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Principal Wireless Engineer I ? 5G Core

Company: SPECTRUM
Location: Castle Rock
Posted on: October 11, 2020

Job Description:

Company Overview:

Charter Communications is America?s fastest growing TV, internet and voice company. We?re committed to integrating the highest quality service with superior entertainment and communications products. Charter is at the intersection of technology and entertainment, facilitating essential communications that connect 24 million residential and business customers in 41 states. Our commitment to serving customers and exceeding their expectations is the bedrock of Charter?s business strategy and it?s the philosophy that guides our 90,000 employees.

JOB SUMMARY

Lead Individual contributor who responsible for the integration testing of 5G CBSD EPC Mobile/Fixed Wireless Core network. Responsible for setting up 5G System Integration testing lab, perform and certify 5G E2E CBSD EPC core functionality and certify core elements in Charter?s network. Develop test strategy, test plans that ensure standards conformance, performance and stability of Wireless EPC products in Charter?s network ensuring the highest levels of customer and operational satisfaction. Technologies include, 4G/5G CBSD Mobile Core (RRU, DU/CU, S/PGW, AUSF/AAA, MME, PCRF, HSS, SP-GW), Routers, Gateways, Service Provider Wi-Fi networks, and many other new technologies developed by key standards and committees. Through understanding of 3GPP LTE and 5G interface standards, Docker container orchestration via Kubernetes. Collaborate with Network Architects and Product Development on business and technology requirements and assess vendor solutions to address the requirements. He/she works with technical operations members on system design, configuration, and occasional training or escalations. This role is recognized as the technical and design expert who can lead peer level and lower level technical staff.

ESSENTIAL FUNCTIONS OF THE POSITION

Actively and consistently support all efforts to simplify and enhance the customer experience

Validate and Certify Designs and implementation guides,MOPs, monitors and troubleshoot 5G CBSD EPC core network elements.

Knowledgeable in LTE Core interfaces (S1, S5, S10, S11, Gx, Gy, Ga etc.) and Call Processing testing with LTE EPC networks and 5G Core Interfaces (N1, N2, N3) with Core NW debugging experience on NSA and SA configurations.

Experience in handling 5G RAN components such as RRU, DU/CU for vRAN configuration.

Thorough understanding & Hands-on experience on 4G/5G Core Network Elements Testing like MME, S/P GW / AMF, UPF, AUSF/ AAA.

Well known CBRS spectrum frequency and FFC requirements (3.5GHz).

LTE/5G eNB/gNB Modem/Smallcell functional and E2E integration testing that could impact the business and/or the customer.

Provides a high level of Engineering Technical support and guidance to operational personnel and ensure all technical integration, changes, standards and documentation requirements are met.

Mentors and guides the work of senior technical staff.

Reviews test plans, designs and advises on improvements.

Plan and build test lab environments for functionality and performance testing.

Adhere to industry specific local, state, and federal regulations, as applicable.

Know, understand and follow company policy.

Perform other duties as requested by manager.

Enhance testing methods and develop test automation tools and framework.

PREFERRED QUALIFICATIONS

Skills / Abilities and Knowledge

Experience in 4G/5G Core Network Architecture and interfaces. Should have excellent knowledge in Design & Troubleshoot 4G/5G Mobile Wireless core Networks, LTE/5G eNB/gNB Modem/Smallcell functional and integration testing.

Must have experience in deploying Docker container orchestration via Kubernetes.

Knowledgeable in LTE Core interfaces (S1, S5, S10, S11, Gx, Gy, Ga etc.) and performing Call Processing testing with LTE EPC and 5G Core Interfaces (N1, N2, N3) with Core NW debugging experience on NSA and SA configurations.

Experience in 5G RAN components as RRU, DU/CU for vRAN configuration. Thorough understanding & Hands-on experience on 4G/5G Core Network Elements Testing like MME, S/P GW / AMF, UPF, AUSF/ AAA.

Well known CBRS spectrum frequency and FFC requirements (3.5GHz).

Automate test cases to cover Functional and Non-Functional and Regression test cases using automation framework.

Able to prepare 4G/5G Core test strategy, test plan and test execution of new network uses cases.

IP package routing, NW logging tools and debugging capabilities

Build Docker containers platforms optimization utilizing Kubernetes.

Must have excellent problem solving, debugging and trouble shooting.

Actively and consistently support all efforts to simplify and enhance the customer experience

Must have excellent knowledge with common LINUX operating systems and Python scripting. Knowledge in evaluating Network System Load and Performance tests.

Must have knowledge of various Network adjuncts and services i.e. AAA, RADIUS, Diameter, EAP, LTE, 5G, VoLTE, GRE, Soft GRE, L2TP. Experience using protocol communications test equipment and tools (protocol analyzers, LTE system simulators, analyzers and packet sniffers).

Must have knowledge of PCEF & PCRF architectures and standard practices.

Candidate needs to be skilled in the writing of technical test plans based on business requirements and detailed design documents. Outstanding interpersonal skills, oral and written communications skills, and advanced presentation skills.

Education

Masters or Bachelor's Degree in Engineering and related field experience

Industry and vendor specific certifications and training preferred.

Related Work Experience

10+ years of engineering work experience

WORKING CONDITIONS

Office Environment

Keywords: SPECTRUM, Castle Rock , Principal Wireless Engineer I ? 5G Core, Other , Castle Rock, Colorado

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