Software Developer – LTE/5G NR Protocol Stack Development

About the role:

We are looking for a highly motivated professional to join our wireless communications team on mission-critical Search & Rescue (S&R) solutions. This position focuses on the development, maintenance, and evolution of customized LTE/5G NR NodeB (eNodeB/gNodeB) protocol stack software, along with research and prototyping work.

What you'll do:

• Design, develop, and support LTE/5G NR air interface protocol stack components, including Layer 1 Control, MAC, RLC, PDCP, RRC & NAS;
• Work with customers, product management, and cross-functional teams to define requirements and deliver strong solutions;
• Contribute to software design, implementation, testing, integration, and release efforts;
• Review software architecture, spot opportunities for improvement, and lead performance and reliability enhancements;
• Carry out root cause analysis and resolve issues raised by customers, field deployments, and verification teams;
• Build Proof-of-Concepts (PoCs), prototypes, and technology demonstrators for new wireless features and concepts;
• Assess emerging 3GPP features and wireless technologies through feasibility studies and technical investigations;
• Prepare and maintain design, interface, and technical documentation;
• Coach team members and help advance engineering best practices and continuous improvement initiatives.

Qualifications:

• Bachelor's or Master's degree in Electronics, Telecommunications, Computer Science, or a related field;
• 8–10 years of experience in LTE and/or 5G NR protocol stack development;
• Strong expertise in one or more areas of LTE/NR Layer 1 Control, MAC, PDCP, RLC, RRC, NAS layers;
• Solid understanding of LTE and 5G NR 3GPP specifications and signalling procedures;
• Strong programming skills in C/C++ on embedded platforms;
• Experience with IPC mechanisms, multi-threading, debugging, and performance optimization;
• Strong design, troubleshooting, and problem-solving skills;
• Knowledge of Agile development, version control systems, testing methodologies, and software release processes;
• Ability to get security clearance.

Assets:

• Knowledge of LTE/NR PHY, UMTS, or GSM Access Stratum protocols;
• Experience with R&D projects, technology evaluation, and PoC development;
• Exposure to system integration, performance analysis, and carrier-grade wireless systems;
• Strong analytical and communication skills;
• Self-driven, innovative, and passionate about wireless technologies;
• Ability to work independently and effectively within cross-functional teams.

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