 9:00 AM–5:00 PM ET (35 hours/week)

Start Date: December 29, 2025

End Date: November 30, 2026

Total

Hours:

1820

Maximum Hourly Rate: $191.51

The NG911 Telephony Subject Matter Expert (SME) will provide expert-level guidance and technical oversight for the Class 1/2/3 and Call Handling upgrades within the Next Generation 9-1-1 emergency call system. This role ensures that all telephony components meet industry standards, operate reliably, and align with project requirements throughout configuration, integration, and testing phases.

The SME will oversee system implementation, validate telephony configurations, support testing cycles, and ensure system behavior aligns with architectural and operational expectations.

The NG911 Telephony SME will be responsible for:

• Managing and overseeing all telephony components of the NG9-1-1 system implementation.
• Ensuring compliance with policies, procedures, and best practices for telephony systems.
• Validating telephony configurations during implementation.
• Creating and providing test cases for SAT and SIT.
• Identifying risks associated with telephony integrations.
• Validating SAT and SIT results, reviewing system flows, and ensuring expected system behavior.
• Supporting testing, troubleshooting, and cutover events for critical voice infrastructure.

Candidates must meet all mandatory requirements:

• Minimum 12 years of experience in relevant technical or business applications, platforms, or methodologies.
• Ability to develop and maintain call-flow diagrams, signaling validation scripts, and interoperability matrices across PSAC I, PSAC II, and vendor sites.
• Experience collaborating with vendors such as MSCI, Motorola, NICE, Cisco, and telecom carriers to resolve interoperability, signaling, and audio quality issues.
• Strong background in testing, troubleshooting, and participating in cutover events involving voice infrastructure.
• Expertise in designing and validating call routing workflows based on NENA STA-010, STA-012, STA-019 standards.
• Proficiency in configuring and analyzing SIP messages
  , SDP negotiation
  , and trunk performance across SBCs/gateways.
• Knowledge of mappings between ESRP, BCF, and CHS components for voice, text, and multimedia calls.
• Experience ensuring accurate implementation of ECRF/LVF for location-based routing.
• Ability to work with network/integration engineers on ESiNET QoS
  , DSCP tagging
  , and failover routing.
• Experience validating carrier connectivity for private IP trunk services.
• Ability to support redundancy testing and performance benchmarking across PSAC I, PSAC II, and NGCS data centers.
• Skilled in analyzing SIP traces, CDRs, packet captures to validate system behavior under load/failover.
• Experience collaborating with test engineers to develop test scripts and verification plans for production readiness.
• Strong communication, business writing, and interpersonal skills.
• Knowledge of public safety and emergency services operational environments.
• Experience with IP voice design, management, auditing, and monitoring.
• Familiarity with logging and recording technologies for legacy and IP PBX systems.
• Ability to collaborate effectively with both internal teams and external partners across multiple service areas.

• No special requirements specified.
• Ability to come on-site as needed, even if working hybrid/remote.

Compensation: $110.00 per hour

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