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4G/5G Call Processing RAN Tier3 Engineer Telecom – Network Engineer

Orchestra Technology

This is a Full-time position in Plano, TX posted April 12, 2021.

nnEssential Duties and Responsibilities:nn nn
•    Responsible for troubleshooting and issue resolution in Client 4G and 5G products to ensure all customer tickets are addressed in pre-defined SLAs.nn nn
•    Responsible for end-to-end performance assurance to ensure company’s 4G and 5G products (DU, RU, CU and AU) are fully compliant with customer’s network design.nn nn
•    Conduct trials and tune parameters to improve the overall network performance and propose optimized parameters and present to customer and other groups with detailed reports.nn nn
•    Issue resolution in multi-vendor deployment across numerous interfaces, including Open CPRI (ORAN), S1-MME and S1-U IOT with incumbent EPC vendors.nn nn
•    Evaluate the network performance by trending and analyzing key KPIs.nn nn
•    Conduct deep-dive customer sessions for RCA reviews.nn nn
•    Collaborate with HQ development and other teams to ensure issue resolution, customer product requirements and/or performance compliance.nn nn
•    Present technical and non-technical ideas in a logical, compelling manner in a written format and verbally in both small and large group settings.nn nn
•    Responsible for leading all technical discussions on Client products/scheduler related features with several customer vertical organization including 4G/5G RAN Development groups and RAN performance groups.nn nn
•    Author technical proposals, Technical research and white papers, Operator network design.nn nn
•    Ensures that customer commitments are achieved according to plan.nn nn
•    Works closely with various support organizations, logistics, and cross-functional teams from SEA and Client HQ to achieve network performance.nn nn n nn nnBackground/Experience required:nn nn
•    Undergraduate Degree in engineering with 8-10 years of directly related experience is required.

A Masters with 8+ years of experience is preferrednn nn
•    Must have 4G/5G Call Processing experience with In depth knowledge of RRC, S1-MME, S1-U, X2, RLC, MAC, PHY protocols and understanding of concepts such as Hybrid Beamforming, Massive MIMO, New Waveforms, LTE-NR interworking & co-existence, 5G Numerologies etc .nn nn
•    Experienced and fluent with 3GPP RAN product architecture, design, implementation and performance improvements (KPIs).

Good understanding of scheduler functionality is beneficial.nn nn
•    Experience with scripting languages and programming languages (C language) and mutli-core programming will be beneficial.nn nn
•    Experience with system engineering activities such as feature requirements identification, feature description documentation, parameter optimization, performance analysis, test strategy creation, problem troubleshooting is desirablenn nn
•    Thorough understanding of 3GPP specification for LTE/LTE-A/5G features and Protocols, experience with ongoing 3GPP Rel-15/16 activities is beneficialnn nn
•    Working knowledge of various RF antenna technologies & network optimizations.nn nn
•    Ability to travel sporadically during the projectnn nn
•    Excellent verbal and written communication skills to communicate key technical concepts within organization and in customer meetings is preferred.nn