5G RAN Test and Certification Engineer
Posted on: May 6, 2021
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
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
Device Handover scenarios, cell edge and gNB power levels as Cell
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
Python programming languages.
Experience on 5G cell tower deployment and issue debugging process
Should have knowledge of various Network adjuncts and services i.e.
AAA, Diameter, EAP, PDSN, LTE Data, VoLTE, GRE, Soft GRE, L2TP,
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,
Experience with testing and Q/A of Layer 1 thru 7 networks
Experience writing and developing detailed test cases and test
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
Expert level communication, documentation, teamwork skills.
Self-motivated to take ownership of assigned projects and
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
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
RAN NW 7+
3GPP 4G/5G Protocol analysis 5+
5G gNB test/deployment 2+
Network Lab environment
Salaries depend on geography, experience, and education;
negotiations begin at $90600
For more information on Spectrum's benefits, please click .
Keywords: SPECTRUM, Denver , 5G RAN Test and Certification Engineer, IT / Software / Systems , Englewood, Colorado
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