5G RAN Test and Certification Engineer

Full Time United States - Colorado - Englewood Posted 02/17/2021 Areas of interest: Information Technology, Telecom Engineering Requisition Number: 275418BR EWI601
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.

The 5G RAN Test Engineer is responsible for the development and engineering activities supporting 5G RAN technologies. This candidate plays a key role in evaluating new RAN technologies and services prior to the integration and deployment into Charter’s network. The 5G RAN Engineer creates strategic test plans that ensure performance and stability of Wireless products on Charter’s 5G RAN network ensuring the highest levels of customer and operational satisfaction. Technologies you will be supporting including 5G, LTE and Wi-Fi on Android and IOS devices. You will collaborate with RAN Network Architects and Product Development on business and technology requirements and assess vendor solutions to address the requirements. You will work with RAN Network Architects to create detailed test plans and certification curriculums, proof of concept trials, and methodologies for analysis of performance criteria. You will develop test procedures for execution by cross-functional teams of device testers in external labs, oversee the execution of these tests, provide testing status to management, debug software and hardware issues in a lab environment, and work with device vendors to track and resolve issues found during testing.

Skills / Abilities and Knowledge:
Should have excellent knowledge of 5G vRAN NW components as RU, DU, CU and RAN configurations 2/7.x. DOCSIS 3.x, gNB, EMS/OMC, SAS practical handling and issue debugging.

Desired acknowledge of CBSD modems working on CBRS n48 and n78 frequency bands. Fluent on RF main concepts.

Acknowledge about FCC regulations as CPAS for SAS environment.

KPI metrics and system work load calculations on gNB based on N1 and device requirements.

Good acknowledge on concepts as 5G Core NW elements, NW architecture design, NW slicing, NW security, CP and UP routing.

Device Handover scenarios, cell edge and gNB power levels as Cell RF profiling.

Excellent knowledge of 3GPP standards (GSM, UMTS, HSPA, LTE, 5G), 3GPP2 (1xRTT / EVDO) and/or OMA. Also good to have IEEE 802.11 specs and technology acknowledge.

Basic acknowledge on Device DSDS system architecture and eSIM technologies

Experience developing automation utilizing, C, JavaScript and/or Python programming languages.

Experience on 5G cell tower deployment and issue debugging process and tools.

Should have knowledge of various Network adjuncts and services i.e. AAA, Diameter, EAP, PDSN, LTE Data, VoLTE, GRE, Soft GRE, L2TP, CAPWEP.

Experience using system communications emulator equipment and test equipment tools (protocol analyzers, LTE/5G system simulators, Wi-Fi analyzers and packet sniffers and Traffic Generators.).

Understanding and/or experience working with the following is a plus: - DLNA, UPnP, oneM2M architecture - RRC, NAS, SIP, IMS, OSGI, and DHCP.

Experience with testing and Q/A of Layer 1 thru 7 networks

Experience writing and developing detailed test cases and test plans

Experience with network RAN equipment vendors such as Ericsson, Nokia, Samsung, Airspan, Site Survey Planning tools.

Must possess expert skills and experience with desktop operating systems and applications (Windows, MAC, and Unix/Linux).

Strong work ethic with a desire to meet and exceed personal and business goals

Expert level communication, documentation, teamwork skills.

Self-motivated to take ownership of assigned projects and deliverables.

Experienced technical writing skills sufficient to produce white papers, test cases, test plans, design documents, technical diagrams and system automation design.

Ability to work both in a team and independently on assigned projects
Strong documentation, follow-up, communication skills
Learns and adapts to new technologies and methodologies. Must be able to think outside-the-box and exercise innovation.

Ability to work with little supervision to execute highly technical and complex tasks.

Organized with a strong attention to detail.

Possesses strong analytical skills.

Bachelor's Degree in Computer Science, Electrical Engineering, or related field or equivalent work experience
Professional level certification or equivalent work experience:

Related Work Experience Number of Years
3GPP 4G/5G Protocol analysis 5+
5G gNB test/deployment 2+

Office Environment
Network Lab environment

Here, employees don’t just have jobs, they build careers. That’s why we believe in offering a comprehensive pay and benefits package that rewards employees for their contributions to our success, supports all aspects of their well-being, and delivers real value at every stage of life.

The pay for this position has a minimum of $90600. The actual salary offer may be higher as we carefully consider a wide range of factors, including your skills, qualifications, experience and location. Also, certain positions are eligible for additional forms of compensation such as commissions or bonuses.

The health and safety of our employees and candidates is very important to us. Spectrum has adopted virtual mobile recruiting tools that allow us to continue meeting new candidates. We look forward to “virtually” meeting you.

The Spectrum brands (including Spectrum Networks, Spectrum Enterprise and Spectrum Reach) are powered and innovated by Charter Communications. Charter Communications reaffirms its commitment to providing equal opportunities for employment and advancement to qualified employees and applicants. Individuals will be considered for positions for which they meet the minimum qualifications and are able to perform without regard to race, color, gender, age, religion, disability, national origin, veteran status, sexual orientation, gender identity, or any other basis protected by federal, state or local laws.

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