1+ months

Senior Member of Technical Staff 5G Architecture

Atlanta, GA 30309
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Work on the design and architecture of Policy & Charging function in 4G & 5G Mobility Core Network. Perform LAB activities related to the delivery and certification of the software throughout the LAB cycles and contribute towards the design of the feature Roadmap of the platform.


Hands-on work on Policy Platforms in Mobility Core Network including deployments and configuration, testing and troubleshooting, data collection and all other LAB activities. This person will also be involved in designing and validating Policy and Network API Exposure call flows to support IOT and Enterprise use cases.


Duties Include:


+ Deployment of Policy and Charging Function software on AT&T Network Cloud.

+ Deployment of Network Exposure Function software on Azure Cloud.

+ Work with service architects and ideate flexible policy solutions that enable the realization of various services and product offerings for Consumer, Enterprise and FirstNet communities. Understand and contribute towards the design of policy and charging control implementation aspects that adhere to 3GPP standards.

+ Create detailed and specific call flows illustrating solution and implementation with sufficient information for test object list creation and validation of PCRF and PCF behavior.

+ Provide requirements and guidance to suppliers and vendors of PCF and PCRF for feature development and 3GPP compliance that aligns with AT&T strategic roadmap and deployment timelines. Collaborate with platform owners of adjacent network functions to ensure end-to-end viability and feasibility of solution design.

+ Drive the operational, resiliency and security requirements of the platform and work with Operations and Engineering teams towards production rollout of software releases.


**Education:**


Bachelors Degree in technical discipline with 4+ years of technical experience.


**Required Qualifications:**


+ The successful candidate will be able to demonstrate advanced understanding of 3GPP specifications, with a particular emphasis on 5G Systems and Architecture [Stage 2 (Technical Realization, Procedures and Network Function Services, e.g., TS23.501, 23.502 and 23.503)] and 5G Core Network Signaling Flows, SBA and Data Models [Stage 3 (e.g., TS-29.512, 29.513, 29.514, 29.519, 29.594)].

+ Hands-on experience on Policy Platforms in Mobility Core Network including deployments and configuration, testing and troubleshooting, data collection and all other LAB activities.

+ Proficiency in interpreting diameter messaging and forensic analysis of packet captures over Gx, Sp, Rx and Sd using Wireshark is highly desired.

+ Experience with deploying Cloud native applications on Public or Private Cloud.

+ Expertise with Unix/Linux based systems and programming/scripting languages like python, Java and shell scripting.

+ Working experience of UML and call flow modeling tools (e.g., WebSequenceDiagram) is mandatory.

+ Background and hands-on experience with Evolved Packet Core (EPC) network functions is highly desirable as a foundation for new, improved and evolved service implementations in 5GC including PCF interactions with AMF, SMF, CHF, UDR, NEF and trusted AFs.

+ Must possess and demonstrate excellent verbal communication and technical writing skills.

+ Experience with deploying Cloud native applications on Azure and experience with Azure DevOPs tools

+ Experience with deployment and test automation tools like Ansible etc.

+ General knowledge of software development practices.

+ Proficiency in standard Microsoft Office products is expected, while mastery of advanced techniques and Office features is highly beneficial.
We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status.
Posted: 2021-11-01 Expires: 2022-01-28
Sponsored by:
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Senior Member of Technical Staff 5G Architecture

AT&T
Atlanta, GA 30309

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