RAN Tier 3 Engineer
Samsung, United States
Job Description
Position Summary
For decades, Samsung has been leading the charge on innovation. We see beauty in achieving excellence and our passion for change fuels our discoveries, inventions, and breakthrough technology. We believe that technology can, and should, make the world a better place, so we create new possibilities for people everywhere, push the limits of what’s possible, and constantly innovate.
At Samsung Electronics America, we take pride in the creativity and diversity of our talented people – they are at the forefront of everything we do. Their skillset and mindset drive our continued success. Only the resilient and resourceful thrive in the daily dose of unexpected at Samsung. We unapologetically push to achieve unforeseen potential in everything we do, both within the workplace and at home. We fearlessly face challenges head-on, conquer the unconquerable, and are comfortable living in the uncomfortable zone. Together we make the impossible possible. Because at Samsung, we Own the Unknown.
Are you ready to #OwnTheUnknown? Join us.
Role and Responsibilities
If you have ambitions to be a part of a Best in Class organization, Samsung’s Wireless Networks team is the place to be! The role of the Wireless Networks Team is to support our carrier customers with innovative technology and market-leading products and solutions in areas like 5G. The dynamic culture at Samsung offers both great challenge and great reward. If you want to work among the very best talent in the industry, working on the most innovative products in the world, Samsung is the place to be.
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 Samsung products to Wireless Carrier.
Specific responsibilities include:
Responsible for troubleshooting and issue resolution in Samsung 4G and 5G products to ensure all customer tickets are addressed in pre-defined SLAs.
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.
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 Samsung 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.
Works closely with various support organizations, logistics, and cross-functional teams from SEA and Samsung HQ to achieve network performance.
Job Specification
Skills and Qualifications
Background & Competencies Required:
Undergraduate Degree in engineering with 6+ years of directly related experience is required.
Masters 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
Excellent verbal and written communication skills to communicate key technical concepts within organization and in customer meetings is preferred.
Necessary Skills and attributes:
Demonstrated ability to interact at all levels within customer's organizations. The ability to negotiate with and convince others, in a potentially adversarial environment, including customer leadership, directors and managers with opposing views to accept/approve plans, technical and project recommendations. The ability to plan, organize and prioritize multiple strategic programs and simultaneous performance objectives. The ability to write, read, interpret, explain and act based on a thorough understanding of technical documents, engineering materials and contracts or related documents. Ability to make professional sales and business presentations in writing, through email, reports, or orally, including complex business and technical matters to an audience of high technical skills, management and operational experience. Ability to support a cross-functional Samsung team to achieve customer contracted objectives and specific team goals within established time frames and requirements. Assist in and if needed direct the Samsung team in lab and field trials related to introduction of products sold to the customer.