5G DU/CU Design & Development Engineering

仕事内容

Synergy Design is a Taiwan based company, provides professional and carrier grade 5G RAN solution to Telcom market. The Synergy’s RAN solution portfolio consists of aggregated as integrated gNB and disaggregated 5G RAN (O-CU, O-DU and O-RU), mainly on Small Cells (Outdoor and Indoor), Private Networks on both Sub-6GHz and mmWave frequencies. Synergy Design is now partnering with small cell equipment provider, system integrators, operators, private networks suppliers by offering commercialized, reliable and stable system.

Requirements:

• 5+ years of experience in 4G/5G RAN, with at least 3+ years in 5G gNB design & development
• Excellent understanding and insight in 3GPP 4G and 5G specifications (RAN)
• Working experience on the LTE/5G Radio L2 procedures including like Scheduler, Link Adaptation, UL Power Control, Packet Scheduler/5QI, UL SyncLoss, Data plane (RLC, SCTP), multi-antenna techniques - or / both - Working knowledge in two or more L3 layers including RRC, PDCP, eGTPU, NRUP, X2AP, F1AP, NGAP and 3GPP defined call flows like handovers, measurements, cross over & roll back scenarios
• Strong on experience in C and or C++ programming language
• Excellent debugging capabilities on x86 and/or ARM platforms
• Good understanding of usage of security procedures and algorithms
• Working experience in system integration of various components like CN, CU, DU and RU

Preferred:

• Awareness of RRM concepts to be able to derive FH impacts due to RRM features, e.g. TDD/FDD L1 frame structures, CoMP, Interference management
• Exposure to FAPI and nFAPI interfaces
• Working knowledge in Linux operating system environment including multi-threaded programming, atomic operations, core optimization, lockless Data structures and debugging tools like gdb, valgrind
• Good understanding in usage of DPDK and other fast path packet processing technologies
• Exposure to Agile methodologies in software development, Jenkins CI/CD and configuration management tools including Git, bitbucket
• Ability to drive/participate proactively in internal and customer facing meetings
• Deep knowledge of Telecom (IP, Broadband Access, SDN and NFV) and network management (OSS/BSS, TMF, NetConf/Yang) technologies is a must
• Experience developing data models and processes from requirements stage to detailed designs and guiding implementation teams

Qualifications:

• Ph.D/Masters / Bachelor in any discipline of Engineering (e.g., Computer Science)
• Must have experience related to the challenges with Network Management in production deployment.
• Strong communication skills, both written and verbal
• Ability to document system designs and requirements
• Well organized with a strong attention to detail
• Positive attitude and comfortable with a fluid and fast-moving environment
• Must be fluent in English (writing and speaking)

Responsibilities:

• Enhance O-DU & O-CU for the given product specification
• Develop nFAPI interface and integrating with L1 meeting the key KPIs
• Co-work with System Design team in design and development of the CoMP algorithm study, simulation, selection of the algo, implementation and characterization in a field setting, and ensuring the end-to-end performance goals (Throughput, Spectral Efficiency, Latency, Robustness, Reliability)
• Debug highly complex (SW and HW) issues in end-to-end deployment scenarios in development/lab/field testing conditions and improve the system performance

Work Location:

• Taiwan

What we offer:

• Best Lab Infra for RAN Products Development & Testing including creation of field deployment scenarios.
• Collaborate and Work with global eco-system partners.
• Flat organization culture and transparent/fast decision-making processes.
• Accommodation allowance

EEO/AAP

• All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability.

Other

• This position requires a criminal history background check. Only job-related convictions will be considered and will not automatically disqualify the applicant from employment. A drug screen will also be administered.