4G/5G Tier2 Network Support Engineer Ref# 599

Position Summary

4G/5G Tier2 Network Support Engineer

Making the future is everyday life at Samsung. We're seeking innovators who are called to not just change the world, but build a better one. We make the best technology hardware on the planet, but our best is always a prototype for something better and our people thrive with a driven mindset - better builds on better.

We are looking for a 4G LTE / 5G NR Tier 2 Network Support Engineer to join our Wireless Networks team. You will be a key contributor as being the technical interface to customer market teams. You will have your finger on the pulse of the entire customer network. You will monitor the network health, make improvement recommendations and repair the network. You represent Samsung when leading network outages in a multi-vendor environment.

Role and Responsibilities

Responsibilities:

• Provide in-depth technical log analysis, check network configuration, and support customer as needed
• Knowledgeable on 4G and/or 5G 3GPP technologies
• Be able to work in Samsung's System Integration lab, customer labs, and commercial networks for reproducing, troubleshooting and investigating poor performance related issues
• Strong on customer support as well as data analysis of logs and pcaps etc.
• Must be able to drive for resolutions with other Engineering team on an open ticket
• Provide 24/7 on-call support as needed for commercial Network outages and network performance issues. Also provide technical reviews and provide support to customers as needed
• Experience with wireless network architecture, protocols, RF optimization and standards
• Develop Root Cause Analysis (RCA) on outages or market performance issues (e.g., throughput, accessibility, sustainability, handovers (Intra/X2/S1), capacity and coverage
• Be able to review various Engineering MOPs and identify missing steps or issues if any
• Be able to proactively perform data audit, SW/FW audit, and health check of the OSS if needed
• Be able to collect logs and perform log analysis for discussions with Tier3 and HQ on various issues
• Resolve high severity issues (sev1 & sev2) to meet the agreed SLA requirements - 2nd level incident analysis
• Provide updates and resolutions on open tickets

Success Criteria:

• Able to provide SME level support to customer's engineering teams
• Able to handle outage situations seamlessly with customer and internal teams to drive resolution within SLA
• Need to have Excellent technical skills on Operating systems (Linux), Server configurations, Networking and have the aptitude to solve problems
• Key contributor in driving the technical solutions to customer through complex organizational dynamics

Other Skills:

• Familiar with RLC/MAC layer, different types of control channel and traffic channels, network access procedures, power control, handover algorithms, QoS types, TDD/FDD modes, HARQ/ARQ concepts, etc.
• Be able to develop tools and scripts to automate tasks on OSS and eNBs to aide with the investigation as needed

Skills and Experience:

• Bachelor's degree in EE/CS/TE is required. Master's degree is preferred
• Understanding of 3GPP systems: Core, vRAN & O-RAN networks, architecture and protocols is a must
• Minimum 3 years of troubleshooting experience in supporting 4G/5G RAN & O-RAN commercial network
• Knowledge of vRAN (vCU/vDU) & Network Function Virtualization (NFV)
• Fundamental understanding of Openstack/Kubernetes
• Must have troubleshooting experience using command-line tools, unix/linux, PERL or shell scripts
• Understanding of virtual switches, network connections, Virtual port types (ie: SR-IOV, VirtIO), Security Groups, VLANs and in configuring Storage such as SAN / NAS / iSCSI is preferred

Necessary Skills and Attributes:

• Demonstrated ability to interact at all levels within a customer's organization
• 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

Physical/Mental Demands:

• Work is generally performed in an office environment
• Operate a computer keyboard and view a video display terminal between more than 50% of work time, including prolonged periods of time
• Requires considerable work utilizing high visual acuity / detail, numeric / character distinction and moderate hand / finger dexterity
• The movement and transportation of equipment, most of the time is under 25 pounds
• Performs work under time schedules and stress which are normally periodic or cyclical, including time sensitive deadlines, intellectual challenges and project management deadlines
• Machines, tools, equipment, and work aids include PC's, printers, copiers, faxes and other equipment commonly associated with an office work area
• May require working additional hours beyond normal schedule
• Travel varies depending on position

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Skills and Qualifications

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