Job Description :
Telecom Architect w/some messaging experience
Duration: 12 months+
Locations are either Bellevue, Washington or Atlanta, GA

Posting Summary:

Senior Architect/Developer with broad array of Telecom knowledge in Network Messaging, Client-Server Models, Server-to-Server Models, Cloud Architecture, Networking, Security, and Federal Regulatory Compliance. Ability to create complete end-to-end architecture design, addressing call flows, high availability, geo-diversity/redundancy, fault tolerance, etc.

Familiarity with any of the following:

messaging network solution (SMSC/OMG/SAR, MMSC, CPM)
Common Provisioning Service (CPS)
Common Notification Service (CNS)
Messages Service Integration Platform (MSIP)

Working knowledge of Android OS, APKs, debugging and tracing facilities.

Experience with IP Multimedia Subsystem (IMS) and related protocols (SIP, MSRP)

Experience with and Strong Knowledge of Messaging Protocols: SMPP, MM1, MM4, MM7, WAP, PAP, RCS Messaging (Pager Message Mode, Large Message Mode, File Transfer, and Chat)

Knowledge of the Android OS to ability to support client developers, along with ability to capture debug logs, traces, etc. to support troubleshooting

Strong ability to perform end-to-end cross-system troubleshooting of issues using various tools (e.g., Wireshark) to capture network traces (PCAP) and system logs, with ability to analyze the composite data to determine the root cause of the issue to then define the needed solution.

Strong knowledge of secure communications using VPN, TLS, SSL, etc. In addition, strong knowledge of authorization and authentication protocols and solutions

Strong knowledge of Converged IP Messaging (CPM) and related RCS Specifications

Strong knowledge of OMA Network Message Store (NMS)

Strong Knowledge and Experience with Regulatory Compliance requirements and solutions for CALEA (Live Communications Intercept) and Stored Communications Act/Telecommunications Act (Preservation and Reporting of communications Knowledge of Law Enforcement Agency (LEA) Systems and Protocols (JSTD, ATIS 1000013)

Familiar with SS8 Xcipio Intercept System and systems using it (PDDF, CDDF, IDDF)

Familiar with AT&T Regulatory Compliance systems (FELIX, ELEAT, Voltage)

Ability to perform complex traffic engineering modeling of the system performance and its capacity based on engineering parameters and applying subscriber forecasts (out to 6 years

Strong knowledge of defining and designing RESTful service based platforms.


Network Messaging Interfaces/Specifications Knowledge: as many of these as possible

SMS (SMPP),MMS (MM1, MM4, MM7),WAP/PAP
RCS Messaging including Standalone Messaging (Paper mode, Large mode), File Transfer and Chat Messaging
OMA Message Send and Chat
CPM Message Store, Network Message Store (NMS), Enhanced Visual Voicemail (EVVM) Store

Notifications Interfaces/Specifications Knowledge: as many of these as possible

OMA NMS Notification Subscriptions Specifications,SMPP (Binary Notifications),WAP Push,OMA Notification Channel,OMA Long Poll Notifications,OMA Webhooks Notifications, Google Cloud Messaging (GCM) Push Notifications,Apple Push Notification Service (APNS),Event Driven Architecture (EDA)

Device Client Integration Knowledge/Skills: as many of these as possible

Strong knowledge of the different Android OS releases (Lollipop, KitKat, etc, Linux, and experience in developing Android apps
Strong App integration of HTTP RESTful interfaces, error handling, etc.
Strong experience in Mobile device app knowledge (Optimization, Traffic, Battery, Security, Debugging, etc
Deep knowledge and experience using ADB and LogCat, and ability to read variety of logs (Device Logs, PCAP, Network, Charles Proxy, etc
Knowledge of Databases, SQL, etc.
Knowledge and experience with Mobile Device optimization (i.e., Optimization, Traffic, Battery, Security, Production Debugging, etc
GCM Notification Service
SMPP (Binary Notifications)
Familiarity w/ Flashing/Rooting Android Devices, and Mobile Handset Testing and Automation

Standards Specifications Knowledge: as many of these as possible

Well versed with RCS, OMA and 3GPP specifications and standards
Detailed knowledge of Messaging protocols and associated network elements such as SMSC/MMSC/CPM/NMS/EVVM/WAP
Experience with Authorization/Authentication as well as Security protocols
Experience with notification services and protocols - Google Cloud Messaging (GCM), Apple Push Notification Service (APNS) and Windows Push Notification Services (WNS
GSMA Rich Communication Services (RCS)
OMA RESTful Network API for Network Message Storage
OMA Converged IP Messaging


Client : NA

             

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