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4G/5G Air Interface and Call Processing Systems Engineer, Wireless Network

Richardson, TX 75082

Posted: 11/08/2018 Industry: Back-End Development / Programming Job Number: 7129

4G/5G Air Interface and Call Processing Systems Engineer, Wireless Network

Essential Duties and Responsibilities:
  • Responsible for development of product requirements, feature requirements, systems and performance analysis, conduct deep-dive customer sessions on 4G/5G air interface and call processing technology. Perform detailed analysis of 4G/5G protocols.
  • Analyzing the customer requirements, converting then into system requirements and capturing of detail design for the development team.
  • Aid in product & feature performance analysis, evaluation of new product & SW releases
  • Responsible for analyzing and troubleshooting issues reported from customer labs, field sites and production network.
  • Review and provide recommendations to improve RAN network performance by evaluating and trending key KPIs, performing trials and providing optimization guidelines.
  • Provides expert technical support in the pre-sales process and creates compelling technical and commercial solutions in order to help achieve the assigned sales goals and business objectives.

Success Criteria:

Technical Acumen
  • Subject Matter Expert in driving the technical solutions to customer through complex organizational and multicultural dynamics


Presentations Skills
  • Leveraging your ability to communicate effectively with all levels of organization as well as HQ partners on initiatives


Excellence Dealing with Ambiguity
  • Bringing your experience in problem solving and ability to navigate complex organizations with pivotal shifts


Background/Experience required:
  • Bachelor’ s Degree is EE/CS with 10-12 years of directly related experience is required. A Masters in EE/CS with 10+ years of experience is preferred
  • Experienced and fluent with 3GPP RAN product architecture, design, implementation and performance improvements (KPIs). Good understanding of EPC functionality is beneficial.
  • Thorough understanding of 3GPP specification for LTE and LTE-A features and  Protocols
  • Have a solid understanding of the end to end LTE Network Architecture.
  • Strong knowledge in 4G and 5G air interface and call processing technologies and network architecture specifically focused on Radio Access Network
  • Good understanding of overall Wireless systems with emphasis on PHY, MAC, RLC, RRC and PDCP layers
  • Good understanding of 5G concepts such as Hybrid Beamforming, Massive MIMO, LTE-NR interworking and co-existence, etc.
  • Good understanding of wireless network evolution, 3GPP & 3GPP2 standard activities and FCC spectrum allocations.
  • Working knowledge of various RF antenna technologies, M-MIMO, beamforming technologies & network optimizations.
  • Experience with SW development is beneficial
  • Understanding of HW as well as SW architecture
  • Ability to travel sporadically during the project


Necessary Skills and attributes:

The ability to plan, organize and prioritize multiple projects, sales and simultaneous performance objectives. Work independently in determining one’ s personal work schedule to be productive.  Work in a team environment, in order to achieve personal and team project milestones and to complete assignments within established time frames.   Accept tasks and problems/situations that differ, requiring creativity to search for optimal solutions, when only broad and general guidelines exist for solving problems.  The ability to utilize implied knowledge of task alternatives and to make spontaneous decisions using past experience and the guidance and/or successful experiences of others. Demonstrated ability to interact at multiple levels within customers organizations.   Negotiate with and convince others, in a potentially adversarial environment, including customer directors, managers and staff with opposing views to accept/approve plans, technical and project recommendations. Make professional technical sales presentations in writing, through email, reports, or orally, to an audience of high technical skills, management and operational experience. Ability to achieve results within established time frames and requirements.   Develop accurate proposals and designs to meet customer needs.


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. Consistently demonstrates a commitment to policies and procedures, including but not limited to, attendance, confidentiality, conflict of interest and ethical responsibilities.


Korynn Stark
Technical Recruiter

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