In the RF Development Unit, we aim to develop unbeatable RF products with a platform model to support quicker time to market of technology adoption with the lowest Total Cost of Ownership. Our team is RF Interfaces SW team which consists of almost 200 full time employees currently in Oulu, Wroclaw, Hangzhou. 
 
Interfaces is divided into two Key areas: 
Unit Operation and Maintenance (UOAM) 
Connectivity Control (CoCo) 
 
This particular position is related to Connectivity Control development. 
Connectivity Control's main scope of responsibility is to provide and maintain an optical connection between Radio Module and System Module, configuration of TCP/IP stack with security features, IQ data routing and clock source to the radio. 

Commercial experience with C++ 11/14Good knowledge of C++ STL libraryKnowledge about TCP/IP stack, especially the network interface layer and Internet layerBackground in embedded Linux (use of device drivers, cross-compilation, CLI)Knowledge about low-level HW interactions (HW interruptions handling, SPI/I2C bus communication, others)Experience with working with requirements/datasheetsKnowledge of good programming practices like SOLID, DRY and othersExperience with algorithm optimization, code profiling, static and dynamic code analysisExperience with unit testingExperience with version control systems (git)Analytical and problem-solving skillsGood communication in English (both written and spoken)

It would be nice if you also had:

Knowledge of C++ 17/20Knowledge about Boost libraryYOCTO, Cmake, GTest is an advantageExperience with security aspects: firewall, IPsec, MACsecFamiliarity with fiber-optic communicationFamiliarity with 5G, LTE, 3G and 3GPPDeveloping, implementing and maintaining software utilizing the latest software best practices Analyzing and solving complex engineering problems and hitches in the radio technologies area Occasionally creating and reviewing requirements for functional, design and interface specifications based on system and HW specifications Cooperating with project managers in planning activities