Communication skills are important.
Ability to make recommendation to other team members leadership skills are needed
RU (Radio Unit) Interoperability Engineer Littleton/Denver, Colorado
seeking an Interoperability Engineer to be responsible for working directly with our customer, 3rd parties, and internal development, product, and services teams in the development of applicable test cases and processes to ensure industry standards (oRAN/3GPP) and customer requirements are met. Work with internal and external resources to execute design and validation of product with other vendor's products. Define and conduct detailed integration test plans with the Company, partner, and customer resources. Hands-on work in Comoany, customer, or partner's test facilities. Develop integration Customer Acceptance Test Plans and execution of same.
Technical Experience:
Lead Software, Hardware and Firmware integration for LTE and 5G NR RAN
Extensive experience troubleshooting (system logs, OS logs, UE logs, network logs)
End to End Open RAN Integration Knowledge is required
Familiarity with over-the-air testing of LTE, LTE-A, 5G NR, CPE and UE
Understanding of 3GPP standards, call flows, KPIs
Deep knowledge of BBU (L1, L2 and L3) signaling protocols
Ability to provide a detailed analysis of NE logs and subscriber traces to pinpoint and resolve issues, including network troubleshooting of layer 2 and 3
Fronthaul Interfaces: CPRI, eCPRI, RoE and IEEE 1914 and xRAN/oRAN (option 7.2 x) knowledge
Wireless Standards/Organizations: 3GPP, IETF, ONAP, LTE, 5G NR and 802.11 protocols
Thorough understanding of vRAN/ORAN architecture describedin 3GPP standards (Rel 15 & 16)
Provide ongoing technical deliverables, i.e. customer reports, RFx inputs, test cases, solution descriptions, network diagrams and solution reports.
Responsible for the technical assurance of the overall wireless solution as it goes through technical scrutiny, performance evaluation, IOT, OSS Integration and FOA testing
Development life-cycle process knowledge
Experience with RAN products including cloud RAN, Software-defined networking, massive MIMO, 5G macros and small cell deployments
Knowledge of PHY and MAC Layer and Embedded software
Antenna design, beamforming and interference mitigation for 5G/4G is a plus
Core experience: EPC and 5G NG Cores
Network integration of RAN into mobile operator's experience is required
Network Protocols: TCP/IP, UDP/IP and HTTP
Software: Audit, Qualify and Evaluation of 3rd party software features and applications
Testing: Design integration test plans for lab and field
Test tools: Must have worked with an array of test equipment and tools
Processes: familiar with engineering design process (design reviews, documentation, performance analysis and defect analysis)
Software Development Processes: familiar with Waterfall, Agile and Scrum (Iterative)
Familiar with NFV, Software virtualization, Virtual machines, containers and VNF's
Overall system performance verification is required
Qualifications:
Required to be based in Littleton, CO
Bachelor's degree in Electrical, Electronics, Computer Science or Telecommunications Engineering (Masters or PHD will be favorable)
MS Degree in EE or CS or equivalent
Ten years of experience in Radio Access Network (RAN) systems or combined experience
Minimum of 7 to 10 years of LTE, 5G and network architecture specifically focused on RAN systems
Minimum 7 to 10 years with protocol analyzers, test tools such as XCAL, QXDM, Wireshark, Channel Emulator, Spectrum Analyzers, Signal Generators is a plus.
Direct hands-on product experience and knowledge working with Service Providers and Engineering for 5G, ORAN, vRAN, Cloud RAN and LTE solutions
Strong knowledge in LTE Air Interface, PHY, MAC, RLC, RRC and PDCP layers is required
Ability to provide knowledge transfer and knowledge sharing to internal teams and colleagues
Ability to quickly grasp and adapt to new technologies and methodologies
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