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4G/5G Call Processing RAN Tier3 Engineer
Plano, TX
13-Months+
We are looking for a 4G/5G RAN Tier3 Engineer to join our Wireless network team. You will be a key contributor as a Tier3 Engineer in a multi-functional team of R&D, Systems engineering, and product validation to introduce products to Wireless Carrier.
MUST HAVE:
Main Responsibilities
Background/Experience required:
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Network Engineer 4
6625 Excellence Way Plano, TX 75023
Posted: 02/25/2022
2022-02-25
2022-06-23
Job Category: Engineering
Job Number: 11112
Job Description
4G/5G Call Processing RAN Tier3 Engineer
Plano, TX
13-Months+
We are looking for a 4G/5G RAN Tier3 Engineer to join our Wireless network team. You will be a key contributor as a Tier3 Engineer in a multi-functional team of R&D, Systems engineering, and product validation to introduce products to Wireless Carrier.
MUST HAVE:
- Years: 8-10 years of directly related experience is required.
- Top Three Must Have Skills: UE logs analysis, field issue debugging, LTE/5G
- Preferred skills: eNB logs analysis, KPI analysis, clear communication as role needs customer interaction.
- Education: Masters with 8+ years of experience is preferred
Main Responsibilities
- Responsible for troubleshooting and issue resolution in 4G and 5G products to ensure all customer tickets are addressed in pre-defined SLAs.
- Responsible for end-to-end performance assurance to ensure companys 4G and 5G products (DU, RU, CU and AU) are fully compliant with customers network design.
- 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.
- Issue resolution in multi-vendor deployment across numerous interfaces, including Open CPRI (ORAN), S1-MME and S1-U IOT with incumbent EPC vendors.
- Evaluate the network performance by trending and analyzing key KPIs.
- Responsible for troubleshooting and issue resolution in 4G and 5G products to ensure all customer tickets are addressed in pre-defined SLAs.
- Responsible for end-to-end performance assurance to ensure companys 4G and 5G products (DU, RU, CU and AU) are fully compliant with customers network design.
- 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.
- Issue resolution in multi-vendor deployment across numerous interfaces, including Open CPRI (ORAN), S1-MME and S1-U IOT with incumbent EPC vendors.
- Evaluate the network performance by trending and analyzing key KPIs.
- Conduct deep-dive customer sessions for RCA reviews.
- Collaborate with HQ development and other teams to ensure issue resolution, customer product requirements and/or performance compliance.
- Present technical and non-technical ideas in a logical, compelling manner in a written format and verbally in both small and large group settings.
- Responsible for leading all technical discussions on products/scheduler related features with several customer vertical organization including 4G/5G RAN Development groups and RAN performance groups.
- Author technical proposals, Technical research and white papers, Operator network design.
- Ensures that customer commitments are achieved according to plan.
Background/Experience required:
- Undergraduate Degree in engineering with 8-10 years of directly related experience is required. A Masters with 8+ years of experience is preferred
- 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 .
- Experienced and fluent with 3GPP RAN product architecture, design, implementation and performance improvements (KPIs). Good understanding of scheduler functionality is beneficial.
- Experience with scripting languages and programming languages (C language) and mutli-core programming will be beneficial.
- Experience with system engineering activities such as feature requirements identification, feature description documentation, parameter optimization, performance analysis, test strategy creation, problem troubleshooting is desirable
- Thorough understanding of 3GPP specification for LTE/LTE-A/5G features and Protocols, experience with ongoing 3GPP Rel-15/16 activities is beneficial
- Working knowledge of various RF antenna technologies & network optimizations.
- Ability to travel sporadically during the project
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